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XC70 smoking/using oil-Follow Up 8-1-2016 V70-XC70 2002

posted by  KlausC on  Thu Aug 4 14:11 CST 2016
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last visit: Fri Oct 24 10:15 CST 2014
[RELATED]

"It now has 205K, Still smoking some after long idle. After I get on it hard, it stops smoking. Any ideas?"

Your response above, is a classic symptom of valve stem seals leaking. The glued down portion of the head needs to be removed for this exercise. You have 30 valves or 30 valve seals! Not a fun job, nor is it easy. Removing the cam cover means the cams come out, also a good time to replace the cam seals.

Most owners ignore this problem. It does not mean the engine is dying, it just smokes at idle and long down hill drives. It is the vacuum that draws the oil vapors into the intake where it is burned, causing smoke.

Due to the age of the car, and its value, it probably isn't worth the expense for a professional mechanic to repair. It doesn't consume much oil in the process, but it is worth checking the level when you tank up.

Suggestion, never let the engine 'warm up' for more than 30 seconds even in the winter. Avoid long periods of idling whenever you can.

It is NOT the turbo.
--
Keeping it running is better than buying new






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