Slight knocking sound only when I'm gear or reverse
Pit Crew
Joined: Aug 2023
Posts: 178
Likes: 79
From: tn
I've had the car for about a month now. It has 67k on it. I noticed it's been getting progressively worse. It's weird because it won't do it while it setting or driving flat but if its on a slight incline it gets significantly louder. I noticed today that if I'm going over a dip in the road the volume of it changes. Also gets more prominent with higher rpm. I would have sworn it was exhaust hitting the undercoated frame because it's a dull rattle. However we were able to pinpoint it to the engine bay. Sounds like a mini air compressor or exhaust leak. It's right under the manifold. The vibration is what's throwing me off though. Also not engine cover because it did it with it off also. I really don't want tontake it to the dealer just to have them say they couldn't find it.
Racer
Joined: Sep 2017
Posts: 1,692
Likes: 382
From: nj
It's normal, I've heard this sound, especially shifting to Reverse, if you're on a garage floor or something with a more reflective surface, you can hear the sound better. I've changed my transmission fluid at 40-50k and recently at like 90k, it's probably what someone said above, transmission or engine mount
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Hbhandal
IS - 2nd Gen (2006-2013)
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Oct 21, 2013 10:18 AM