Hers's something...Oil smoke '90 tqa

[Grant Lenahan]

ok, weaker than the surrounding components which appear to be en route to 401k miles.

I sit corrected.


On Jan 11, 2012, at 8:18 PM, Louis-Alain Richard wrote:

> 301 000 miles and you call them weak ? lol!
> 
> Could it be a problem with the oil vapor recovery circuit ?
> 
> Louis-Alain
> 
> 
> -----Message d'origine-----
> it does sound like the oil must be hot and therefore thin.
> older Audis and VWs did have weak stem seals
> 
> turbos typically smoke under hard accel/boost
> 
> Grant
> On Jan 11, 2012, at 2:23 PM, Nick Lawrence wrote:
> 
>> I start the car in the garage after sitting over night, no oil smoke
> cloud, then drive about 15 miles.
>> About 5 hours later I start the car and get a noticeable cloud of blue
> smoke, drive few miles shut off, restart in 30 minutes, no noticeable cloud.
> 
>> My guess is valve stem seals or maybe just very worn guides.  If yes on
> vavle stem seals any BTDT?
>> 
>> What might I see with worn turbo seals?
>> 
>> Engine has 301k miles. Compression test and leak down test doesn't
> indicate worn rings.  
>> 
>> Nick  central Ohio
>