rear engine leak - The 1947 - Present Chevrolet & GMC Truck Message Board Network

tk1251k · 08-13-2007, 01:21 PM

1972 gmc sierra grande 350. I have owned truck 30 years . Engine has 375,000 miles on it. Oil pan never been off. Have leak probably rear main seal Does oil pan need to come off to replace or can auto trans. be removed thanks terryhttp://charlotte.craigslist.org/car/393167327.html

woodridge · 08-13-2007, 01:24 PM

Oil pan will need to come off as the seal is a two piece. Having the trans and flywheel out/off would be a plus as it would give you more room to work.

tk1251k · 08-13-2007, 01:30 PM

Heard alot about one piece seal is this the best way to go . terry

08-13-2007, 01:21 PM	#1
tk1251k Registered User Join Date: Nov 2005 Location: Newton Posts: 174	rear engine leak 1972 gmc sierra grande 350. I have owned truck 30 years . Engine has 375,000 miles on it. Oil pan never been off. Have leak probably rear main seal Does oil pan need to come off to replace or can auto trans. be removed thanks terryhttp://charlotte.craigslist.org/car/393167327.html

08-13-2007, 01:24 PM	#2
woodridge Senior Member Join Date: Feb 2005 Location: Maynardville, Tn Posts: 3,030	Re: rear engine leak Oil pan will need to come off as the seal is a two piece. Having the trans and flywheel out/off would be a plus as it would give you more room to work. __________________ SEMA Network- Protect our Hobby! 71 C30 in pieces, starting to come together. Click here for A Place For Tennessee Truck Enthusiest To Meet

08-13-2007, 01:30 PM	#3
tk1251k Registered User Join Date: Nov 2005 Location: Newton Posts: 174	Re: rear engine leak Heard alot about one piece seal is this the best way to go . terry



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