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Will Reinserting Dipstick Cause New Cam Seals to Blow? S90-V90 1998

posted by  KlausC on  Wed Apr 1 10:25 CST 2020
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last visit: Fri Oct 24 10:15 CST 2014
[RELATED]

Shove the dipstick down. Warm up the engine and do a glove test.

When you replaced the PCV, did you also replace the small plastic screen? If so, remove the screen and throw it in the garbage. The screen does nothing except cause a clog after a short life span.

If the glove test inflates the glove, did you clean out the holes behind the separator that go through the block? Some times they get full of deposits from conventional oil.

It is quite normal for vapors to come out of the dipstick hole after engine shut down. It is not normal when the engine is in idle mode, as the vacuum pressure at idle should route the vapors through the PCV.
--
Keeping it running is better than buying new






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