hlaalu

iTrader: (3)

I got tired of searching and finding different answers, so please bare with me.

My new seal came in the mail today, the "revised" version. Do I need to buy a new backing plate?

And should the seal be lubed before installing?

I've been reading answers that swing both ways, so please post up if you are 100% sure. Thanks!

hlaalu

iTrader: (3)

Ttt where are all the experts???

collier341

iTrader: (5)

by no means do i claim to be an expert but... i pounded mine in with no lube and it seems to be holding up fine. idn what you mean by a backing plate?

hlaalu

iTrader: (3)

sorry, you probably know it as the rear main cover. this guy

collier341

iTrader: (5)

ooo my bad.. i didn't realize we were talking ls1.. no backing plate for me


sry man

fleetmgr

Lube it before you put the whole thing back over the crank.

hlaalu

iTrader: (3)

it's all good! lol

just the inside or everything?

hlaalu

iTrader: (3)

well here it is, direct from the GM SI



* Do not lubricate the oil seal inside diameter (ID) or the crankshaft surface.
* Do not use the crankshaft rear oil seal again.

# Lubricate the outside diameter (OD) of the oil seal (1) with clean engine oil.
# DO NOT allow oil or other lubricants to contact the seal surface. Lubricate the rear cover oil seal bore with clean engine oil.
DO NOT allow oil or other lubricants to contact the crankshaft surface.