rear axle seal
i have an 06 gmc cc da with 93k on it. about 3k ago the drivers side rear axle or wheel seal started leaking. i've replaced it 4 times now. the first time i think i screwed up the seal installing it. the 2nd time 3rd time and 4th time it hasnt leaked for about 4 days or 500 miles the starts again. the last time i replaced the inner bearing as well and siliconed around the seal in the hub with the same results. i also made sure the vent for the rear diff. wasnt clogged. 500 miles later leaking again. the only thing i can think of is the 6000 pound trailer i'm towing has no brakes and my rear rotors are getting really hot, new trailer will be here in 4 weeks. could the heat be killing the seal? i'm ready to light the truck on fire or sell it at this point.
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