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Re: Smoking at cold start; help confirm diagnosis? 700 '92

posted by  someone claiming to be Steve Oakes on  Wed Jul 11 00:31 CST 2001 [RELATED]

Kevin:

I wouldn't totally rule out the turbocharger. I had the same symptoms in my '84, ie puffy white smoke at idle, and it was the turbo( I know because it didn't smoke until I had installed a supposedly good junkyard turbo, and it stopped as soon as I put my older unit back on.) It probably smoked even when warm, but the catalytic converter cleaned it up when hot. Smoke at idle is a sign of a worn turbo, at least according to my understanding. But as the valve stem oil seals are easier and cheaper (part:$25 from the dealer) than the turbo, you should probably start there. If you need the timing belt replaced (every 50K miles), that would be a good time to do the valve seals as much of the labor is redundant on the two jobs.





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