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#1
04-18-2005, 07:35 PM
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rear differential leak
Does anyone know of a quick and easy way to stop a differential leak? The leak is above the fill line, so it only leaks immeadiately after I have been driving it. It only leaks a very small amount each day - it is more of an annoyance than anything. I have tried a "stop leak" additive but it has not worked. Any ideas?
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#2
04-18-2005, 10:10 PM
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Re: rear differential leak
Where specifically is it leaking out of the differential?
__________________
"Never under estimate the power of stupid people in large groups." 1997 K-1500 Silverado Vortec 350...125,610 and wounded HD chassis package Custom TRUE DUAL exhaust with cut-outs and Flowmaster 40 series mufflers Poweraid Throttle Body Spacer Custom Ram-air Intake with K&N FIPK GEN II TFES Performance 3" Suspension Lift Dual Air-Horn Kit with Compressor Bed-Mounted 48" Hi-Lift Jack Cobra Laser Radar Detector 285/75/R16 Cooper Discoverer STT's 1/4 Mile 10/15/05: 16.43 @ 91mph
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#3
04-19-2005, 07:47 PM
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Re: rear differential leak
It is leaking between the cover and main housing. The leak is above the fill line so while it is parked it does not leak. When I drive it, oil must splash around inside the differential and leak out through the seam. As soon as it is parked it will leak a few drops of oil and that's it. It is not a big problem, I am just getting tired of all the marks on my driveway.
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#4
04-19-2005, 07:59 PM
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Re: rear differential leak
Mine had a similar problems before and I just drained (syphoned) the fluid out and put new in and it hasnt leaked since. I'm pretty sure the origional problem was due to a cracked rubber washer or gasket on the front side of the diff. but to fix it i would have had to remove all the gears to get to it. So I figured its not worth all that just for a few stray drips.
__________________
"Never under estimate the power of stupid people in large groups." 1997 K-1500 Silverado Vortec 350...125,610 and wounded HD chassis package Custom TRUE DUAL exhaust with cut-outs and Flowmaster 40 series mufflers Poweraid Throttle Body Spacer Custom Ram-air Intake with K&N FIPK GEN II TFES Performance 3" Suspension Lift Dual Air-Horn Kit with Compressor Bed-Mounted 48" Hi-Lift Jack Cobra Laser Radar Detector 285/75/R16 Cooper Discoverer STT's 1/4 Mile 10/15/05: 16.43 @ 91mph
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#5
04-19-2005, 10:15 PM
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Re: rear differential leak
take off the cover, scrape off the old gasket and either put in a new gasket or spread rtv sealant on the mating surface & put it back on. not a big job. you will need almost 3L of gear oil to refill the diff
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#6
04-20-2005, 01:58 AM
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Have you tried re-torquing the bolts with the diff at operating temperature?
__________________
88' Chevy K1500 Silverado 350 V8 5.7 Original Owner 77,000 miles 2nd tranny Peeling Paint - Defective Factory Paint 235/85/16 BFG MT
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#8
04-22-2005, 09:08 PM
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Re: rear differential leak
RTV sealant alone is the way to go. Just make sure you get it on evenly, and in a 1/8" bead. Put the cover on with the sealant on it and tighten the bolts just barely tighter than finger tight. After a few hours, torque them down. Wait as long as you can to fill the diff. If the timing allows it, I like to let it sit overnight before filling it.
__________________
'04 Cavalier coupe M/T 2.2 Ecotec Supercharged 14 PSI boost, charge air cooler, 42# injectors Tuned with HP Tuners Poly engine/trans/control arm bushings Self built and self programmed progressive methanol injection system
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