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Question: rear main seal

irving6421

New member
Joined
Nov 5, 2014
Messages
2
Location
new york
Corvette
1979 bright red coupe 4 spd and loud
Have a 79 L-82. Was wondering if the rear crank seal is one piece or a two piece seal. Mine is leaking and in need of repair.
 
rear main seal leaking

When you replace it use an aftermarket seal because it is made to run in a different place on the crank.
 
When you replace it use an aftermarket seal because it is made to run in a different place on the crank.

DO NOT assume that all aftermarket seals ride on a different place on the rear jorunal.

A lot of replacement rear main seals will be mfg. to GM specifications.

You may need to search for a rear main seal which is designed specifically for that purpose, ie: moving the sealing surface on the crank journal away from a previously worn portion.
 

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