[V8] Vacuum leak

[Ed Kellock]

This is all very interesting and I will be checking out a couple of cars
right away.

Thanks!

Ed
 


-----Original Message-----
From: v8-bounces at audifans.com [mailto:v8-bounces at audifans.com] On Behalf Of
Dave Saad
Sent: Thursday, June 13, 2013 8:20 AM
To: v8 at audifans.com
Subject: Re: [V8] Vacuum leak


Yes I am. That is usually called the EVAP - isn't it?

I have some drive time on the car now and the stumble off closed throttle is
totally gone. That diaphragm leak must have been big. In fact, I am finding
myself taking the "long way" whenever I get in the car now.

Dave

Sent from my iPhone

On Jun 12, 2013, at 7:36 AM, Ronald G Wainwright <ron_01056 at yahoo.com>
wrote:

> I think ur referring to the Carbon Canister Valve.....
> 
> Ron
> 
> Sent from my iPhone
> 
> On Jun 12, 2013, at 9:27 AM, Dave Saad <dsaad at icehouse.net> wrote:
> 
>> 
>> The valve behind the coolant tank. I siliconed mine up and my idle 
>> issue is gone. The diaphragm leaks around the seam where the two 
>> pieces are assembled. FYI the diaphragm and the electrical valve are 
>> separate pieces and just press fit into the rubber mounting piece. I 
>> am pretty sure I need to replace both parts but for now it is running 
>> fine.
>> 
>> BTW, my oil leak was mostly the distributor mounting plate. I just 
>> siliconed that too.
>> 
>> Dave
>> 
>> Sent from my iPhone
>> 
>> On Jun 11, 2013, at 11:33 AM, "Ed Kellock" <ekellock at gmail.com> 
>> wrote:
>> 
>>> Dave,
>>> 
>>> I'm trying to figure out which valve you're talking about. Is the 
>>> "evap valve" something involved with the climate control system or 
>>> the crankcase ventilation system?
>>> 
>>> Thanks!
>>> Ed
>>> 
>>> 
>>> 
>>> -----Original Message-----
>>> From: v8-bounces at audifans.com [mailto:v8-bounces at audifans.com] On 
>>> Behalf Of Dave Saad
>>> Sent: Tuesday, June 11, 2013 8:02 AM
>>> To: v8 at audifans.com
>>> Subject: [V8] Vacuum leak
>>> 
>>> 
>>> I think I found my problem. The evap valve leaks badly around the 
>>> diaphragm. There is a simple test in the manual and mine failed. I 
>>> am attempting to silicone it back together for now. These things are 
>>> designed to fail. Bad Audi, bad bad Audi.
>>> 
>>> I also found the oil leak - I hope it is just the valve cover but it 
>>> might be the right side cam bearing. That will suck. Once again 
>>> German rubber doesn't last as long as a bowl of cereal. This gasket 
>>> has about 30k miles on it.
>>> 
>>> Dave
>>> 
>>> Sent from my iPhone _______________________________________________
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