[V6-12v] Razzin-frazzin' oil leak!!!!!!!!!!!!!!!!!

[T. Jackson]

I just came back from my regular mechanic and we spent an hour under the car
and above examining the leak.  We have confirmed that the leak is indeed
coming from the rear of the engine in the area of the rear main seal.  He
pulled a cross section of the engine in All Data and we found that there are
actually 2 seals in this area.  One is the rear main seal and the other is
the seal for the plate that the rear main seal attaches to which is bolted
to the block.  The conclusion at this point is that either the rear main
seal was installed incorrectly and thus is still leaking or the seal around
the plate which the rear main is attached to is leaking. The mechanic who
replaced the tranny and other items in that area should have picked up on
this so my guess is that he damaged the rear main seal during installation.
Luckily for me I reported the leak to him the next day after getting my car
back so he cannot blame the resiliency of the seal should it be damaged when
he goes back in there.

  I'm going away for a week but I will take this up with him when I get
back.  I am not going to mention this seal to him until after the car is
apart in case he should feel to blame this seal to cover for his shoddy
workmanship and charge me another $1000 for the service. 

I'll keep everyone posted as to the outcome.

-----Original Message-----
From: v6-12v-bounces at audifans.com [mailto:v6-12v-bounces at audifans.com] On
Behalf Of The CyberPoet
Sent: Wednesday, August 18, 2004 2:04 AM
To: v6-12v at audifans.com
Subject: Re: [V6-12v] Razzin-frazzin' oil leak!!!!!!!!!!!!!!!!!

I found my leaks to be in the two EGR? hoses that came off the rear of 
the valve covers, turn 90° and enter into
the air intake system for vapor recovery. At idle, they weren't leaking 
to speak of, but at speed, the oil was spraying
around hard enough under the valves to present a significant oil loss 
through those hoses. Where the airbox at
the rear of the intake manifold seals was also awash with a bit of oil, 
indicating that oil was leaving via it as well.
I haven't checked it closely since replacing all the seals (the car 
doesn't get driven much with us being a motorcycle-centric
family these days), but the major oil loss is gone with the replacement 
of those hoses.

Good Luck!
=-= Marc Glasgow


On Wednesday, August 18, 2004, at 01:04  AM, T. Jackson wrote:

> I feel your pain.
>
> After some searching and not getting anywhere I suspected that the 
> leak was
> coming from the rear of the engine.  I obtained some of the 
> fluorescent dye
> from a mechanic friend and put it in the system.  From what we could 
> tell
> the oil leak on my car appears to be coming from the rear main seal.  I
> actually had this seal replaced about 2 months ago when I had the 
> tranny
> removed for the clutch job.  Even though my clutch is not slipping I 
> suspect
> that the leak resides at the rear main since the oil is pouring out of 
> the
> gap between the bell housing and the engine.  Is it possible to 
> install the
> rear main seal incorrectly?  I have an appointment with my mechanic 
> this
> Friday to put the car up on the hoist and confirm or deny my 
> suspicions.  If
> it is in fact the rear main seal then I expect my mechanic to replace 
> it
> free of charge, however, if he does remove my tranny and finds that 
> the leak
> is not coming from the rear main seal then he will charge me for the 
> labour
> to R&R the transmission.  His quoted rate for this service is $1,000 
> Cdn
> therefore I'd like to be mighty sure that it's the rear main seal.  Are
> there any other seals on the back of the engine that would cause this 
> severe
> of an oil leak?
>
> TIA.

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