Try the rear transmission support crossmember under the car. There is a TSB on the two exhaust hangers coming lose causing the rattling around the rpm's you are stating. The hangers only have folded metal tabs into the crossmember. My left hanger was barely lose by wiggling it with my hand and thats what had caused the rattling.
Hey.. Take a rubber mallet and tap on the bellhousing towards the front of it.. towards the engine.. see if you get the rattle then.. thats how i found mine.. took a mallet and started tapping on things..
-Jason
Rattle update!
I took my car in to the dealer. They did the TSB for the exhaust hanger. I drove away and....BZZZZZZZT! The rattle was still there.
I went back and told the service guy to look up any TSBs on the rattle, and went to tell the tech the bad news. He came out and I mentioned something about the bell housing. He said he's had that problem on the V10s (trucks) and would throw some foam tape in there and that would cure the problem
The service guy came back and handing me another TSB. This one wanted to DROP THE TRANSMISSION, and replace the bell housing shield and add some alignment pins and crap. I opted for the foam tape option first.
I saw the tech undo the bottom two bolts. He added some sort of foam tape strip in 2 places and bolted it back up, trimming the excess foam. He plucked the bell housing shield (before and after this procedure) and you could tell that the rattle was from there, and that it should be gone (after he was done).
Day 2 of driving reports NO rattle anymore. I've even saved weight by having a few less exhaust retainers.
It's the bell housing shield. That's the buzz rattle.
It's the bell housing shield. That's the buzz rattle.
Highvolts said:01-22-08 08:32 PM highvolts
Try the transmission bellhousing cover. Mine rattles at around 2800-3000 rpm. Took two bolts out and put RTV on the surface, put bolts back in. Problem Solved.
Didn't I say that about two months ago? LOL I'm glad its gone
I used RTV to fix my problem though.
LOL, highvolts called it. What's RTV? Was it an easy fix?
I'm no mechanic, but this looked simple enough.
He loosened the bottom two bolts of the bell housing and used a screwdriver to wedge it open a little, then got some of this foam tape stuff, and put some in two places...basically on either side, near the bottom.
Then, he re-installed the bolts.
To the point about the post made earlier....
I remember glancing at your comment about the bell housing as I ran off to print the TSB on the hanger thingies. Thanks to YOU, I was able to recall the word "bell housing" and that's what triggered his memory to fix it. So.... THANK YOU!
The car is once again a joy to drive.....revving through the RPMs with no fear of some stupid buzz rattle as you blast by someone with their windows down.
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