Date: 9 Jun 2006 12:20:11 GMT From: Dave Hinz <DaveHinznospamcop.net> Subject: Re: bad drivetrain sounds (c900)
On 08 Jun 2006 22:43:43 GMT, John B <rotten_NOSPAM_nospam.org> wrote: > Hi, > > I noticed a new sound today from my 1992 900S. It's a sort of rhythmic clicking > noise. It occurs only when the car is in gear with the clutch out. The > frequency changes with engine RPM (and therefore wheel speed), and is roughly 4 > or 5 per second around 1200 RPM. I was unable to determine whether it is any > slower in higher gears. No change when turning the wheels. Does it stay the same with road speed, or with engine speed? In other words, when you change from 1st to 2nd or whatever, does it change when your car is going the same speed? > So, is this likely to be transmission or drive axle related? Also, I'd like to > know if this sounds like an imminent failure item to anyone. All input welcome. CV maybe? Depends on if it's road speed or something else that changes it. If you start feeling the car "pulling back" in turns, especially in time with the clicking, get somewhere carefully without sharp turns. CV failures don't give much warning, and leave you sitting & spinning. Dave
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