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1999 SAAB 9-5 compression 30% in number 1

Tiny
BUDGET1959
  • MEMBER
  • 1999 SAAB 9-5
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 20,700 MILES
I changed the turbo inmy 2.3 saab a year ago I did not change my scan tech pcv valve, and I changed the pcv kit new that the dealer told me to upgrade with the new kit, I now have white smoke coming from pcv valve out from the valve cover and just changed the scan tech valve the rest of the pistons have 200% compression. Do I now have sludge build up and what do u think maybe damaged, or what may be the problem
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Thursday, June 10th, 2010 AT 3:44 AM

1 Reply

Tiny
MHPAUTOS
  • MECHANIC
  • 31,938 POSTS
Hi there, if you haver a low compression, do a wet compression test, add about 2 tea spoons of oil to the cyl and re test, this will temp seal the ring lands and if there is no reasonable improvement in comp you will have a vale problem, also get a heads check done this is a simple chemical test to check for exhaust gasses in the cooling system.

Mark (mhpautos)
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Thursday, June 10th, 2010 AT 4:06 AM

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