rear differential gasket ?? - Defender Source
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  #1  
Old May 12th, 2005, 05:13 PM
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rear differential gasket ??

Just took a look under the 90 to see what was hanging from the rear differential.......looks like rubber gasket material ?? It appears to have split on the bottom , and pieces were hanging down from both sides. Looks like its missing the entire bottom third now. I'm going to open up the fill plug and pray there is still lube in the diff. Any ideas what I need to do. How much of a PITA is it to replace it, looks as if the drive shaft must be removed to do it.

The gasket is on the inside of the diff where the drive shaft unit bolts on.


thanks

JS
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  #2  
Old May 12th, 2005, 05:31 PM
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Well your lucky its the rear! Drain the diff, pull off the wheels, then pull the 6 bolts holding the axle shafts on out then pull the shafts out. Pull the driveshaft off the diff end and tie it up to the frame, then remove the bolts holding the diff on, be sure to remove the top bolts that hold the break lines in place and carefully push them out of the way first. After all the bolts are off go get a friend to help you drop the diff, I put a jack under the pinion and push the diff off of the studs, it weighs about 80lbs and under the truck it is hard to handle. then set the diff down but not on the ring gear, scrape off the old gasket and put a new one on and put her back together.
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Old May 12th, 2005, 05:41 PM
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Jon, is it leaking, It could just be the extra gasket material that was squeezed out when the diff was originally put on. It sometimes peels off.
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  #4  
Old May 12th, 2005, 08:29 PM
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Jon, most people use a black silicon like material called RIGHT STUFF. When the differential is tightened against the axle housing, it squeezes the excess out. And this excess may be what you see. As suggested, check oil level. All you need to have is a half inch drive socket . If the oil level is fine , and you dont see a leak , you are fine . Good luck JP
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Old May 12th, 2005, 10:07 PM
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I'll check the level tomorrow AM. The piece of gasket that i found is about 3 " long and maybe 1/4" at the widest part. It looks like it could be excess gasket material.

I have not noticed any leaks, and I park the truck in the garage every night, so I should have seen some evidence of a leak.

Thanks for the quick replies.

JS
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Old May 13th, 2005, 08:28 AM
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just excess right stuff, don't worry.

Ron
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