noise from rear

[Muller857]

Hey guys, i just bought Illinisvt's cobra, 03 tenth red coupe. Have had it for a week or so and it has been great, i have heard a little knockin noise once and a while from the back of the car while driving. Tonight the noise has become worse and it happens whenever i am turning over like 10 mph. more when i turn left than right. and its not just one knock now, its few in a row throughout the turn. i am not very familiar with the irs on these cars, i plan on jackin it up tomorrow and takin a look at. Any ideas appreciated, thanks guys Jason

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[Muller857]

I lied it does it more when i turn right than left. sorry

 

[ShelbyGuy]

Jack up under the control arm and see if you can wiggle the wheel & tire assembly. You should not be able to. If you can, check to see where the slop is. If the wheel moves relative to the knuckle, its most likely the wheel bearing and hub (replace both). If the wheel and knuckle move together, it is most likely the toe link rod or its rod ends. Less likely, but still possible, is the uni-ball joint going bad where the control arm meets the knuckle.

 

[Dana]

Also check the lower control arm front bolts.
They were undersided from the factory and may have loosened up.

 

[ILLINI-SVT]

Jason, maybe you're hearing the missing weld point between the trunk and the rear 1/4 panel on the passenger side? There was a thread around here somewhere about that, it's a factory issue. I used to hear it occasionally, never enough to bother me though.

Maybe I dropped a socket in the trunk when I was cleaning it out? Possibly down in the spare tire well?

I just changed those rotors on the rear last month, and had the front ones machined. I didn't notice any excess play or linkage problems, I don't think that's it.

 

[ILLINI-SVT]

here ya go...

http://www.chicagosvt.com/forums/showthread.php3?t=5330

check that out. it never did it enough to bother me? but i always had a heavy toolbox in the trunk too, maybe weighed the panel down more?

 

[Muller857]

I bet its the bolt issue with the lower control arms. I will check them out tomorrow night after work. what bolts should i replace them with? Kevin, you told me about that 1/4 panel weld problem, i hear that once in a while but this was different and just started yesterday. otherwise the car is great. i cant wait to get a little traction when the its gets warmer out.

 

[blubyu]

Jack up under the control arm and see if you can wiggle the wheel & tire assembly. You should not be able to. If you can, check to see where the slop is. If the wheel moves relative to the knuckle, its most likely the wheel bearing and hub (replace both). If the wheel and knuckle move together, it is most likely the toe link rod or its rod ends. Less likely, but still possible, is the uni-ball joint going bad where the control arm meets the knuckle.

Where the hell have you been hiding?
Welcome back!

 

[FirstWorldProblems]

Where the hell have you been hiding?
Welcome back!

+1 John! Get yer ass to the shoutbox lol.

 

[SNAKE IZ]

Check where the sway bar and it bolts to --to see if any excess weld was left the dealer removed it and the incline and turn to the right pop was eliminated

 

[Muller857]

Ya it does happen when im on an incline and turning right, other wise its hard to get it to happen. Did you have this problem and fixed it? where is this weld? thanks

 

[SNAKE IZ]

If you call Packey Webb and ask for the service manager i think its Tim and tell him your having same problem as Jim with the sonic blue cobra about year to year 1/2 ago and he should be able to point you in the right direction.