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saraf
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Everything posted by saraf
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Broken oil pump shaft/ motor over rev
saraf replied to saraf's topic in 987-1 Series (Boxster, Boxster S)
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Broken oil pump shaft/ motor over rev
saraf replied to saraf's topic in 987-1 Series (Boxster, Boxster S)
No down shift was involved. I went from 2nd to 3rd to bring the revs down. Downshifting from 2nd to 1st would have been difficult to say the least. -
Searching for an answer. Driving a 2006 Boxter, 2.7 , 5 speed with 40K. I am an experienced driver with 40 years of driving manual transmissions hi performance sport cars. After acceleratiing from a stop sign, first gear to 4000 rpm, shifted to 2nd gear up to 6700 rpm then upshifted to 3rd gear to cruise at about 115k/hr. (65mph) Immediately i noticed a flutter from the motor. Reduced speed, motor flutter got worse, dash board message came on saying car had to be serviced. Drove to Porsche garage while motor continued to operate but motor shudder was getting worse. Porsche tech pulled computor data saying motor had been over reved to 9500 rpm by downshifing. Valve was bent after striking piston head. Porsche servive manager, immediately made it clear that it was my fault and warranty did not cover new motor cost. Service and attitude from Porsche NordenHaus was so insulting I had car removed to another Hi end qualified garage. I had motor pulled apart. Garage tech said oil pump shaft had sheared off and parts scattered throughout motor. Cause, effect and consequences of shaft failure, valve impact and motor over rev seem to be related, but not sure how. I need to have some feed back from anyone out there that has ideas or knowledge of any occurences similar to this or any othe ideas.