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Please ditch the music. There were times when his voice volume dropped and then muddled with the low music. It really isn't necessary to have music. Other than that, I thank you for the information that you provided

In '84 I bought a Supra. The diff was noisy but the dealer said not to worry. 205,000 miles later when I sold it, the diff was still noisy.

this was an exceptional video. very informative. thanks a lot.

Finally a good video by 1a auto! Two thumbs ups!! lol

Speak up or turn the music off

That video actually is the first one of its type that I have seen and that actually explains the problem of clunking or diff noise and gives a detailed explanation of the solution... I hope these things would apply also to the old audi a4 quattro rear differentials. Many thanks

My crown vic is having what appears to be a similar problem. Glad I found this video.

Very informative video. Thanks!

I am extremely impressed with the level of his expertise. I wish he was who I took any and all of my repairs. What a rockstar

Excellent video! Maybe the best I’ve seen on the topic.

Good video and your mechanic did a great job. Nice to see younger kids in the business.

Superb job to thumbs up for that mechanic in his great great work.

Yes Finally a video describes the noise I’m having in my jeep ..thanks

His description of when this pickup makes it's "Noises" & how it sounds as well is nearly match to what I've got with my 2002 Toyota Tundra. Unfortunately, Tundra's have no removeable rear cover to check anything. Since the rear differential & axels are all within a housings & can only be serviced by unbolting the axel coverings (I think, it's been awhile since I really looked at all of it) it's a monumental undertaking to do any work on any part of what's back there. I believe the mechanic I had "Look & Listen" to it came to the conclusion that it's axel bearing was the problem, but learned it was "PROPIETARY" to my pickup from some information (rather obscure information) he found somewhere. If anyone could direct me to an "OBSCURE SOURCE OF INFORMATION" regarding an odd size of the rollers/balls used in the rear end axel bearing/s in a 2002 Toyota Tundra, it would be greatly appreciated.

Dial indicator - There’s a way better dial indicator than the one you were using to check the backlash. You get a lot of cosine error using the method you were using. Like .008 actual measurement shows up like .012 on the dial. Basically it is easy to have things too tight. You should be set up parallel to centreline, square to the tooth centreline for accurate measurement. Pattern - If your pattern is good on the drive side your backlash will be right and the coast side will be exactly where it is machined to be. You can move the contact point around but you can’t change the drive-coast relationship. It’s how they are ground.

Put new set of gears in my GM 10 bolt notice during the break in it makes a slightly sound when slightly on the gas , Did the backlash to specs any idea ,And BTW what brand gears did you use ?

I love you videos that very helpful thanks!

Thank you for your video. Would you be able to guide me with this issue I'm having. I have a 05 chevy tahoe, 3.42 gears. GU6,G80. lately when I turn in either direction at a slow speeds, my rear wheels start to lock up and drag as if I was braking but I'm not. I am also starting to hear a growl when coming to slow stop. Any idea on what can be causing this issue and how to remedy. It's my daily driver and need it back on the road. I am also running 37" tires. Your input or advice will be greatly appreciated. Thank you

Good video. Thank you.

Andy you need to do more of these. But I'd like to see you do more stuff in 2500s 3500s

Hello guys I just had a over a year old 2019 small compact suv. And it’s been. Rear ended last year. I bought it new last January and I been rear ended. March 2019. They fixed it and now the noise come. At the rear Thank you

I have a 2007 Chevy Avalanche, and the noise I hear coming from the rear of the truck sounded like the Sway Bar Links were dry, so I went and purchased a hand held Grease Gun from Harbor Freight and added grease, but that did not eliminate the noise. I then raised the rear of the vehicle and shook the tire, and discovered there was "in and out" movement of more than 10 thousands of a inch. Is this a Bearing problem, or something more??

Great video!!! THXS👍

great. answered my questions on why I have dif noise

Good video

Good job on the video very explanatory thank you.

excellent vid. TY

Hi bro thaks the vidio. I have same same problemer. Vito 113 cdi 2.1 2010. Loud soud when i Change the 2 gear. Please help.thanks

My 02' Blazer ZR2 w/ a G80 Locker in the rearend was making a whining sound at 25mph & faster. Found out it's my Pinion Bearing going out, even though everything is tight & no leaking. No clunking, etc. Just a whine. I'll turn the radio up a little louder lol

Excellent video - well detailed too. Thank you.

I hear a noise only when decelerating and a lot of fluid leak from the pinion side what could this be

Thank You! Answer my question.

This just might be my issue. Would you know how much for the repair? ~GREAT Vid

You'll get a better pattern if you push the ring gear against the pinion. Easier to do than turning the pinion and produces a nice pattern since you're pushing against the pinons gear preload.

You're very good at your job

Outstanding

Great video. What's a job like that cost? Thank you, John

I have an 02 ram 1500 with 3.92 gears... just completely replaced the rear end as the old one got ran dry and i drove the truck till it imploded.. it seized and ended up taking out my driveshaft, gas tank, overdrive housing on my 46re trans, exhaust, etc. Bought all the parts and rebuilt the truck myself for about 1300$ but would have easily cost 5000$ in parts/labour at a shop. Long story short if you hear alot of noise coming from your rear end stop driving you'll save alot of money in the long run lol

I got a 4x4, does it on deceleration, but sounds like in front. Would this be same issues but just in the front differential? How would you check front one, sme way as the things you're doing for this rear diff? Im just trying to figure out few things before i start repairing whatever is making my noise on deceleration. Thanks!

Thank you

I’ve just picked up a brand new MY20 Tiguan Allspace (Tiguan in US) and on the day of pickup I noticed a noise that sounded like an old air conditioner’s refrigerating system kicking in when accelerating gradually through D1-D3 initially and now all up to D7 as long as it’s at around 2000rpm so engine noise can’t mask the noise. The noise is not intrusive and my passengers don’t notice it at all. It’s my first 4 Motion VW with Haldex system and on courtesy call salesman at VW dealership tells me it’s probably “the humming noise from 4 Motion rear diff”. I haven’t had it checked by the service department yet but I’ve only had the car for a few days and it has 330km on it at the moment. Is this type of noise that you’d get from the bad ring and pinion or carrier bearings?

But how do you adjust the backlash? shimming of the bearings?

My rear end makes noise after eating Mexican food. Sounds like air escaping, just changed out my diff. and now the noise is fixed. Thanks man

Always by good plan with very law cost could rectify problem

How long should I drive it to let the new differential additive oil get in there well?

Can you make a video on the bearing near the wheel? I think I have that problem on my jeep xj

I bought a 97 F150 in late 96. It was perfect until a recall and the dealer said they knocked the weight off the driveshaft and had to replace it. After that I had a roaring noise from the rear and took it back. They said it was the Firestone tires and I would have to take it to them. About that time I got a company car and almost never drove my truck. I just lived with the noise for years when I did. Finally had the tires replaced and the noise remained. 97,000 miles later it’s still there. Truck runs great but I can’t find anyone who can tell me what’s causing the noise.

Is that backlash play suppose to be the same for most vehicles?

On a 4x4, if my noise does it in 4hi, would that mean it's NOT the front diff? Could i rule out the front one? Im having hard time telling if sound it's making(on deceleration only), is in the front or back. Any help is appreciated! Thx

I'm having my rear differential repaired tomorrow. I drive a 2017 Infiniti QX30. It had 10,800 miles on it when I bought it in July of 2020 and now has only 25,500 miles. Despite the low mileage, I started getting a whine about a month ago, had it looked at last week, and was told the rear differential is "shot". I didn't buy that for a second, so I'm bringing to AAMCO Transmission, who thinks it will probably need minor repairs considering the mild symptoms and low mileage. I guess I'm the culprit for never having changed the differential fluid, but I had no idea it was a maintenance item. I'm 65 years old, have been driving various makes and models of cars for 50 years, and never changed the differential fluid and never had a problem. I wonder how much time it took for this guy to fix this one.

Hi mine is rumbling quite a bit, is it ok to drive for a while till I can fit it in at the garage in about a weeks time? As I need it for work

SUPER VIDEO. A RARE VIDEO ANDY IS A SUPER TEACHER.

My rear was making similar noise and an oil change solved the problem. I was on a road trip and didn't own a dial indicator thus didn't measure backlash.

Mines sounds like metal clanking when I accelerate but I can’t tell if it’s the front or back one and if it’s not a axle or not

Hi, Question: I am traveling and near Saint Augustine, Florida, do you know who rebuilds re-ends in this area, or how to find some one honest and qualified? My front seal just blew out. Need to decide if I fix or crap the van.

He is troubleshooting like a pro, just saying, it does not get done better than this.

Where can I find your services in Malawi?

I have a 09 GMC Sierra 2500 gas and I’m at 150k miles. Doing the exact same thing as this ford I can feather the throttle and it’ll make a winding howling noise. Basically only under load but once I let off it goes away. But after watching this video it’s basically everything in the rear end is done for I guess. How bad is it to keep driving it as it is?

Good deal

Any idea much and where can I shop 2018 Nissan Pathfinder Platinum Differential... ?

I need a GMC Yukon rear diff asap like now you said click the link for parts but I don’t see any contact information

I bought a front drive shaft for my 2006 Yukon from you guys and the boot already blew is that covered under a warranty

Hi I’m looking at a 2007 Yukon Denali he says there’s a brand new engine in a newer transmission that was installed. He said the rear end is jumpy and thinks the rear differential is going bad. Not exactly sure what that means?

Very informative video! You definitely have thorough knowledge of your craft. I was trying to find out the possible cause of much body noise in the rear of my 2002 nissan pathfinder. Can you help me with a solution to end the annoying noise?

very informative video for a moment I thought you was Matthew Lillard

good

How much does a rebuild job cost on average? Am trying to decide whether to fix or scrap my 91 G-20 van.

I'm struggling here. Need your advice. My wife has a Kia sorento, 2WD, 180,000 miles. Never, ever any problem. No roar, whine, or anything. Problem. We had both my grown grandsons riding in rear seat, hit a bump, sounded like the rear bumpstops bottomed out. All was well, still no obvious problem. The next day, as we were taking my grandsons home, we drove 68 miles, 2 lane and a few miles interstate. When I got to our exit, we completed the turn, no problem, but as I pulled away from the traffic light, one helluva vibration, throughout the car. Sounded like we were traveling on the "rumble strip" on the side of the highway. By this time, I'm creeping, thinking we had a flat tire. Car would quiten down, then start shuttering again. We were just creepin. I thought I may have a bad rotor, replaced front rotors, pads on all four wheels, checked for bad spots on tires, which are new. I checked the driveshaft as well as I could, no "slop in the driveshaft, no "pop" shifting from park to drive or reverse. I even replaced the font wheel speed sensor/ ABS sensors, even though I had no code. Scanned it, no codes were stored at all. Pulled the ABS fuse, got a code, replace it, code cleared. Had to have it hauled home on a rollback wrecker. it is undriveable. My next, and last guess would be something in the rear diff. Nothing I have done has made any change. I respect your opinion, of course, I've never set one up before, so I'll have to take it to the dealer. What do you think, my friend?

How do you adjust the backlash ??

Got my rear diff done by a local highly recommended shop with lower gears and a trutrac installed, makes a howl on decel at 40-45 brought it back says it’s no big deal and such they put some Lucas in and was quiet for a month or two and it’s back been like that for two years hasn’t gotten worse but sure is annoying

when should you change the differential fluid

do you have a video on how to remove everything

So would just replacing diff fluid get rid of the clunking noise?

If I have a scrape marks from the pinion gear on my differential housing will it be pinion gear or differential that’s bad?

Is it ok to use a lighter rear differential full synthetic oil 70w-90 from oem 70w-140 on my 2015 Ford F-150. I don’t tow and just use my truck for commute and minor diy project at home. Thanks

I just put in a new ring and pinion. New bearings as well. Backlash is good but I m getting a howling noise on acceleration. Any thoughts.

my 1997 expedition is making a grinding noise near the right rear. but usually only when im turning. when i push on the brakes it stops. i was told it has something to do with the emergency brake. could this be true?

I get some noise from my Honda crv rd1, but it's differential looks different from the one you are handling

How much does it cost for a job on a Nissan frontier v6 XE cost? Any help would be great

Hello I’m hearing a wine from my 2017 scatpack challenger when I step on the gas not sure what the problem could be when I let go of the gas pedal it goes away ?

So basically what this is telling me is.. if I don't want to spend several hundred dollars for parts, and several hundred dollars in tools, less a whole day of work and a machinist degree in mechanics, then it is just easier to get a $250 junkyard rear end and be done with it. Sometimes you got to know when to hold them, and know when to fold them.

Did you replace the pinion, as well as the ring gear? and did you use the same shim on the pinon?

Been driving mine 2 months dry. Straight toasted.! Buy another at junkyard. Haha

What was the sound it was making?? A thump?? And did the sound appear when coming to a complete stop like a lunge forward type of feeling??

I'm having issues with my 2013 BMW M5. We changed out both axles but now I'm getting noise in the back when I'm accelerating and getting a drive train malfunction. Any ideas ?

I have rear end clicking, during turns when engaged in 4x4 :/ mechanic cant figure it out, when its in 2x2 no issues when turning or driving, but when i engage 4x4 it has clicking sounds, any idea? There,were some damage to the side of the tire before, but axle is not bent and passed alignment no issues?.... any clues? Thanku in advance!

I heard you replaced the ring gear. Did the pinion gear require changing with it?

My 2012 mustang V6 is making noise in the rear end and it’s also leaking oil. The noise it makes is like it’s grinding against something and like a roaring noise as well. How do I fix this and how much will it cost me to fix this? I was told to not drive my car until I fix it. Where should I go and what should I do? Someone please help and give me some ideas. Can I do this job myself?

What would be causing a shutter when (slowly) accelerateing from a stop? It's worst when making a right hand turn.

I drive a 2009 Mitsubishi outlander. I’m noticing a squealing noise coming from the back end thinking it was my brakes only to be told they didn’t even know what it was but it was not my brakes. I know nothing about mechanics so I look it up myself it was between an axle and a wheel bearing. Looking over the information I believe it’s something to do with the wheel bearing. I see my mechanic on Monday the 28th, for an oil change I plan to bring this to his attention he’s supposed to be the guy to know what’s wrong because even they have had this vehicle three times and said three times they could not find a problem I said it’s because it’s in your garage you’re not the one driving it you’re not the one hearing it even though I took a video of the noise they still don’t know what it is.?! They sprayed the break pads thinking this might be the cure, it was OK for a while but it started up again making that noise. When I’m pulling out of my garage I can hear it when I’m driving off I can hear it when I’m going through drive-through I can hear it but when I’m going faster it’s always gone. My Ford Taurus I took it through the car wash and I would have this horrible squealing noise overtime it got better but having had this vehicle for 6 yrs I am a second owner of it in the beginning I never had this problem it’s only in the last year this started. I took it to a Mitsubishi dealer and they’re saying it’s an axle problem but when I look up the information the axle doesn’t seem like it is it has to be a wheel bearing issue.

How much does the labor cost for that?

i have like this problem when i turning left or right some noise happening is that also differential? w205 RWD

I have a BMW 530 I have a rear differential humming sound not like this exactly, it's smooth but annoying Is it really dangerous ?? Can I drive for a long trip ? Is it just a sound or should I fix it soon ?? It will cost me 3000$

What is a rough estimate (price) on what you just worked on

How about a brand new carrier assembly with nearly zero backlash and failed bearings?

I had a scraping sound in my 1999 Cherokee Limited and felt a clunk, when I pulled over to find out where the clunk came from I couldn’t find the source and when I put it in drive it made a loud grinding sound and wouldn’t move even any other gear I have it in except for park. Would I have a bad differential?

My 2009 F150 rear differential only makes noise on real light acceleration under load meaning if I have it on the list I want to hear the noise at all not sure what it could be

Excellent information but PLEASE learn to control the audio levels when editing your videos. The voice level was so low I had to crank my volume just to hear him speaking and then at 5:53 your logo transition comes in and was loud enough to wake the neighbors! How did this get past your editor? Wow! I'm not hatin - I swear. I loved the video. Your videos are always very informative and extremely helpful. I'm just trying to help. Unless it was just me.... Anybody else lose an eardrum at 5:53?

My 2006 Dodge Ram 1500 is making this noise when I start accelerate slowly and when I get to 50 mph it gets faster. I either have a bad differential problem or it would be the back bearings. I got the two front wheel bearings done while back.