No more Tapping - Saab 9000 Bulletin Board - Saabnet.com
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No more Tapping
Posted by Sam (more from Sam) on Fri, 11 Mar 2011 18:12:51
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Had some tapping that seemed to get worse over past year, could hear independent tapping come and go, especially at start up. My 9000 has 280,000 miles on it and I guess the lifters got tired. Tried thicker oil (up to 20w50) which helped but only a little. Just had the lifters replaced with a used 100k set and no more noise. Quiet as new.
PS. An earlier tapping came from worn connecting rod bearings, worn down to copper, but stock forged crank still looked new. Replacement and polish eliminated the issue.
Just offering some notes for the devoted 9000 folks out there.
Sam
1994 Stage 3 9000 Aero
posted by 24.26.8...
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