2023 Silverado - Untold Issues / MPG / MODS / 3.0 Duramax Diesel

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2023 Silverado - Untold Issues / MPG / MODS / 3.0 Duramax Diesel

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Күн бұрын

3.0 Duramax Diesel Silverado and Sierra 1500 LM2 LZ0 - Rolled past 15,000 miles on the 2023 Silverado High Country with the LZ0 Duramax Diesel. A few hiccups along the way but this is my favorite truck out of all of them, so far. Special edits by Gavin, my son, otherwise known as "Flost" here on youtube.
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Пікірлер: 441

@cruze898 11 ай бұрын

I purchased the LT, 4x4, with Z71, 3.0 LZ0 in March. I do not tow., daily driver. Just now reading 10.000 miles. Def usage is not an issue with my truck. At about 7.500 miles I bought the Walmart box of def for about $10. It was reading about half full and that filled it back up. It’s at about 3/4 a tank now. So honestly no worries about def for this truck. Fuel mileage is around 25mpg all around. This truck is %100 stock. I changed the break in oil at 1.500 miles, again at 5.000, and just now at 10.000. Has not burned or used a drop of oil. Dipstick always shows in the full mark. I always fuel up at the same place. I do not use any fuel additives, and plan on changing fuel filter when needed. This truck is comfortable riding, easy to maintain, fun to drive, and fits the needs for me and my family. I plan on keeping it as long as there are no issues or problems. Would recommend to anyone looking at the 5.3, or even the 6.2. When late at night, and not using the air conditioning, Iam getting 30 + mpg on the highway. Pretty remarkable for a full size truck. So far, so good!

@michaelmcmillan2119 4 ай бұрын

I got 2023 rst 3.0 duramax having all kind of issues with Def changed the injector pump still giving problems I got 40k miles I love my truck but it's going back in the Chevrolet garage again last time they took it for em3 weeks

@billiemcfadden5808 3 ай бұрын

Ty!

@tommysiemienik7172 3 ай бұрын

@michaelmcmillan2119 ..... I have the same truck... 22" wheels 4 X 4... RST... Diesel... Pulled my Sea Hunt 229 Ultra to Florida from NC and it drank DEF like no tomorrow... Gave me false readings stating DEF tank was empty while it was 3/4's full or better... Definitely drinks DEF under tow versus while not in tow... Otherwise I love it... Dealer tell you something is wrong with your DEF readings... ??? While NOT IN TOW... My truck lasts multiple full diesel fill ups prior to having to add DEF... Great truck overall... I love how she drives and rides on highway... Super smooth with a powerful pull... !!!

@grouchosays Ай бұрын

Good report! Thanks

@grouchosays Ай бұрын

Good report. I’m old geezer looking at buying a Yukon. But I worry about the lifter problem. But Duramax seems like a pain to me. Heard about stalling, cranking etc. Do you think the lifter problem is a disqualification of the V8. Scares the hell out of me on a lonely road in the middle of nowhere.

@robertsimpson7113 10 ай бұрын

4 new trucks in 3 years. You will never encounter any real truck owner issues. You only just break them in at the most before you change them. Not an accurate appraisal of the equipment.

@DemonWorks 8 ай бұрын

I'm working on another one, you should check it out , before the new truck arrives !

@robbynelson3 6 ай бұрын

He is a GM technician. I'd say he sees problems everyday. It's how he makes a living.

@rdpillsforall6884 2 ай бұрын

@@robbynelson3but it’s pointless if he’s trying to inform us of the issues of the trucks gone before the problems arise.

@grouchosays Ай бұрын

True. BUT my takeaway is that even new ones are having major problems.

@jay-gx9uy 20 күн бұрын

@grouchosays what major issues? I still am not hearing about any MAJOR issues

@BigDogsGottaEat1 Жыл бұрын

I’m a Toyota guy but I love the option of an in-line 6 diesel. Well done on Chevy’s part.

@mrad.13 11 ай бұрын

The Tundra is nice. Just don't like that they are limited to a basic v8.. no HD

@kevind1865 11 ай бұрын

@@mrad.13 22+ Tundras have a turbo V6. No V8 option.

@mrad.13 11 ай бұрын

@kevind1865 even gayer.. im a GMC guy. My exwife had a 2021 lexus es. It was sharp but prior had a 2020 4runner.. it was tough but couldn't get out of its own way

@kevind1865 11 ай бұрын

@@mrad.13 Like are you saying that you're even gayer because you're a GMC guy?Kinda weird to be mixing that with what car you drive but you do you boo.

@mrad.13 11 ай бұрын

@@kevind1865 your gay

@khristofer1979 Жыл бұрын

I also use the fuelly app and i use it to track my def purchases and oil changes and any other truck related expenses. i love the fact that i can go on the app and instantly tell when i last put def in the truck. i usually put a 2.5 gal container in once every 3 to 4 months and almost always fill up when it reads half full

@hammer-r Жыл бұрын

Don’t worry about fuel mileage, at 60 mph, on a flat highway I was getting just over 40mpg in a 50 mile loop. Hardly worth trying to get more. Towing my 7000 lbs RV trailer (30 foot) I was getting between 12-15 mpg or about 50% higher than my Avalanche with the 5.3 V8.

@3.0dmax Жыл бұрын

I appreciate you keeping your window stickers for the year by year comparison. Gonna stick with my OG 2020 RST for most of the reasons you stated. It's still an awesome truck. Also really cool you're able to get issues on your personal trucks figured out with GM. It's dedicated guys like you that make these trucks better for all of us. I imagine finding that ground issue was quite an ordeal.

@DemonWorks Жыл бұрын

Thanks for the kind words ! The ground issue was ridiculous to find! It was so easy once seen and it came from a tip from another GM engineer that stepped in. They have seen it before... But that ground wasn't even part of the schematics for the current codes, go figure. Happy it's no longer coming back, that's for sure !

@minutemanmac 9 ай бұрын

167k on my 2020 3.0. Love it

@DemonWorks 9 ай бұрын

great to her !!! keep it going !

@grouchosays Ай бұрын

@@minutemanmac wow! Great

@maliburlxi5851 Жыл бұрын

I have a 2023 LTZ with the Max Tow and the 3.0. Its a bit of a unicorn. I love that the Max Tow on the LTZ came with the HD mirrors. You gain a big blind spot but for towing and backing they are awesome. You lose a little mpg with the Max Tow because you get a lower gear in the rear end. I avg 25 to 29 without a trailer and 13 to 15 with a 28' enclosed car trailer around 6500lbs. Although some mods drop temps on the trans the stock equipment does just fine. All parameters well within operating ranges for the oil and equipment. I have over 4000 miles towing in high heat and humidity. I did use 1 qt of oil in between the new and the 1st oil change. None on the second. Def useage at first lasted well over 3000 miles on a full tank without a trailer and dropped by 2/3rds with the trailer on. However, the DEF useage has been improving (going down) as more miles have been put on the truck. Engine is awesome. If it ends up being durable I honestly cant come up with a reason to get the 5.3 or the 6.2 in a halfton. Its velvety smooth and gets great mileage.

@gregoryf9299 10 ай бұрын

What I remember from the tech specs is max tow increases payload by 30lb I think? (Or decreases…either way it wasn’t much). 1650+ is still quite respectable. I think if you don’t get max tow, you can get the off-road packages. Odd you can get both with GM’s. Glad to hear it’s running well! 3L Duramax was my #2 choice for truck and still think highly of them.

@fliperz3777 Ай бұрын

82,000 miles on mine and loving it too, avg mpg over all combined 25.2, best empty 28.7 on a 400 mile trip..

@OnceUponATraveler 11 ай бұрын

For all those interior chrome pieces that blind you in the face when driving because the sun beams off of it. I took my truck to a vinyl wrap shop and had every chrome trim piece wrapped.

@xtra_9 Жыл бұрын

love my 23 at4. purchased in early december, had a couple non repeatable dtcs that 2 over the air updates corrected. 20,000 miles and my fuelly lifetime average is 25. 26 is standard when not towing. about to add the whole airflow / cooling ppe catalog to the truck when that intake pipe drops

@gascan_productions 10 ай бұрын

Super happy to see the second GEN in-line six killing it and I definitely think it will be my next track. Just traded out my 2010, Silverado 5.3

@daniejw Жыл бұрын

I absolutely hated the chrome in the center console of my Denali. Sun came right up under my sunglasses while driving.

@ErikBansberg Жыл бұрын

I've got the same on my RST.

@MachChicken Жыл бұрын

😂 I’m not alone! I’ve learned to drive with my hand on the arm rest blocking that stupid glare

@ErikBansberg Жыл бұрын

@@MachChicken We're all in this together and we feel your pain! I'm doing the same thing, or trying to put something over it all the time. The bowtie on the steering wheel does it less often, but still occasionally.

@mudslutmusic9052 Жыл бұрын

Same in my LTZ

@dlg5485 Жыл бұрын

This engine is perfect for my needs (on paper) and I want to order a loaded 3.0 duramax equipped RST double cab, but I am terrified of all the issues owners are reporting. I am not a patient man so I don't have the disposition to deal with a bunch of problems, especially since this would be my only vehicle. I worked at GM for 15 years so I'm well aware of their unfortunate quality failings. That said, I still want to give this LZ0 a chance because it really is a fantastic engine on paper. However, having driven Japanese vehicles exclusively for the last 12 years or so, I'm not use to dealing with a lot of quality problems. In fact, I've only had 1 warranty claim out of all the Japanese vehicles I've owned, a grill shutter fault on my 2017 Subaru. I desperately want GM to be better.

@RobVarley Жыл бұрын

I love this engine. I’ve been leasing f150’s with the 3.5L ecoboost for 10 years and am buying my next one. Since 21 the ecoboost is insanely reliable but like the rest of the gas engines it’s not great on fuel everyday or towing my holiday trailer. This engine speaks to me but I’m also scared of longevity and DEF related issues. Being a truck driver I know how much of a headache def can be. I have a 23 f150 platinum on order but am considering these. The 2 things holding me back is the DEF and that GM still uses metal panelling and after 10+ years will probably rust.

@dlg5485 Жыл бұрын

@@RobVarley Fortunately, the emissions system is one aspect of this engine that most experts believe GM got right. There have been no complaints from owners that I can find about emissions issues or any problems with the DEF system. I looked at the F150 2.7 ecoboost, which I think is the best engine they offer in the F150, but it's not quite powerful enough for my needs. I also share your concerns about rust.

@RobVarley Жыл бұрын

@@dlg5485 I’m sure it’s great in theory and would work in perfect conditions and if wiring doesn’t fail. There’s already known emissions wiring chaffing problems I found today. If I were leasing or planning on upgrading in a few years I’d definitely go this route. Since I put on low miles, 8000 a year, I’m buying my next one and keep or for a long time maybe the last truck I buy. I guess I have some def ptsd as well. My Peterbilt spent 2 years in the shop every 2-4 weeks for def sensors, wiring and various emissions codes. When they came out with the delete it was deleted. I haven’t had a problem since last November when it was done other than putting a new egr on 2 weeks ago. Cheers dude!

@RobVarley Жыл бұрын

@@dlg5485 haha bro I’ve been looking at them hard the last two days at work. The emissions seams pretty reliable and in 5-6 years there will be a delete for it. I’m going tomorrow to check one out in person. I say in an at4 today, it was unlocked at the dealer but they were closed lol I locked it when I left. Living the at4 and the new interior.

@dlg5485 Жыл бұрын

@@RobVarley Yeah, I'm excited about this engine too, but I'm trying to wait at least until next spring because I think prices will continue going down as interest rates keep going up. One thing is for sure, prices won't be going up any time soon, so it's worth waiting a bit, just in case better deals lie ahead. And I want to give GM a bit more time to refine this LZ0. I'll have to special order one too because there are very few loaded RST double cab 2024s out there, especially with the diesel. A longer bed is way more valuable to me than a huge back seat and the double cab is about $3000 cheaper. In any case, I don;t want to compromise on my configuration if I'm spending this kind of money.

@alexisflores6048 Жыл бұрын

Can’t wait for my idash mount to come in looks like they are 1-2 months out

@bryanparker513 Жыл бұрын

I'm happy to see that I'm not the only one with the chrome trim glare problem. I've gotten into the habit of resting my hand on the shifter and using my arm to cover it up on the way to work in the afternoons. Other than that, I've been pretty happy with my 2023 High Country LZ0. Fuel economy using Fuelly (22 fill-ups) is averaging 24.5 mpg. I too have the occasional radio glitch where it goes out for a second or two and then comes back and I really wish GM would figure out a new way to get HD Radio in these trucks. Other than some minor gripes (no mechanical issues, just peeves), it's been a great truck. I get in it, start it up and it just...goes.

@elks270 Жыл бұрын

Yeal, that radio is going to get worse. Had to replace mine. $660 Sanyo. Radio shop said Chevy keeps the bills paid there. They get one a day coming in with the radio going out. Hell I’ve had to replace my transmission at 104,000 miles and never hauled or pulled anything. Condenser and 5 thermostats as well. Take it back to the dealership and leave it. New transmission was $4500. Torque converter failure. GM knows about it but they haven’t fixed it yet. They’ve known about it since at least 2014. Watch and see.

@jonathancapellan 11 ай бұрын

an update just came out no more radio glitch !

@ivankorth4458 Жыл бұрын

Really wanted a diesel suburban, but all the little issues people have , has made me super happy to stay with my Lexus SUV , flawless not 1 issue after 17000 miles on my 23 GX

@aggoodin 10 ай бұрын

I have a 21 3.0 in a Sierra and it gets about 2000-2200 miles on 2.5 gallons of def. I've got 90,000 on it. Roughly the same usage.

@fixitdanner Жыл бұрын

I wrapped the trim with glare in headlight tint works great. Great video

@craighoffman6876 8 ай бұрын

A friend has the 1st gen 3.0 in a Sierra, it has been a wonderful truck for him over the 75K miles he's had it so far. The I6 engine is so smooth, efficient and torquey and the 10 speed transmission is great. I own a '17 Canyon with the 2.8 diesel and it is quite "reasonable" on DEF, getting around 900+ MPG. On the other hand, the 2.8 runs a metric sh%t ton of EGR to lower NOx emissions. The 2.8's heavy EGR dose really soots up the intake, oil and motor in general unless it is turned off via aftermarket tuning, which we can't do anymore thanks to the EPA. The 2.8's fuel economy goes up about 10% if EGR is turned off via tuning, with all emissions systems still intact. Interestingly, the 3.0 gets about the same fuel economy in a much larger and heavier vehicle as a stock 2.8 does in a much smaller and lighter Colorado or Canyon. How does GM get such good fuel economy from the 3.0? I bet GM lowered the EGR dosing on the 3.0 a lot compared to the 2.8, and as a result the 3.0 has significantly hotter, cleaner and more efficient combustion. The tradeoff is the 3.0 has to run more DEF to deal with the increased NOx output from the hotter / cleaner burn. I prefer the less EGR and more DEF approach, as less EGR leads to a far cleaner engine, less soot burden on the DPF, and better fuel economy while still meeting emissions requirements. Of course the best thing would be no EGR at all and reasonable DEF use to lower NOx to attainable targets in diesels, but the government won't allow that, so people tune them or fully delete the problem prone emissions equipment from their trucks. The overall effect is probably more pollution than we would have if the standards were reasonably attainable to begin with. It is my understanding the ECM on the 3.0 is quite "tune proof" though. I also haven't heard much about the 3.0 having emissions system problems like the older diesels, again this can be explained by it using less EGR. EGR is bad, very bad 😆 Given the emissions constraints it has to operate under, it seems the 3.0 really is the best that can be done, at a cost of more DEF use.

@grouchosays Ай бұрын

What’s EGR

@craighoffman6876 Ай бұрын

@@grouchosays Exhaust gas recirculation. The purpose of it in both gas and diesel engines is to reduce combustion temperature, which reduces nitrogen oxide output. NOx acts to form "smog".

@grouchosays Ай бұрын

@@craighoffman6876 you know what you’re talking about. I don’t. I’m a 73 year old guy who wants a ‘25 Yukon. But I am learning about the lifter problem and I’m glad I am because I just don’t want a catastrophe. So I would prefer a V8. But I have been scared away from one. Then I started learning about the Duramax. Sounds like a great engine. But now I am reading about EGR, DEF, stalling, cranking, emissions etc. I truly don’t know what the heck to do. Then I started to look at Nissan Infinity like the luxury model X60 which is luxury Pathfinder as an alternative. You have any advice for a geezer? Thanks

@craighoffman6876 Ай бұрын

@@grouchosays The problem with the Internet is it tends to make things seem worse than they are. People with issues speak up 😆 As I mentioned in the prior post, I have a friend with the 3.0 diesel in his Silverado, another just bought a Sierra AT4 with the 3.0 as well. The AT4 is still pretty new, but the Sierra guy has pretty good miles on his, a lot of them towing his 5,000 pound trailer. His truck has been flawless and it really is a pleasure to drive and tow with. The 3.0 diesel has got some balls for sure, with lots of low down torque and if ya dig into the pedal it revs hard and really goes. I'm in Colorado and having a turbo is nice due to the elevation. The latest 3.0s have steel pistons, which a sweet upgrade over aluminum. To be honest, trucks with the 3.0 diesel are a bit out of my price range. I mentioned my '17 Canyon with the 2.8 4 cylinder diesel, it has been flawless over 80K miles, but there are lots of reports of emissions and even more serious issues online. I love my truck, but I'd avoid the "red headed stepchild" VM Motori designed 2.8 diesel. It was a great engine until GM bastardized it for America and pushed it out the door with really shitty engine and transmission tuning. My 2.8 is transformed with a Green Diesel Engineering engine and transmission tune package, but there goes the warranty. I'm at 80K miles now so it would be out of 5 year 60K warranty anyway.. I mention all this as GM did a much better job on the 3.0, which they developed in house and obviously put a lot of effort into. Have seen tear down videos of 3.0s with miles on 'em and they are remarkably clean inside. I do wish GM hadn't gone with a belt driven oil pump, and the thermostat system is stupidly complicated and apparently trouble prone on occasion. Other than those two things I really like the 3.0's design, especially the latests "LZ0" with it's steel pistons and other meaningful updates. It does have a 5 year 100K warranty on it. If my Canyon ever has a major engine malfunction I plan to get a nice simple recently refreshed and good enough for my purposes Nissan Frontier with it's naturally aspirated 3.8 V6 in a crew cab long box configuration. Fingers crossed, because I love my Canyon. The low down diesel grunt is nice, it sounds cool and it is averaging 28.2 MPG lifetime on the computer, about 7% optimistic, or a bit over 26 MPG actual, which is still awesome for a 4,500 pound 4 wheel drive truck.

@grouchosays Ай бұрын

@@craighoffman6876 Thanks for this thorough report

@user-nc8db1of2q 8 ай бұрын

For the blinding chrome inside, you can wrap with vinyl , this is what my husband did to ours.

@DemonWorks 8 ай бұрын

Appreciate that !

@hjmoto 8 ай бұрын

First off, this is a nice looking truck! May be too expensive for my taste. People who earn 250K plus a year, it shouldn't be a problem for them. But for myself and my wife being at 115k a year together, these trucks are like trying to buy a brand new E class Mercedes! I was a Chevy/GMC person. But that changed after 2019. GM is having too many issues with these trucks. Very disappointing in their quality and probably they want it that way to keep customers coming back to the service department and trading in early. LOL! Who knows! But we now have a 21' Titan and never, let me say it again, never had an issue in the 22K miles we have on it so far. So take that for what it's worth.

@DemonWorks 8 ай бұрын

Awesome to hear about the Titan performing well!

@johnstjean1422 7 ай бұрын

The only way to get these trucks is to wait a few year and get them second hand. Just got my high country a truck I always wanted but couldn’t afford a 70,000 plus. But got it this year at 30,000 at 130,000 km in Canada

@patrickjansen6541 8 ай бұрын

I get around 38 mpg during the summer... i also run hot shot fuel additive... towing 26mpg high way ... average in town 28 ... truck is stock ... mine dont use much def at all ...truck is a 2023 ... very happy with it

@grouchosays Ай бұрын

Incredible report! Scares the hell out of me. I’m 73.

@DemonWorks Ай бұрын

Happy to help !

@benjaminhurst8207 10 ай бұрын

Love mine, first diesal I’ve owned 3 Silverado. Definitely didn’t realize how much def fluid it would use. I don’t remember as a younger person riding in my dads trucks him ever having too constantly carry def around lol.

@michaelr8426 10 ай бұрын

Mine uses very little def normally, but when towing it increases quite a bit. Your dad's truck probably didn't use def. As a truck driver for 42 years it's a fairly recent thing. I believe it started around 2010

@grouchosays Ай бұрын

@@benjaminhurst8207 no EPA

@sca415 11 ай бұрын

2010 Tundra and I never had a check engine light either, runs like the day I bought it new

@DemonWorks 11 ай бұрын

That’s great to hear! Thanks for sharing !

@BSO_Actual Жыл бұрын

You arent kidding about the radio issues. Theyve reprogrammed mine a couple times and several factory resets. Cuts out all the damn time and is super slow

@scottsummers9359 11 ай бұрын

The glare is funny! I keep getting hit by the Duramax emblem.

@Juha-oz3mh 10 ай бұрын

That's is impressive 9.8L/km. I had a montenero sport with a 2.5L turbo diesel engine and it did around 8.5L/km.

@PeterMSr 6 ай бұрын

I got 9.0 l/100km average on my 2021 lm2 duramax. Drove over 1000km road trip.

@lewiswatchorn7239 Жыл бұрын

Greg, first off, nice work on the videos. I think they help the rest of use owners understand our vehicles better. As I’ve mentioned in previous comments to other videos, I’m not sure why you had to install a larger transmission cooler to get to a higher running temp than my AT4 gets to stock (194), maybe I got lucky? I also regularly get 26+mpg. You and Tim both got the max tow package, what’s the GCWR on your truck? Mine and all other non-max tow trucks I’ve seen have it set at 15,000, no matter the payload, it would seem foolish to have a 12,000lb tow rating and a 15,000lb GCWR. If your GCWR is higher, what options specifically allow the increase? Is it just the rear axle and slightly stiffer rear springs?

@billiemcfadden5808 3 ай бұрын

Following ... Errr, maybe I'll copy/paste to try for an answer. Great GCWR question..

@andrecaramez 6 ай бұрын

The waze and music setup you mentioned you dont like how the maps dont take up the full screen. this is an apple car play limitation because i have the same truck but i use android and if you click on the waze icon twice it will pop up on full screen.

@user-oz3nt3kr2j Жыл бұрын

When i was in Wyoming the glare off the trim under the radio was horrible. I just grabbed it and it popped right off.

@kaivonmortazavi8656 Жыл бұрын

I like most viewers really enjoy and appreciate your candid, honest reviews and value your opinion. So given everything (DEF, MPG, etc etc) if you had the option now would you buy the LM2 or the LZO. Im trying to decide on getting an 2024 Tahoe or now having to wait and hope for a refresh in 2025 (if it comes and if the LZ0 is offered)…..not taking into consideration the annual price creep or jump?

@DemonWorks 11 ай бұрын

If priced the same, I would take the LZ0 every single time. If a couple thousand difference, would still take the LZ0. If the price difference was $4000+, that's where I would really ahve a hard time deciding. The LZ0 has numerous upgrades for greater durability (it appears, time will tell) but the LM2 was an excellent start for the platform and would not hesitate to own one again.

@grouchosays Ай бұрын

@@kaivonmortazavi8656 what did you decide to do? I’m wanting a Tahoe/Yukon but can’t risk V8 cause of lifter problems. So I’m thinking of ‘25 LZ0

@josephraney9319 Жыл бұрын

The sun definitely reflects off everything in mine. But I'm getting the whole truck, including the windshield tinted in ceramic. I'm hoping that will reduce some of the chrome glare.

@stevanrozic4638 8 ай бұрын

It costs $2900.00 to do the the oil pump belt plus the timming chain is in the back of the engine.

@DemonWorks 8 ай бұрын

who keeps a vehicle beyond 200,000 miles anymore anyway ?!?!

@stevanrozic4638 8 ай бұрын

@@DemonWorks People with no money

@CrustyAbsconder 8 ай бұрын

Having the engine out of the truck allows the owner to easily replace everything but the block.

@mattm1686 3 ай бұрын

Have a 2016 Silverado 1500 with wheelchair accessibility conversion Goldwing door lowered floor on passenger side so I don’t expect good fuel mileage the 5.3 L V8 on 2 inch blocks with 35 inch tires and get 13 miles to the gallon lol!

@Steve-kx6hd Жыл бұрын

Great review again.

@DemonWorks Жыл бұрын

I appreciate that !

@fishhunt9874 11 ай бұрын

Very informative. Just a tip while backing. Tilt your side mirrors down so you can see your tires. No more hitting curbs and you can follow parking lines along with using the built in cameras 👍🏼

@The_GreenMachine 8 ай бұрын

bought my silverado 1500 duramax end of 2022 november and love it!! ive had check engine light on for some NOx sensor that would go away within a day, havent seen it since that one time though. also every time i turn the truck on and start driving ill lose audio for a second or two about 2-4 times. its weird, itll cut out all audio (radio, turn signal, etc) but only for that 1-2 seconds, but multiple times only within the first 1min of the truck turning on. not sure what causes that. over the last year ive averaged 26.3 mpg, with my best tank being 29.2 mpg and worst being 23.6 mpg! DEF ill need to refill every 4-6k miles as well depending on what im doing, and i have ~18k miles on it now.

@johnbest5074 Ай бұрын

Sounds like a ground problem, from this , novice

@The_GreenMachine 25 күн бұрын

@@johnbest5074 is there places I can check for loose connectors? Or just look at every harness connection make sure it's secure and check the battery terminations?

@waynecrider9460 10 ай бұрын

I have one of these but am rsti also have 16ki get about 3/5 more miles per gallon while on sport mode.i have went on 350 mile trips with a high as 30.9mpg for the full trip but most the time is almost 29mpg.mine uses a jug of def every 2000 miles

@mattdagger1480 Жыл бұрын

Love that my 21 LT Silverado has 1972lbs of payload!

@Viizueth Жыл бұрын

love the editor lol

@mrad.13 11 ай бұрын

I thought the multi purpose tailgate was dumb till i got my 2021 gmc

@scottloy89 2 ай бұрын

Put carbon fiber overlay on that silver strop on the console. I've been debating on it too for my '24.

@dlg5485 Жыл бұрын

My guess is that the emission haven't really changed at all over the years. I suspect GM was just making overly optimistic claims initially and they have correct their claims in subsequent years.

@czealtamahawk1228 9 ай бұрын

See how much you're gonna love your truck when the oil pump fails and you have to wait months for the part to come. 😅😂

@DemonWorks 9 ай бұрын

Someone really hurt you, didn’t they? You’ll pull through. Hang in there.

@ChevyLee86 Жыл бұрын

Thanks for the info.

@DemonWorks Жыл бұрын

You bet!

@XxMarc909xX Жыл бұрын

Can you show us where the ground was loose so that we can all check ours please and thanks

@JesseLJohnson 11 ай бұрын

I have a pearl white Denali Ultimate with the LZO. I like the color but not sure I would have picked it if I ordered the truck or there was more than 1 truck to pick from when I bought it lol. The flies love the color. Constantly having to clean the fly puke or shit whatever it is off it. I have a white 3/4 ton and Suburban and they like those too but nothing like the pearl white its like a magnet lol.

@DemonWorks 11 ай бұрын

I agree !!!!

@stephanematis 9 ай бұрын

Thank you, I was wondering why folks talk about 3.73 and I cannot find the option on the builder. I would love to know what that is all about, no parts is odd.

@bret9741 9 ай бұрын

Great looking truck.

@DellsLiveSteamers 5 ай бұрын

GM just issued a recall on the exact tailgate problem you experienced.

@Unbleachd 11 ай бұрын

the connector for the exhaust differential sensor connector rh side by the cowl have issues I've had a few trucks with egr problems and all needed a new connector. if you ever pass thru Price come see us at the GM store

@DemonWorks 11 ай бұрын

I did a few of those early on but since you bring it up, I actually haven't seen any in quite a while ! Will stop by if I have some time in Price! thanks for the comment!

@Unbleachd 11 ай бұрын

@@DemonWorks oh damn didn’t realize you work for a dealership too

@7171-Ws6 Жыл бұрын

Very informative. Thanks

@DemonWorks Жыл бұрын

Thank you !

@ZmannR2 Жыл бұрын

Mine doesn’t drink def that much. And I find if I leave it off tow haul mode when towing. It doesn’t even drink def then either.

@bradbucklin2692 4 ай бұрын

Great informative video👍🏼👍🏼

@wd9581 Жыл бұрын

I've used roughly 2/3 of the DEF tank for 5,100 miles.

@billiemcfadden5808 3 ай бұрын

I keep reading these 2 very polarized comments re DEF usage. It's driving me nuts wanting to understand why some sip and some chug, regardless of trim, towing, daily or leadfoot...

@daniejw Жыл бұрын

Some power steps would really make your truck look sick!

@DemonWorks Жыл бұрын

I agree! I'm just too cheap to buy those at the moment.

@slingerriggin5226 10 ай бұрын

My 2020 Rebel diesel on 33” tires gets 28mpg highway 22 around town.

@DemonWorks 10 ай бұрын

That's some great mileage!

@isaiah2622 2 ай бұрын

The multi flex isn't available with getting the automatic tailgate to close right back up right? I've seen videos with the multiflex HighCountry not having that?

@DemonWorks 2 ай бұрын

correct, one or the other.

@michaelbrown47 Жыл бұрын

Do you think the max tow with the 3.73 decreased your fuel mileage? I know with a gasoline engine. The higher cruising RPM’s decrease hi-way milage, especially at speeds faster then the speed limit. I am not familiar with the 3.0 duramax. Love your videos 👍🏻 i have almost watched everyone, you sold me on the 3.0.

@nickschaps4022 Жыл бұрын

A 3.73 will absolutely decrease MPG compared to 3.11 it brings up rpm’s on the highway by 200.

@Lefishn Жыл бұрын

Going to lower gearing in any truck will use more fuel. If you want max MPG stay with 3.23 gears but if you are towing heavier loads all the time go 3.42 and if you only tow 90-100% of the time max loads go 3.73 but without a load will really affect MPG

@theodorgiosan2570 11 ай бұрын

It really doesn't affect it that bad on the 3.0. It's a much higher RPM engine than for example a 6.6. 200 RPM doesn't make that big of a difference especially when peak torque is way up at 2750 RPM.

@rock-uu7qr 10 ай бұрын

@@theodorgiosan2570it still makes 430lbs of torque at 1600 rpms

@yvgyvhihvhkbvi9ygb78 11 ай бұрын

I have a 2021 1500 Duramax. At 18k mil replace transmission. 20k mil replace DPF system. Since then almost every month at the dealership because the check engine light is on. Most unreliable truck that I ever purchased.

@DemonWorks 11 ай бұрын

sounds like you got a bad one, surprised you didn't go with a buy back on it with so many issues.

@michaelcady1945 11 күн бұрын

Definitely sounds like a lemon. It’s unfortunate for you man. Apart from yours being an actual lemon, they’ve improved dramatically since 21, and most people have no issues

@bradbucklin2692 4 ай бұрын

Just picked up a 22 3.0 AT4 fully loaded with the big screen and in the desert sand color 6” lift with 37s I’m obsessed with the truck but the fuel mileage is horrible 11-14 city and only 16-17 highway That’s hurts a lot because I traded my 19 Colorado ZR2 with 2.8 and my fuel mileage was insane 30-44+ on the highway (all stock) I tow an 18ft trailer and was expecting to get better fuel mileage towing with the AT4 then I did towing with the ZR2 but the ZR2 towing gets the same mileage the AT4 gets empty Sooooo yeah Not to happy about that But the truck is so damn beautiful

@jimlong4259 11 ай бұрын

Just double touch your waze icon and it will stretch the map all the way across. At least google does.

@DemonWorks 11 ай бұрын

Google maps is the only one full screen, currently. For Apple.

@patriotcanuck6485 6 ай бұрын

I can't believe you can't roll the windows up via remote. It would be a great thing to have if it starts raining and your windows are down

@Grunnsetning 2 ай бұрын

I know in gmc they say I can't get the ultimate tow package in an AT4 or Denali because the suspension is different. How is this not the case with the high country? That's the highest trim level for Chevrolet isn't it?

@friederz2346 11 ай бұрын

Just traded out my pro Tacoma for the diesel. Same price much more nice😊

@DemonWorks 11 ай бұрын

Good choice!

@andrewelder4679 10 ай бұрын

Can you post the location of the ground for your 4x4 issues? Would love to look at mine. After I watched your video I noticed mine doing it out if the blue. Also have issues with my camera system on the fritz. Thank you

@DemonWorks 10 ай бұрын

I show it in good detail here: kzfaq.info/get/bejne/frKYpNqJxJmmqX0.html

@IsaacLop2011 Жыл бұрын

Have a 22.5 LTZ 6.2 and really wanted the 3.0, but there were none available at the time (January 2022 )with everything I wanted so I “settled” for the 6.2 cause I worked a decent deal before these rebates became available again. Fuel economy I knew would be terrible but just casual driving I’m averaging 13-14 on a 2 inch level. Texas premium is over $4 and I’m curious as to your thoughts, would you make a move to find a 3.0? NEVER tow but a truck is a must and is our weekend warrior. Just curious on your thoughts. What’s your average tank range?

@DemonWorks Жыл бұрын

I’d keep the 6.2 just because the cost to swap will likely be high. I am 550-600 per tank, going off my memory but I show the Fuelly app from my phone in this video and it shows every single time I filled up with the mikeage do you can see exact numbers there.

@IsaacLop2011 Жыл бұрын

@@DemonWorks thanks for the feedback, yeah you’re more than likely right about the cost to swap but man is it disheartening when I see the range these get compared to my 250-300 haha. At least she’s quick!

@JesseLJohnson 11 ай бұрын

I get about 600 miles per tank with my Denali Ultimate. They have a pretty small tank too think its 22 gallon something like that. When I bought it nearly every truck had the LZ0 on the lot. At least the nicer trim trucks. All the Denali, and AT4 every one of them was an LZ0. The Ultimate I got at the time was the only one I saw online within 100 miles of where I live. They said they had a couple others come in but every other one they had was already spoken for. I saw shortly after the other 2 GMC dealers we have in town had one come in too and one was a 6.2 but they both had I think $10k tacked on to the MSRP so they can keep them. I got mine for $4k under MSRP and that was including sales tax and everything. The one dealer also had a Yukon XL Denali Ultimate I was interested in to replace my 19 Suburban but they wanted $113k for it when the same truck is like $98-100k anywhere else. Its shown on their site for like 3 months now so I guess nobody else is interested in paying $13k more than anybody else is charging for them.

@lowermichigan4437 Жыл бұрын

Have a 3L LZ0. Love driving it. 5 CELs in 6000 miles. That pisses me off.

@Lefishn Жыл бұрын

CELs??????

@StephenPaul1160 Жыл бұрын

@@LefishnCheck Engine Light

@grouchosays Ай бұрын

@@lowermichigan4437 what was the problem

@TonkaFire2019 Жыл бұрын

If only the dpf deletes were out for this I’d go back to it

@slickcasner4205 Жыл бұрын

Dpf sucks yes. But this truck does not have the exhaust filters or burn box like the other diesels.

@thajuice0 Жыл бұрын

@@slickcasner4205what do you mean? It has DPF..

@slickcasner4205 Жыл бұрын

@@thajuice0 sorry DEF diesel exhaust fluid

@marksman4004 Жыл бұрын

I'm going to get them ZR-2 rims for my 2014. I've been wanting them since they came out. By the way, I like that Friday the 13th part 7 ringtone you got there 17:32. 🤣🤣

@GIGABACHI 8 ай бұрын

Your transmission cooler circuit probably has a "built in-line" thermostat that will NEVER let your ATF go under a preset temperature. Look at your ATF cooler lines and you'll probably see what I'm talking about. I know for a fact that RAM trucks, Chargers and Challengeers have it.

@DemonWorks 8 ай бұрын

correct, there is a thermostatic valve in there, I have a few videos on it.

@EReed-qg8lt Ай бұрын

I put new trans pan, trans bypass and trans cooler. It dropped my trans temp from normal 198 to 140 ish towing a bassboat 75 mph in 100 degree weather. When not towing its between 120 and 130. My issue is I have a NO START situation in my 2023 LZO. then after 15/20 minutes, it starts. I heard a lot of people have the issue, trying to find the fix. HELP NEEDED

@kevin-taber Жыл бұрын

I for one wish my screen was entirely used by car play…hopefully an update can change that

@DemonWorks Жыл бұрын

It is rumored to be coming

@kevin-taber Жыл бұрын

@@DemonWorks Great! Thanks for the info

@patriotcanuck6485 6 ай бұрын

I like that the HVAC controls are not on the screen, that is such a stupid and dangerous idea.

@chrishackworthy8252 8 ай бұрын

This video makes me absolutely Not want one of these trucks

@michaelacree1951 Жыл бұрын

GPS goes full,screen on my GMC. Push right side on gps screen and a arrow pops up. Push arrow and full screen. It huge.

@DemonWorks Жыл бұрын

From my experience, just for google maps, but for android I hear you get full screen for waze. Not yet released for apple.

@user-ej1dp6gx9g 9 ай бұрын

Think gm just came out with an updated thermal bypass valve that may drop trans temp.

@DemonWorks 9 ай бұрын

I like the sound of that, i am unaware. What makes you think they came out with an updated bypass valve?

@user-ej1dp6gx9g 9 ай бұрын

@@DemonWorks work at gm dealership

@DemonWorks 9 ай бұрын

@@user-ej1dp6gx9g Same, but I still don't see a lower temp bypass valve. Do you have a part number or document number?

@infamous7561 10 ай бұрын

I bought an RST two months ago 5300 miles and my EGR failed. a week for the dealership to get it fix. I'm thinking to trade this with Tundra 2023. I need a reliable Truck. 5300 miles is too low for a complete EGR failure.

@DemonWorks 10 ай бұрын

could have just needed the reprogram that all 23 LZ0n trucks needed... or just a part failure, stuff happens. Good luck on the truck ! hope it works out.

@GoogleDoesEvil 7 ай бұрын

You're going to be sorely disappointed with the new Tundra. A lot of people are having issues with the turbo on them.

@bryane2857 Жыл бұрын

My friend has the newer truck with the tailgate without a mechanized opener. It freezes in the winter and he can't open it.

@DemonWorks Жыл бұрын

I had that on my previous truck and didn't have the same issue. That sucks for his :-(

@92226 11 ай бұрын

Price a timing belt replacement. It’s on the back of the engine and it’s a $8000.00 job at the dealer… the cab has to come off to replace a timing belt. Great idea Chevy! I sold mine for a Tundra… I didn’t know it was a timing belt diesel or I wouldn’t have bought it! Good luck all who have one..

@DemonWorks 11 ай бұрын

Timing chain or oil pump belt ?

@JesseLJohnson 11 ай бұрын

That isn't a timing belt and its good for 200k miles. Not much of an issue when I literally have never kept a truck long enough to get anywhere near those miles.

@rogerlopez1745 7 ай бұрын

😂 is really easy to do the shop I work we do them for $2500, by the way my boss bought a 2023 tundra hybrid V6 and it only gets 21 mpg he regrets not getting one of this for half the price, I bought my 2021 gets 34, ,mpg in highway and 26 combined bought it for 43.5k out the door zero mileage

@michaelcady1945 11 күн бұрын

8k is a rip off man. Every where you look, you can expect no more than 3k for the job. And in all sincerity, this day and age, it’s becoming rarer and rarer to find anyone keeping their vehicles past 200k miles.

@greg9337 11 ай бұрын

Do you think the long bed affects MPGs over the short bed given there is extra weight? Regarding only the LM2 platform.

@DemonWorks 11 ай бұрын

I don’t think so, but would need to compare the mpg numbers on the window stickers.

@antonioramos1636 Жыл бұрын

Great video, You mentioned that you can put the gear in the transmission o. The IDash ,you can help me how to put it since I can't find it in my IDash or can you make a video about you IDash an setups, Thanks

@mastermechanic1154 Жыл бұрын

What’s the difference between a max tow package and none. Looking into getting one, mainly towing around a 4 seat Rzr and car hauler around. I live in north Texas OKC area and there’s a little bit of hilly areas. Definitely interested in the 3.0/10speed setup.

@DemonWorks Жыл бұрын

mainly it's the 3.73 gears vs the 3.23 gears in the regular. I think you will be perfectly fine with either!

@JesseLJohnson 11 ай бұрын

@@DemonWorks Doesn't the max tow come with a bigger tranny cooler too and leaf springs and shocks? I wish I could have got the 3.73 gears with my truck but I got an Ultimate so its 3.23 or nothing. Not sure it really matters as much with the 10 speed though.

@ToddRAdams1 11 ай бұрын

I have a 2023 High Country 3.0 Duramax (LZO)...just hit 20K miles. pulled my first small 18' camper/trailer and was blowing through DEF. Found out it was going to the 65mph warning at half the DEF tank. I would put 1-2 gals in and it would show 7/8 full (never full, even when it just started to spill out the first time I went to fill.) What is the issue? Tech issue? DEF tank indicator (mech.) issue? Just annoying to have to fill 2 gals of DEF every 300-400 miles. Could it be from towing and having in tow haul mode? This is my first Diesel, so I'm not familiar with DEF and issues that can arise from normal driving to towing, etc...Thanks for any ideas, answers and solutions.

@matthewrodriguezalonso7246 2 ай бұрын

Hey I got a 24 just want to make sure your truck pumps at the end when turning it off. I’m new to diesel trucks mine does I’m not sure if it’s supposed to. I’m assuming it’s a def pump.

@michaelcady1945 11 күн бұрын

I will say this. I drive a concrete truck, and obviously not the same, but every time I’m loaded, I’m weighing 85k lbs. I run about 6 loads a day, and use about half a tank of def every 4 days or so. I was impressed to find out the duramax doesn’t need def for 3-4k miles when not towing. To me that’s impresssive. I think it’s all about perception. I would just deal with it. On the bright side, when warranty is gone just get it deleted.

@MattChat56 7 ай бұрын

Question: I can’t find this truck with 3.73 gears anywhere in Texas. However, I don’t have a camper and only rent one about every two years. Is it necessary to special order one with the 3.73 gears or would I be fine with the 3.23 gears? I really want the fuel economy of the 3.0 duramax and the 3.23 gives me significantly more options.

@lenurban199 Жыл бұрын

I've had one issue with mine so far. The left front daytime running lamp has gone out and then my left turn signal will not work. It's happened a couple of times, but both times it fixed itself. You mentioned a loose ground wire on yours...where exactly was that? I'd like to check if mine is loose. Is the ground wire that was loose attached to the front of the engine block on the passenger side?

@midas7934 Жыл бұрын

Wasnt there an update that addressed that issue? I swear on the last update it said there was a bug where there was a DRL and turn signal issue for some users, i didnt have it myself. Although i do have an issue with the audio cutting out and the music time still plays, they still didnt fix that one.

@lenurban199 Жыл бұрын

Not aware of any updates for the turn signal issue, but I'll check with the dealer on that. It seems to fix itself by restarting the engine. Had it happen yesterday again. Haven't had the radio issue yet. I hope they get these electronic issues fixed.

@sutoritokingu Жыл бұрын

you get any buzzing or rattling from the exhaust valve located right by the def tank?

@DemonWorks Жыл бұрын

Sure do !

@sutoritokingu Жыл бұрын

If you ever find a solution please let me know 😂

@robbynelson3 6 ай бұрын

Mine is same as yours. Started leaking transmission fluid at 500 miles. Pretty upset.

@DemonWorks 6 ай бұрын

leaking from the trans cooler lines?

@robbynelson3 6 ай бұрын

@@DemonWorks I think it's the propeller shaft front slip yoke. There is a service bulletin out on it. Dealer said week to get the part.

@robbynelson3 6 ай бұрын

Also mine is LT trim 2wd.

@fernandobarragan3330 10 ай бұрын

How is the oil consumption on your truck? I have a 2023 High Country same as yours and mine it is consuming 2 quarts of oil in 5000 miles.

@DemonWorks 10 ай бұрын

none... 20k miles in.

@grouchosays Ай бұрын

@@fernandobarragan3330 damn

@BM-cz1xb Жыл бұрын

A lot of people with this engine say they use a lot of oil between changes. Does yours ?

@DemonWorks Жыл бұрын

I wouldn’t say a lot of people are using oil, seems to be a couple on the internet… that being says, during break in, yes, but after that I gave not used any. Including while towing.

@user-cd3hv2hz8f 6 ай бұрын

Ford has the windows all go up if you hold lock

@ricardocarranza9269 Жыл бұрын

If I’m not mistaken Gm trucks with the usb tail pipes have the off-road package which isn’t available with the max tow package.

@DemonWorks Жыл бұрын

There are many options with the bumper exhaust.

@user-hu7xz1hv5t 9 ай бұрын

Do you get the AC issue with your truck?

@kevin-taber Жыл бұрын

Had a 2016 2500 HD with white paint that flaked off on the rear doors by the windows…super common issue and annoying. Happened around 75-100k miles. My 2023 1500 duramax has less than 10k miles and several paint chips on the hood. Absolutely infuriating.

@JesseLJohnson 11 ай бұрын

White paint in general is an issue no matter what the MFG vehicle white has adhesion issues.

@brandonrobishaw7606 9 ай бұрын

Dude Camara is all over the place on the window stickers

@DemonWorks 9 ай бұрын

Sorry you were displeased with the couple seconds of window sticker footage. I encourage you to click the “pause” button on the area you want to look closer at.

@brandonrobishaw7606 9 ай бұрын

Thanks Good content