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Old 12-25-2014, 06:42 PM
penguinpete penguinpete is offline
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Join Date: Dec 2014
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IMS and Cam tensioners

I just bought a 1999 Boxster. It's in storage for the winter so I have been watching Youtube Boxster videos in place of driving it. One of the videos stated pre 2000 Boxster have cam tensioner problems and also stated that the IMS bearing are a big problem on Boxsters.

I was a little freaked out but from what I read on this forum the cam tensioner will make noise before failing and the IMS bearing will leak before failing. Both items are expensive to repair but still not a deal breaker.

The odometer reading on my car says 17,500 miles and the mechanic that checked it out before I purchased it says it is accurate.

I was hoping to get some feedback from the forum about the failure rate for the cam tensioners and the IMS bearing. Do they always fail? At what mileage do they fail? Are there any other Boxster problems I should know about?
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Old 12-26-2014, 10:33 AM
Boscoe's Avatar
Boscoe Boscoe is offline
Join Date: Jul 2011
Posts: 1,449
These parts do not always fail - from memory its about 2% of cars. It can happen any time regardless of mileage.
There are replacement parts that can eliminate the problem.
Check out
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