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New Style Rear Main Seal

Old 09-07-2009, 12:29 PM
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Default New Style Rear Main Seal

What's up with these, do they leak? I have been searching on this site & I am getting mixed results.

The old ones had a reverse lip that protruded towards the front of the vehicle. I never had one leak, a little hard to install but they worked.

I got this new one from GM & it is thinner & the lip is towards the rear. Easy as hell to slide on the crank but worthless if it's going to leak.

Any first hand experience out there?
Old 09-07-2009, 01:28 PM
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I put one on my car,it was easy to install and no leaks so far.
Old 09-07-2009, 02:37 PM
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i too am curious about this...


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