sup guys, i posted this up under the engine/drivetrain section, but maybe dave or someone here can help me. When i start the car, no problem, but i let it sit and idle, a chattering noise starts to happen under the car. I thought it was the testpipes or headers were loose and the the vibrations caused the noise, but i got a chance to to quickly slide under the car to investigate and it seems like it MIGHT be coming from my transmission or something. Now im not a huge car wiz so im hoping someone on here can help me out.

oh ps, sometimes when i gun it, i hear a little noise, like a wooshing kinda sound underneathe, but its not that loud.

its a 2003, 5at with the 3.5 rear diff

 

I know the manual's are loud as funk, not sure about automatics.

 

Hmmmm...from what I've read, I'd say your 6th gear has a problem

 

well i mean it just started recently happening. Maybe i need to flush my tranny fluid?

 

My test pipes rattle like crazy.

 

Are the exhaust components louder than they were before this noise started? You could have something loose, or maybe a leak.

 

90% of the time it's your aftermarket test pipes, exhaust, etc. That's just my personal experience.

 

It may be your diff.. a bolt may be rolling around in there waiting to pop out your diff and cost you.. It happend to me, same sound, etc..

 

if it was my dif, wouldnt the sound be coming more from the rear? how did you fix the issue? or how can u prevent it from becoming a problem?