So, I've been searching and haven't really gotten all the answers I want to my problem. It seems pervasive enough that someone should be able to help me.

When I am accelerating from low RPMs to ~3k I frequently hear a rattle (someone here also described what I think is the same sound as a dragging chain) coming from under my car. I'm guessing this sound is coming from the tranny. I don't hear the infamous flywheel rattle when idling. I only hear this rattle sound when accelerating under load.

I recently had an HR y-pipe installed. I was hoping that the rattle I heard was from a heat-shield, and having the new y-pipe with the rubber dampers on it might help. Well, that didn't take care of anything.

This leaves me to believe that it is either coming from the tranny, or from a loose timing chain. What can I do on my own to determine what might be the cause? I'd really love to have this taken care of, since it is the only thing preventing me from fully appreciating my G.

Thanks.

 

Nothing? Looks like I'm going to the stealership then.

 

Throwing this out there...change fluids? That couldn't hurt...

 

Probably>>>>>>>>>>>>>https://g35driver.com/forums/engine-...xle-fixed.html

 

Not a clicking axle, had that already. Thanks though. It's a rattle.

 

could be the cats heat shield.

I've heard many people have these rattle.

 

Great, I'll check those. Can they be tightened down with the cats in the way? Maybe bent out of the way?

 

I have the same problem; i just noticed it a few days ago. It's especially noticable after a cold start. The "rattle" is through the 1-3k RPM range in first gear. After the car warms up, the rattle appears at roughly 3-3500RPM during acceleration.

 

I have an 06' 6MT with the same problem...i jus got mine about 2 months ago and when i bought it the dealer said he jus had a new clutch put in....i still dont kno wat the problem is tho

 

I noticed this problem in my 03 coupe last night. Its annoying me because I cant seem to figure out what it might be. Anyone figure out the rattling at low rpms?

I know this is an old thread, so maybe you all have found the solution(s)?

Thanks

 

I haven't noticed this in a while. Granted, it's winter and I haven't been driving with the windows down, but having my tranny flushed seemed to help. It may all be psychosomatic, though...

 

https://g35driver.com/forums/engine-...upe-video.html

you guys check this out? sound like that?

 

Just wanted to post an update on what's happened with my rattle. It's either significantly reduced or gone altogether now, and for a reason I would not have expected.

Today I just replaced my front brake pads. In the course of doing that, I noticed a lot of loose rust had built up in the caliper pistons. I knocked the rust out, of course, and went on to replace the pads.

When I took the car out afterwards to bed the pads, I notice that I wasn't having the low rpm rattle anymore. Now I'm not sure if it was the rust, new pads, or something else, but the noise seems to be gone. Well worth checking out if people are still hearing the rattle.

 

i get rattles everytime i need an oil change. its wierd.

 

This Could be enlarge the things...