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2001 Volvo S40 Bluish gray smoke from exhaust

Tiny
VELWOOD
  • MEMBER
  • 2001 VOLVO S40
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 95,000 MILES
My 2001 Volvo S40 is blowing bluish gray smoke. Took turbo off and went to Turbo City in Orange, CA. They said all seems well, but the exhaust side is not wet with oil. The side to the intercooler is damp with oil. Could back pressure from a clogged crankcase vent system be the problem? Just don't know.
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Friday, April 16th, 2010 AT 2:27 PM

1 Reply

Tiny
JIS001
  • MECHANIC
  • 3,411 POSTS
Remove sark plugs and inspect. Here is a picture of a plug burning oil.


https://www.2carpros.com/forum/automotive_pictures/337695_sparkplug_1.jpg



If plug looks somethng like this then you are burning oil. Could be bad piston rings or valves. If plugs are O.K. then you may want to get a second opinion on that turbo? Turbo good have an internal oil look?
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Friday, April 16th, 2010 AT 10:42 PM

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