Valve seal question
feelstranger at hotmail.com
Thu Dec 1 09:11:02 EST 2005
I just would like some feedback about the longevity of the exhaust guides.
How many have opened heads and found guides that need to be replaced and at
How long will a new seal last if the guide itself is out of spec?
Also, the smoke puffs at shifts are indicative of valve seals, not turbo,
----- Original Message -----
From: "Bernie Benz" <b.benz at charter.net>
To: "Feelstranger" <feelstranger at hotmail.com>
Cc: "200q20V mailing list" <200q20v at audifans.com>
Sent: Tuesday, November 29, 2005 2:29 PM
Subject: Re: Valve seal question
> Yes, valve stem seals can be replaced without removing the head, and valve
> stem clearance in the guide can be measured at the same time.
>> From: "Feelstranger" <feelstranger at hotmail.com>
>> Hello all,
>> I have not been subscribed to this list for a while (year?), so I hope
>> is not an anoying question. I looked at the archives and tried to search
>> them to no avail. I am getting significant oil consumption. I have
>> the small puffs of smoke at shifts while tailing my SO. I gather this is
>> typical of valve seals, correct?
>> I was going to have a shop do them, but they said it was a waste and that
>> the exhaust guides should be done too. Car is at 163K. So, is this
>> true? Can valve guide wear be tested without head removal?
>> How hard is a valve seal job only on a 20V? I assume it can be done with
>> head in car?
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