Question about 1994 GMC Sierra
Be sure it is the rear main seal,there is a cam plug that could be leaking,but if it is the rear main oil seal leaking,then I suggest removing it,and installing a rear main repair sleeve,this will give it a new surface to ride on,the crankshaft may have a groove cut into it from the oil seal,this will remedy the problem.If this was at all helpful,please rate,thank you.
Posted on Jul 10, 2010
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Posted on Jan 02, 2017
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