dumb blonde
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- May 5, 2007
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- vp commodore
I need help identifying what this vibration is: It isn't a rattle. When the engine is idling, a vibration can be heard inside the car. You can't hear it from the engine bay, you can't hear it under the car (stationary, dunno about when it's moving). Goes away when the engine rpm rise just off the idle, sounds 'hollow' like an exhaust but the exhaust appears to be fine and not contacting the underside of the car. (it's a 2.5"). No vibration appears to come from the engine itself. It's a VP auto BTW. Is this normal? I've only had the car a short time, the noise was there when we brought the car.