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Old 10-27-2004, 09:40 PM   #1
JeffrWRX
Scooby Specialist
 
Member#: 48589
Join Date: Nov 2003
Chapter/Region: SCIC
Location: Murrieta, CA
Vehicle:
2003 911 Carrera 4S
2020 Ascent *Lifted*

Default funky noise at 3000RPMS

I have a bone stock 2004 RS (stick) with 20k miles.

I have noticed recently when I am accelerating or decelerating in gear and I hit around 3000-3500 RPMs there is a pronounced rattling noise coming from the engine bay. It is hard to explain, but its sounds as if something is clanking around really fast and goes away when I either rev up or let the RPM's drop lower. I can also have the car at idle and give it gas upto 3000RPMs and it will make the noise. So it makes the noise, in gear, out of gear, clutch in or out.

I had my roomate stand in front of the car and listen to see where it was coming from and he said it sounded like it was coming from the airbox or right underneath it on the drivers side. I replaced the stock airfilter with a K&N and the noise is still there. I dunno if something is loose or the noise is normal and Im just noticing it?

I know its hard to diagnose something with just a description of a noise but its worth a shot.

Its a stong roar like rattle that is fast passed. I have been in older cars that make this noise.

I just did a service on my car, Mobil 1 oil change.

-Jeff
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