Question about 2000 Chevrolet Silverado 1500

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Differential noise when gear is place. in reverse or drive.

2000 Silverado Z71 makes noise on the rear differential when place in reverse or drive.

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  • Anonymous Mar 22, 2014

    want to pull rear axle truck has locking differential

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If it's only happening when you initially place it in those gears before going forward or reverse, your U-Joint in the rear is going bad. Replace both when you replace the one. This way you don't have to go there again when the fron U-Joint decides to go out. Cheap insurance.

Posted on Feb 06, 2009

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1 Answer

Truck will only drive in 4wd, no power to rear wheels


I would guess your differential. Raise your rear end and try rotating wheel, it should make the other wheel spin the opposite direction. I'd the other wheel doesn't spin, I would say it's your differential.

Apr 14, 2013 | 2000 Chevrolet Silverado 1500

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I have a 1999 chevy silverado Z71 1500 5.3. It makes loud grinding and poping noises when I put it in gear how do I know if its the transmission or the transfer case?


the transfer case only engages when in 4wd. check the universal joint, it connects from the drive shaft to the rear differential. it may need grease or to be replaced.

Aug 08, 2012 | 1999 Chevrolet Silverado 1500

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Probably broke your U-Joints on your driveshaft, preventing the rear wheels from turning. Your driveshaft might have disengaged from your differential too. check underneath concentrating on the driveshaft and differential

Jun 23, 2012 | 1999 Chevrolet Silverado 1500

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I have noticed a clunk type noise/feel in the rear end after taking off from a stop. Tonight a really bad grinding/clunking sound both in drive and reverse, ion gear or neutral. I've been reading...


if the diff is not leaking oil there should be no reason to be low. If you hear a noise in neutral with the truck not moving, its not in the rear end. it may be the trans or transfer case.

Sep 01, 2011 | 1999 Chevrolet Silverado 2500

1 Answer

Have a loud grinding noise in the rear middle between the 2 wheels of my Silverado 2001 after the 4 wheel drive stopped working back in December if that is even related. The only time it does not make the...


Remove the cover on the rear axle Inside you will see the differential gears. If the gears are damaged or there is a large amount of metal flakes in the lube, likely the differential has failed. Generally it is far cheaper and easier to replace it with a scrapyard unit. Replacing the gear set is not a bolt in procedure and takes special tools and knowledge..To replace it end to end, all you need is a decent set of tools, some common sense and a manual if you are a novice or unsure of yourself. Only thing you need is to match the gear ratio to the front one. You can either identify that from a metal tag on the cover or by counting teeth on the ring gear and pinion gears. Ring divided by pinion=ratio.
If the transfer case has been diagnosed as bad, make sure the noise isn't being transmitted through the driveshaft. Verify diff condition by looking!!

Jul 13, 2011 | 2001 Chevrolet Silverado 1500

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Rear differential diagram


my 2003 silverado z71 rear end is stamped 8.8 on the axle is a 8.8 or a 8.5 ? 5.3l 3.73 gears g80 locker

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2002 dodge 1500 rear end making whining nosie


This could be one of several problems: If the noise increases with speed, and you are only hearing it from the rear differential and not the transmission, it could be the rear differential carrier bearings, or rear axle bearings going bad. If you are only hearing the noise upon acceleration or deceleration, the rear differential ring and/or pinion gears may be going bad and the rear differential will need an overhaul. You'll have to get the rear wheels off the ground and see if you can pinpoint the location of the noise with something such as a stethoscope. If it's coming from the rear differential, you'll need to pull the bolts and the cover to determine if the gears are still in good shape, or if there is any pitting. Same with the carrier bearings; if you see pitting/ discoloration, they'll need replacement. If the noise is coming from one side towards the end of the axle shaft near the wheel, it's most likely a axle bearing going bad, and you'll need to pull the wheels, remove the diff. cover to release the C clip which holds the rear axle in place at the differential, and pull the axle out. You also need a special tool with a slide hammer to remove the axle bearing and seal.

Nov 20, 2009 | Dodge Ram 1500 Cars & Trucks

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Rear End in a 2000 silverado moning whenever I turn a corner.


I would suggest a rear differential service. When the fluid breaks down in the rear it doesn't provide the proper lubrication for the rear and you'll hear the "moan". Don't forget to buy and add the limited slip(posi-trac) additive.

As far as the rear end noise, There was a TSB released on GMC light duty trucks that says "Some owners of light duty trucks equipped with automatic transmissions may comment that the vehicle exhibits a clunk noise when ******* between Park and Drive, Park and Reverse, or Drive and Reverse... Whenever there are two or more gears interactin with one another, there must be a certain amount of clearance between those gears in order for the gears to operate properly. This clearance of freeplay (also known as lash) can translate into a clunk noise whenever the gear is loaded and unloaded quickly, or whenever the direction of rotation is reversed." It goes onto say "...Whilse some owners may find the clunk objectionable, this will not adversely affect durability or performance."

Apr 16, 2009 | 1999 Chevrolet Silverado 1500

1 Answer

What weight gear oil do i need 99 chevy Z71


I believe that it is 80w90 but you also have to add differential additive for locker that is inside. you can purchase additive at chevy dealership, napa, or other parts stores just make sure it is formulated for gm.

Dec 22, 2008 | 1999 Chevrolet Silverado 1500

1 Answer

Its a 2007 silverado z71. It got in water halfway up the doors and now it want shift from 2nd to 3rd gear or 4th gear.Diagnostics show maybe transmission control or solenoids but I have no clue reverse...


I went in the water too, water went into the differential through the breather and cost me a new diff a few months later. Suggest you check
rear end oil , mind you I was submerged for a while.

Jul 24, 2008 | Chevrolet Silverado 1500 Cars & Trucks

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