Just bought this 2.5 RS a month ago, car was immaculate. Had 52k on it when I got it, it has 54 now.

The Beef:
Very recently, the car has developed a very intermittent knocking, which is audible and can be felt in the clutch/brake/accelerator pedals. It goes away above idle. It doesn’t go away when the motor warms up. Sometimes it never shows up. I don’t know if it is the dreaded piston slap or what. Thoughts, theories, suggestions? BTW, I have an appointment scheduled @ the dealer for Wednesday.

Thanks Guys
--BE

 

Have you noticed if it goes away when the clutch pedal is depressed? If it does, there is a possiblity it may be the throw out bearing.

 

Negative,
it does it no matter the position of the clutch. Its comin from the engine (I think)

 

while the noise is happen,put the tip of a long screw driver or extension on the timing belt cover close(but at a safe distance) from the a/c idler pulley.put your ear on handle of screw driver and listen for the noise in this area.sounds like you have a cam belt tensioner leaking and the tensioner is hitting the engine block case.noise sounds nasty,but it is a easy fix.

 

Update: Took the car by the dealership. Turns out, it was something extremely mundane. The Alarm horn was loose on its mount and was knocking on the master cylinder and a linkage of some sort causing the sound and the knocking sensation in the pedals.

 

LOL WELL SOMTIMES IT IS THAT WAY HUH