Oil Loss/Consumption/Pressure issue : Could it be Rear Main Seal?

[Huw Powell]

What weight oil are you using?

Hayes Myers wrote:
> When I've warmed up I'm lucky to hit 3bar.    Could the oil filter have
> anything to do with this as well?   Last oil change (car still quite new to
> me) wasn't a MANN.  Can I just spin off the old and on the new?
> 
> -----Original Message-----
> From: Huw Powell [mailto:audi at humanspeakers.com] 
> Sent: Monday, February 02, 2009 3:42 PM
> To: Hayes Myers
> Cc: quattro at audifans.com
> Subject: Re: Oil Loss/Consumption/Pressure issue : Could it be Rear Main
> Seal?
> 
> 
>> I was seeing fluctuating oil pressure with drops  below 2 at idle.and
>> starting near full pressure on gauge and simply bleeds off pressure as the
>> car warms up.
> 
> That sounds like normal oil pressure - hitting 5 bar when cold, you 
> should see 3-4 bar when revving warm, drops to 1.5 - 2 bar at warm idle 
> seem typical.
> 
> But you definitely have a nice oil leak at the rear main.
> 

-- 
Huw Powell

http://www.humanspeakers.com/audi

http://www.humanthoughts.org/