rattling,heat sheild or cat?help

[IceBird]

Is it the heat shield suronding the cat or the shield bolted under the floor directly above the cat? I have this same problem and it makes my car sound like ****. Every time i bring my car into the dealer for warranty work i tell there *** to fix it and it never gets done. They "never find anything" and i tell them (sarcasticly
) the same thing every time "well it sounds like **** and im pretty sure its not the sound GM was shooting for so maybe youll fix it next time". Im pretty sure if i rip either heat shield off they will screw me on my warranty.

[ May 01, 2005, 08:54 PM: Message edited by: IceBird ]

[loser]

just rip it off, i went under my car the other day, im pretty sure thats what it is but i couldnt get it off with my bare hands and i didnt feel like getting something to rip it off. i dont have my lisences yet so its not a big deal. and if they even notice its off, just tell them it fell off going down the road one day.

[KenDawg]

hmmm, have you greased the bearings in you cat?

[KenDawg]

guess not.

[IceBird]

No one answered you because they didnt know weather you where trying to screw around with us or if you really believed that is possible...

[gauntlet009]

He did it because one if your asking that question you dont have much car knowledge and two,that question has been asked about five times so if you would just search....

[KenDawg]

Originally posted by gauntlet009:
He did it because one if your asking that question you dont have much car knowledge and two,that question has been asked about five times so if you would just search....

word...

[Nbajwill55]

Originally posted by Red:
I have gone through 3 cats since i got my car in 2000 and everytime it went bad it had the same sound. Almost like shaking a spray paint can. It had that sound all the time, not just when shifting or bumps. I really noticed when driving by a wall.

I have this same problem, but it sounds like it's coming from my belt. It's not my cat (because that's making a totally different rattling noise), or the heat shield (had it checked out already). It's also not the torque converter, at least Aamco said it wasn't. I can't find where this thing is coming from!!!

anyone?!

[Muttled]

When mine rattled it was the exhaust clip holding the catback onto the s-pipe that was digging into the underbody and rattling everything.

[Nbajwill55]

and it was that metal-on-metal sound coming from somewhere under the engine?

[Muttled]

Yeah, it sounded like stuff was slamming together and about to explode [img]smile.gif[/img]

You could also feel it through the floor almost directly under you at higher RPMs.

[IMTHEPUNISHER]

Here's what happened 2 my jobby...installed Flowmaster Cat-Back system w/ just clamps...rattled pretty bad, so I took it to a shop 2 have everythin' welded up proper-like, an' also so they could look at the Cat-Conv. They said the exhaust was vibrating an' hittin' on a crossmember (same side as you're sayin'), also informed me that my Cat. was still (BARELY) under factory warranty. Dealership replaced the Cat. (FREEBIE, Baybee!! "$900+" 4 factory Cat. an' install otherwise, supposedly) But here's the real "kicker", I guess a coupla' bolts were BROKE on the exhaust manifold, which is what was causin' the whole deal 2 contact underneath, etc. Apparently, this is fairly common, so U might wanna' check it out. ;)