Re: Help! Changing timing belt creates oil leak?

[rjandrew@post.cis.smu.edu (R Justin Andrews)]

Hello,
I did this same thing on my 5ks take off the upper cover
and reinstall the extra 6mm bolt that is missing. check this first.
yes.... oil will destory a timing belt.
I have never seen a crank seal go bad from changing a cam belt.
HTH,
Rich Andrews
rjandrew@post.cis.smu.edu
> 
> My recently acquired '86 4kcsq was overdue for a new timing belt
> so we installed a new timing belt, water pump, and idler pulley.
> 
> The engine (5 cyl, non-turbo) runs fine, but there is now
> a significant oil leak.  The brackets for the AC compressor
> and alternator and the front of the oil pan are swimming in oil.
> Removing the upper timing belt guard reveals oil splattered around
> and a wet timing belt.  The upper part has a light splattering of
> oil, it appears that there is a fair bit of oil around the lower part.
> All this from a very short test drive.
> 
> While it appears there may have been an existing (minor?) oil leak,
> (the usual oil+dirt gunk) the old timing belt was dry.
> 
> Possibilities include:
> 
> 	crankshaft seal
> 	camshaft seal
> 	valve cover gasket
> 	head gasket
> 
> I can't see any oil dripping from the bottom of the camshaft seal,
> although there is a bit on one side (seems odd).  Head gasket seems
> unlikely.  Main suspect is the crankshaft seal.
> 
> We searched through the archives on the web, but couldn't find anything.
> 
> Questions:
> 
> 	Are there any possible sources of leaks I have overlooked?
> 
> 	Will oil harm the timing belt?
> 
> 	Does the crankshaft seal seem the most likely?
> 
> 	Are there alternatives to the special tools for
> 	extracting and installing the crankshaft seal?
> 
> 	How would changing the timing belt and friends
> 	create or worsen an oil leak?
> 
> 	Is there any place in the US-OR-Portland area to get
> 	this stuff on a Sunday?
> 
> thanks,
> Denise
> denise%sopwith.uucp@qiclab.scn.rain.com
> 
> Please reply direct, I can't dial into my regular email account.
> Thanks.
>