Question about 2000 GMC Sierra

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Cover for rear differential has a leak, i would like to know the amount of fluid needed to refill after replacing gasket

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Differentials are typically filled up to the hole where the fluid is poured into. Simply fill until you see the oil starting to come out of the same fill hole... but do it slowly... don't want to make a mess.

Posted on Sep 26, 2009

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What is torque specs on hyundai Santa Fe 3.5 differential cover plate bolts


Suggest to remove cover and replace gasket with Permatex Gasket Maker Silicone. Fully clean and dry apply a 1/4 bead on cover and bolt down to 20 ft lbs. go around several times to compress silicone. Let silicone cure 30 minutes then refill.

Aug 18, 2014 | Cars & Trucks

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Jeep cherokee rear differential


First replace the seal and case cover gasket, then top up diff oil, test to see if noisy is eliminated , because since the oil is leaking it might be running dry.

Sep 15, 2013 | Cars & Trucks

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How to change Rear differential fluid for 2002 Chevy Suburban


You need to take out the bolts holding the cover on but leave 2 in it one on eather side then pop it open with a flat head screw driver make sure u got an oil pan under it first . Then replace your gasket and put the cover back on, as for filling it there is a bolt on the front side of the axle and its usually a square hole that a 3/8 drive rachet will fit in u stick the rachet in it and take it out. Then you fill it up with the suggested gear oil and the specified amount.

Apr 13, 2013 | 2002 Chevrolet Suburban

2 Answers

Need to replace the seal at the differential


There are several seals for the differential. The pinion seal is towards the driveshaft. The rear cover is on the back of the differential.

The rear cover seal is a gasket and can be replaced by removing the rear cover and scraping off the old gasket. Some mechanics make their own gasket out of a liberal application of atv gasket compound. Other mechanics use a stamped gasket and may apply a small amount of cement to one side of the gasket to hold it to the cover.

The cover is bolted on by Torx head fittings.

The pinion seal is another matter. The driveshaft needs to come off. The flange needs to come away from the differential and the seal rides the shaft going into the differential. Some housings require a removal tool.

With either seal, you need to determine the type of differential you have. Limited -slip requires an additive to work in the standard lube. Some require only synthetic gear lube as well as the additive.

A cover gasket is not very hard to replace. The pinion seal can be more difficult. Price the repair.

Do not reuse the differential fluid.

Feb 19, 2013 | 1995 Mercury Grand Marquis

1 Answer

2001 yukon rear diffential


Well, at this point, you're probably overdue for a fluid change anyway. Drain the rear differential, take the cover off, clean the surfaces, make a new gasket out of red RTV silicon (Here's how: run a bead all the way around the inner surface. Put on the differential cover, all the bolts, and then pull the cover back about a quarter of an inch. Let it dry. It is now a self-made gasket that will actually crush and hold tighter than if it is simply squashed in while wet.), refill the differential, and you should be good to go. A little oversimplified, but still, main steps!

Mar 09, 2012 | 1997 GMC Yukon

1 Answer

When do you change the fluid in the rear differencial. I was told by a mechanic that the rear differencial fluid was low and had metal shavings in it, and that the fluid needed to be changed and that it...


I'd say yes. The differential fluid is often overlooked by oil change technicians, even though it's something that should be topped off periodically.

It probably would cost more than that to repair it once it wears out.
Axle Housing Assembly Removal & Installation To Remove:
  1. Lift the vehicle.
  2. Drain the lubricant from the rear axle housing.
  3. Remove the rear axle assembly from the vehicle.
  4. Remove the brake caliper brackets from the rear hubs.
  5. Remove the rear cover and gasket from the rear axle housing.
  6. Remove the rear axle shafts from the vehicle.
  7. Remove the rear differential assembly from the vehicle.
  8. Remove the brake backing plates from the rear hubs.
  9. Remove the rear drive pinion shaft yoke and seal from the drive pinion.
  10. Remove the drive pinion from the rear axle housing.
To Install:
  1. Install the drive pinion into the rear axle housing.
  2. Install the rear drive pinion shaft yoke and seal onto the drive pinion.
  3. Install the rear differential assembly into the vehicle.
  4. Adjust the differential side bearing preload and the backlash.
  5. Perform a gear tooth contact pattern check.
  6. Install the brake backing plates onto the rear hubs.
  7. Install the rear axle shafts into the vehicle.
  8. Install the rear cover and gasket onto the rear axle housing.
  9. Install the brake caliper brackets onto the rear hubs.
  10. Install the rear axle assembly into the vehicle.
  11. Refill the lubricant in the rear axle housing.
  12. Lower the vehicle.
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I think that changing the fluid would take about an hour, and depending on the garage, and the labor rate, that they might elect to take the rear cover off of the differential, and drain it that way and replace the fluid once it was put back on. He could inspect the gears while the cover was off and tell you how bad it was.'

Do you hear any clunking or gear mesh noises from the rear when putting it in gear or running the vehicle?


Some mechanics would simply top off the fluid and wait until it wears out, which could be several thousand miles in the future.

Use gear oil for it of the recommended viscosity in the service manual.

Generally thicker than motor oil.

So, adding fluid would cost only the amount of the fluid plus some labor.
A bottle of fluid might cost $9.99 or so depending on where you get it.

You might be able to do this yourself if you crawl under there, remove the fill plug at the top, and just add gear oil. If there isn't enough room you might drive it up on some ramps and then crawl under there.

Jul 29, 2010 | 2004 GMC Envoy

1 Answer

2004 Explorer: Rear differential cover is leaking, how do I fix i...


put flat pan under the housing remove the bolts holding the cover usually 10 or 12 (1/2 or #12 metric) bolts? allow the rear end grease to drain... then scape off the old gasket clean with brake cleaner spray install either new gasket or form one with oil resistant silicone put the cover back on , dont refill the fliud for at least 12 hours if using silicone. Also check the front driveshaft rear end yoke seal....they sometimes leak making the illusion of a rear end pan cover leak...if that is leaking you remove the shaft carefully...remove the large yoke retaining nut, replace the press in seal...be sure retaining yoke nut is properly torqued when reinstalling .

May 06, 2010 | 2004 Ford Explorer

1 Answer

Where is the fill plug on the diffirential on a 1999 jeep grand cherokee laredo"


How to Fill a Rear Differential
You may need to add fluid to your differential due to leaks or changing seals, or it may be time to change out the gear oil completely. Either way, it's just a few steps to fill the rear differential and get your vehicle back out on the road!This article will explain how to fill a rear differential. jQuery('.intro .thumbnail').each(function(i,e){ jQuery(e).find('img').one('error',function(){ jQuery(e).remove(); }); }); Difficulty: Moderate
Instructions and Things You'll Need:
  • 3/8 inch drive ratchet with extension
  • 2 quarts gear oil (gear lube, differential fluid)
  • Side cutters
  • Oil drain pan
  • Shop rags
  • Flashlight or shop light (optional)
  • Lock tight (optional)

Filling a Rear Differential
  1. Be sure the car is raised on four jack stands and is level. It will be more difficult to fill the differential if you've only got it raised in the rear.
  2. Place an oil drain pan underneath the plug to catch any leaks or drips. Keep shop rags handy for any spills.
  3. Check your service manual for the amount of fluid your differential needs, if you're completely refilling the system. Two quarts should be enough in most cases.
  4. Remove the spouts on the gear oil containers. Peel off seals, then replace spouts. Use side cutters (or any cutting tool you've got handy) to clip off the top of each spout.
  5. Remove the differential fill plug using a 3/8 inch drive ratchet with extension. (Some models may require a hex key or screwdriver, but the 3/8 inch is the most common plug design.)
  6. Take the gear oil container and fit the spout into the fill hole. Pour the fluid inside. You can gently squeeze the bottle to speed the process. Repeat with a second bottle if necessary.
  7. Fill the differential until the fluid starts draining back out of the hole.
  8. Clean and replace fill plug. Use lock tight (thread locker) to help seal if desired. You can see my eHow article "How to Replace Rear Differential Fill Plug" (video) for more information.
  9. Take the car for a drive around the block to get the gear oil moving. When you return, check underneath for any leaks from the fill plug or differential cover.
Hope help with this.

Mar 12, 2010 | Jeep Grand Cherokee Cars & Trucks

1 Answer

My rear differential cover is leaking


yes u can easy but after u do u might still have the clunk ther may be wear by know but also before refilling try to add an aditive, such as positive traction aditive it might help

Jun 28, 2009 | 2000 GMC Jimmy

2 Answers

Rear diff leaking on my toyota landcruiser 75 series trayback


you should have abut 8 or 10 bolts around the rear diff., take those bolts out, remove diff. cover and replace the diff. gasket.. this will fix your problem...

Mar 19, 2009 | 1991 Toyota Land Cruiser

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