Bad Oil Leak 4000cs

[David Ullrich]

Yes indeed...the timing belt cover bolts definitely go into oil galaries.
Make sure they are put in with thread lock/sealant and are tight.

Dave
-Audiless for now
-Wanted 1987 CGT Triple White

On Sun, Jul 27, 2008 at 7:21 AM, Fred Munro <munrof at sympatico.ca> wrote:

> Dave;
>
> From what I recall of the I5 10v motors (and it's been a while since I did
> a
> timing belt on one of those), a few of the bolts go into oil passages, and
> I
> think the bolts that hold the lower TB cover on are two of them. If you've
> left that cover off, you'll spew oil like there's no tomorrow. When I did
> the timing belt on one of these engines I used Loctite blue on all of the
> small 10 mm bolts to make sure they sealed. Even leaving one loose can
> result in a substantial oil leak. If the crank and oil pump housing are
> undamaged, I think that is a more likely source of a leak than 3 bad new
> seals (unless you are putting them in backwards of course) :o).
>
> Good luck!
>
> Fred Munro
> '97 S6
>
>
> -----Original Message-----
> From: quattro-bounces at audifans.com
> [mailto:quattro-bounces at audifans.com]On Behalf Of DK
> Sent: July 25, 2008 2:39 AM
> To: quattro at audifans.com
> Subject: Bad Oil Leak 4000cs
>
>
> Hi all, back again!
>
> Couple weeks ago when I did the timing belt on my 87 4000 (stock JT) I
> replaced the cam and the crank seal while I was in there. Cam seal was
> no problem, no leakage afterwards. With the crank seal I managed to
> damage it while installing it (along with some oil for lube). Week
> later when I got replacements, the seal went in all right, but maybe
> it didn't go in all the way. At the third try, I bottomed it out with
> the help of a PVC adapter - but nevertheless it still leaks pretty
> badly (quart per 100miles)...
> Before the TB job there was a slight leak coming from around the seal,
> everything else around the pan was dry. I removed the seal by
> inserting two screws  and pulling/rotating it out. There is no visible
> damage on the crank or oil pump housing. The other thing what I may
> think could cause the problem is the gasket between the block and oil
> pump. When I removed the lower TB cover, I didn't put it back on, but
> even with it now it still leaks around the seal and the gasket area.
> Do I have to pull the oil pan in order to replace that gasket? And if
> so, do I have to mess/lower the sub frame in order to access it?
>
> TIA,
>
>
> Dave
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-- 
David G. Ullrich
Cavu Consulting
"Finally, Affordable Technology Help"