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Old 10-26-2005, 02:10 PM   #1
Registered User
Join Date: Oct 2005
Location: Columbus, OH
Posts: 47
OK, so the dealer told me what the noise is.....

that my car makes when taking off in 1st and in reverse. A rattling sound. does not occur when cold, only when the engine is warm. If I give it enough throttle(around 2500 rpm) when taking off in 1st or when in reverse, it does not do it.

They told me it's the clutch pressure plate engagement with the flywheel. That somewhere along the line(the S is brand new to us, but has 27k on the clock) extreme pressure(heat) was applied causing a small amount of warpage on the plate. Maybe someone rode the clutch for long periods of time, or they tracked the car, and improperly shifted into lower gears at high rpm(maybe they didn't know about heel/toeing I suppose?)

All clutch issues are conveniently warranted for the first 12 months/12k miles.

Of course, it's not covered under warranty, and will cost about $2500 to repair. Now they tell me it's just an annoyance, that as long as I apply enough throttle on takeoff, I won't notice. They also said this is VERY common in their experience.

So, I only need to have a new clutch/flywheel put on if it bugs me enough. They said most people who develop this issue just wait until their clutch needs replacing due to slippage before taking care of it.

I also asked how the car could have gone through Porsche cert. like this. They said it is NOT considered a defect, and therefore was not an issue for the cert.

I have 25K miles on my '04 Corvette Z06, and have tracked the car HARD about 20 times. My clutch works perfectly in that car. I find it incredibly hard to believe that Chevrolet could make a more resiliant clutch/flywheel combination than the storied, race-bred machines of Stuttgart......

any opinions on this. does anyone else have this issue, ever heard of it?
2002 Boxster S-Guards Red
2004 Corvette Z06-non stock track star
2004 Cayenne S-daily driver
2002 Toyota Tundra 4x4-daily driver
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