I realize these videos are from several years back. But I sure do appreciate them!

I appreciate how clean and organized you were. I think my truck is having the same problem and the mechanic is trying to sell me a new engine for $2800. Now I have a better idea of what I am facing. Thumbs up at 667

Informative and to the point. I always learn something when I watch your videos. Thank you!

thank you for mentioning cam motion I looked them up & made my order cant wait to see how she preforms once all done..

Hey, thanks for such interesting and clarifying video about the whole process. God bless brother!!!!

Very Interesting, Thanks for the Clear Description of what you thought it was and what it actually was. I always enjoy watching your videos, They are educational. Thanks.

My 2015 6.2 Silverado LTZ lifters on cylinders 4 and 7 just collapsed 117k miles. Sounded like a bad ujoint to me. Anyhow dealer wanted 8k dollars to put afm lifters back in. I'm doing a full afm delete myself for less than 2k bucks. BTR cam, ls7 style lifters all gaskets. Refreshing the heads too , like yours the cylinder wall look good , but on DI engines carbon builds up on intake valves , so will be cleaning them and new valve stem seals too. Will be watching your progress. 👍👍

Great video showing it to my High School Automotive class good job.

Same issue just recently happened to my 08 Chevy Suburban 5.3 L. but on 6 cylinder intake lifter. It collapsed and caused that same looking scrape on the cam. I'm in process of doing same type of work. Thanks for the video.

I'm not surprised about the condition of your your cylinders. High nickel block, forged piston with a chrome ring. Plenty of miles left on yours. The camshaft, not surprised either. You can chase theories around the beer keg all night if you want. I assure you not the first trashed camshaft I've ever seen. I have, literally, piles of used-up roller cams and lifter assemblies. Bottom line is it needs replaced. Nice video. Well thought out and informative.

Dang D-Ray thats alot of work! Should be a new truck by the time you get done. I hope I never have that kind of problems. Sounds like a $2000 fix for me. I can do small stuff but thats waaay out of my league. At least your doing the smart way replacing everything while it is tore down. Was glad to see you posted a new video, kinda missing your "how to" stuff. I learn alot from watching you. Thanks for all your videos.

Thanks for the video and explaining things simply without a bunch of rambling on about why this and why that, etc..

thanks for sharing this video I have the same problem with my 2002 cadillac escalade 6.0L

Great vid. You should do more of them.

Love yours videos. You are working on my brothers blue 98 Suzuki king quad 300

Geez all that work because of a little old lifter roller , unbelievable ! Sure wish you did a video on the reassemble..thanks

great video.thanks

Could the reason for this happening be because of the Advanced Fuel Management System? I've seen on some KZfaq videos that switching back and forth from 8 cylinder to 4 cylinder will eventually cause this kind of problem.

awesome channel subscribed!

Super explanation thanks

These are the videos I like.

Hey D-Ray, I'm about to do the same job on a 2007 5.3L with a ticking lifter. Like you I'm installing a slight cam upgrade as well. How did this turn out? Are you happy with the truck? Thanks.

What a shame, it was doing so well :-( Im not into american truck models but from the outside i thought it looked new, you must have really taken care of it, the bores looked perfect, as you said the oil trap cross hatching is still fine :-) Im sure you will make it purr again, perhaps better :-)) Hope you and your family have a loverly christmas :-)), and a well behaving engine for the new year :D

I'm about to have to do the exact same thing to my 2010 Silverado with the 5.3. When you pulled the heads did you have to resurface them or mill them or get them inspected for "flatness" on the mating surface? Or did you bolt them right back in? Thanks

these video is awesome 💡👍

Hey D-Ray, I got the same problem with mine, but it's a 5.3. Curious on the part 2 vid, How's your truck running now after the fix?

my Ford 6.2 did this also. pitting on the cams and the roller lifters. It happened at 417000 miles. I was using mobile one at the time.

Did you have any waving/wondering or gradual motions of oil pressure on the gauge? Like pressure sitting normal at hot idle then starts wandering down low towards 20psi then waves back up normal, may also bounce up much higher towards 60 or 80psi for a split second.

nice video. A couple of questions: 1. What if someone were to do nothing in this situation. How long do you suppose it would take before the cylinder failed completely? 2. What would it be like if only the lifter was replaced, and not the camshaft? 3. My truck, 2006, only has about 150,000 miles. Seems like short mileage for lifter failure. Are the performance differences between roller lifters and the older hydraulic lifters substantial enough to justify the risks of this failure. This is a common failure, I'm finding out, and you installed 16 new lifters, the odds of another roller failure might not be favorable.

how do you like that custom grind cam? I work at a gm dealer and have seen this not only on LS engines but other engines with roller lifters as well. Usually only 1 lifter and does ruin cam. Funny thing is when gm changed from flat tappet to roller tappet it was supposed to fix all those issues. Good videos keep em coming

Wow that is some great work your doing. Basically is going to be a rebuilt engine after that.

Sorry to hear you had to tare into your brand new truck (I consider it new). Looks like a real involved project especially discharging the A/C and all. It's probably a good thing you notice the problem when you did or you would be replacing the whole block.

How did the cam from cam motion work for you ? I'm only asking bc I'm shopping around for a cam for my 5.3 . I agree w you about the after market cams that are Available ... i contacted cam motion , VERY helpful people there .. and they are competitive in pricing as well .

sir, where it mess thank God you can do pu it back that engine to you self, here in Tennessee it will cost a lotta money to do that, I would buy in other truck but I have to say you're very good

Whoa, sorry to hear about that. Also sorry to hear my wife's Suburban could suffer the same fate. Will be watching for part 2.

I'm thinking I'm just having a lifter stick it just does the noise when colder out and makes the noise the first 10 miles or so then stops. I'm guessing I will be able to see if there is cam issues once I pull the lifters out.

Also, those exhaust manifold bolts are notorious for breaking off, I'm going to build a vortec soon and install stainless studs and bolts on the exhaust manifolds.

Did you ever put it back together?

My 5.3 had the same oil pump problem your had. I had that replaced....But now its knocking... Do you think these issues are related? I'm pretty sure I have a pitted up lifter like yours. ty Brian

Quick question. I had the exact same problem start on mine today. It'll be a week and a half before i can get back to my hometown mechanic and about 1500 miles of driving in between. Any thoughts on risking it?

dude! wow you really got that thing apart.

Good video, Although to remove broken exhaust bolts its much easier to weld a nut directly over top of the broken stud

I'm still waiting for part two! Lol

new video sweet,you got anymore repaire videos coming now?

I know this is an older video but I just tore my 07 Yukon engine down and my #7 lifter has the same damage on it. I did replace the lifters on that side and new gaskets and put back together and still knocking. So gonna replace Cam, all lifters, and the vlom. The lifter manifold.

Hey Ray, Nice video, lifter had pitting and stuck, ruining the cam shaft ok, do you know why it happened, what cause the lifters stuck? doing all these nice job replacing cam shaft, lifters but can you tell me what is the root of the problem?..

I know this video was a while ago, but I just ran into this problem on my 2000 5.3 suburban with about 180k. Do you have any pointers for doing this. Also the prices are probably different now but how much did everything run you and where'd you get them from

What you are going to run into soon is low oil pressure. What happens is the rubber o-ring dries out in the oil pump where the oil pickup goes in. Instead of just using the o-ring, I cleaned off the joint real good and used a little silicone too. Whats even better is to use JB weld because it will never suck air again and cause low oil pressure. This 50 cent o-ring is responsible for a lot of motors having lifter noise and destroying motors.

So what oil were you running on the old cam? Looks like quite allot of wear.

What brand and kind of oil you been using in that motor? Thanks.

What ever became of this did everything work out and run right?

that lifter on number 5 looks like a leper con sitting on a log where it got damaged lol

You don't have to take the heads off to change the cam on a LS because of the keepers, which is cool. You do have to take them off to replace the lifters, which isn't.

What do you think causes these cam and lifter problems? Obviously you take great care of your truck, so it is not lack of oil changes. Is it just a defect? Our family owns 3 cars with the LS engines, Sierra, Yukon, and a Monte Carlo.

Hope you get all right by April !

Did you finish it yet?

My teacher explained it to me as the way gm grinds there cams is its a long duration and then they slam the valve shut because they have to meet emissions. When you slam the valve shut the lifters bounce up and down on the cam and flat spots on the rollers and cam occur. All ls motors have this problem and comp cams makes a kit that will fix this for good.

Why not reuse the head bolts? Is it because of fatigue due to the heat..? Just wondering.. Thanks .. Your videos are all great !! The 3 wheeler video got me hooked on your channel.. Your an awesome mechanic!

going to have to do the same thing on my 2001 gmc very soon. sucks big time

2:09 were those metal shavings above the piston?!

Is it possible to lose oil pressure due to this

your engine is a lq4 not a ly6 both are 364 cubic inches both are 4in bores both are cast iron blocks but ly6 has square port heads

what oil was used up to 115,000mi?

Ray that's a lot of work, wow , not everybody can do that. I imagine a dealer would throw another new engine in. I've been lucky with my 2002 6 litre hd only put new intake gaskets on it this fall. Runs great at 267 k. I also have a Ford , runs good but I would have to say I would buy another Chev before the Ford. How about you Ray is it a Ford next time ? :)

how can you grind the valves without touching the seat

How did the new cam and lifter change work out? You go with a bigger cam or same?

Well it's been over two years, how about that follow up video?

I need some advice. I have a 2007 Avalanche with 115K miles. Got stabililink and traction control lights combined with a bad miss. Code reader says misfire on #7. I suppose there could be a bad lifter and/or cam or AFM cylinder deactivation solenoid. I fear that it's going to end up being an engine teardown. If so, I think I would prefer putting it back together with regular roller lifters and simply chuck the cylinder deactivation system altogether. I also pull a boat. Other than having to fork out large bills for the parts and the actual work involved in tearing it down, what sort of drama should I expect? How difficult is it to convert an LS from AFM to all cylinders, all the time? What about reflashing the ECM to work without AFM? Do you happen to have any contact info for the cam guy in Louisiana? Thank you in advance.

Cant believe its been over a year since a how to video.

eiger 400 on the lift ?

Sure looks a lot different than the old small-block Chevy engines. Hate to think what this would cost at a dealer shop. $$$$$$$$$$!!!!!!

320k on my 06 2500HD 6.0 and still going.

do you think this may have happened when you lost oil pressure for that short amount of time?

What happened to part 2, I need to do the same to my 2007 escalade.

I have a few lobes with pitting, with my Accord having 170k miles I’m not too worried it should make it to 250k

its june when a new video

He will keep buying GM. Some kind of sick brand loyalty.

why do you need new bilts and cant re use the old ones

this kind of failure just over a 100K? GM quality?

How much for that custom cam

is that a common problem for gm?

Wow... I would have pulled that engine and done it right... I bet the main and rod bearings looked all scratched up... Just looking at that cam you can see where the bearings journals are all scratched up... Metal went all through that engine... Is it still running...

the lifter spun in the plastic tray

one more thing, not a particular of any make, but had an f150 I finally sold with 268K on it. never any major shit like this go wrong with it

If you love your car. The best decision is t change the engine. I have the same problem . l have the 03 Chevy Tahoe. You can still drive this car but it is not going be smooth. And not going be good on the gas. Doing this kind of job to the engine will not be the same as before every thing will be aftermarket.. The high mileage will have this problem

Ls engine design makes it just rockers come off rotate camshaft which will oush lifters into buckets and stick them allowing removal and reinstall cam Only he as ds come off if doing lifters

Oh, those 2007 6.0 cams. LOL

Should go ahead and change oil pump too

Just wondering did you replace lifters ? I have done several of these and this is the first I have had a problem. I didn't replace lifters.I swear the book did not used to say you had to. Maybe that's why they changed it.

I have 2007 silverado 5.3 my mechanic wants $3600 to replace cam shaft, oil pump, lifters, . I installed new plugs, spark plugs wires, ignition coil. Hope someone out there will tell me if that's a reasonable price. Thanks!

how were the cam bearings

Chevrolet doesn't mean quality now days, with the ever increasing amount of recalls and pending lawsuits against them, it seams as though they are more worried about profit than quality. No more GM products for this family.

install a 4.8L camshaft and new lifters, re-flash ecm to eliminate cylinder cancellation crap. Typical sub par metallurgy from GM

yikes !!!

Why the hell would you try to drill them out lay a nut over the top weld it hit it with an impact they come right out the world will not stick to the aluminum I do it both in vehicle and if the heads are removed

must be an oiling problem on these engines

Those cross hatch marks will still be there at 300k miles

OH! BTW get rid of the CASTECH crap cylinder heads. Prone to leaking coolant in oil.......

Geeze what a project for a low miles engine. It is a shame many of these LS motors don't hold up well. I am looking at this project as well. 2009 5.3 AFM occasional warm engine lifter tick. Comes and goes. I suspect a bad AFM lifter. I just ordered this Range Technology Active Fuel Management Disable Device www.amazon.com/Range-Technology-Active-Management-Disable/dp/B00BR1R8N8/ref=cm_cd_ql_qh_dp_t . Will see what happens. Great video!

Follow-up video, as promised: kzfaq.info/get/bejne/nZ6DbKWfy7DTpas.html