Hers's something...Oil smoke '90 tqa
glenahan at vfemail.net
Wed Jan 11 16:53:14 PST 2012
it does sound like the oil must b hot and therefore thin.
older Audis and VWs did have weak stem seals
turbos typically smoke under hard accel/boost
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
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