Suspension and Chassis Questions about your suspension? Need chassis advice?

I can't figure the problem out!

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Old Jul 16, 2009 | 04:03 PM
  #1  
Camaro Man 02's Avatar
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From: Indiana
Car: 1987 Camaro IROC-Z
Engine: 305 TPI
Transmission: 700R4
Axle/Gears: Idk
I can't figure the problem out!

Ok, i have been asking questions about the rattle on my car. It's not the brake pads, I have checked the bushings and bearings under the car and all of those are working fine, and also bolted down the inner fender panel. The quarter panels are secure. I bounce the car up and down in the back, and i dont hear anything. The left rear rattles a lot on our gravel road, i open the door and stick my head out, and its clearly something in the left rear. It sounds like something just dangling or metal-to-metal rattling. I'm only 17 and don't know how to work on suspension, and i don't want to take it to a repair shop and pay a fortune to get something fixed that does not affect the car. Its the only problem i have with the car. It would much more peaceful in the car if i did not have to hear that rattle.
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Old Jul 16, 2009 | 04:08 PM
  #2  
gotabekidding's Avatar
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From: Tickfaw, LA
Car: 91 & 88 GTA, 89 Formy, 89 bird
Engine: 3 - 350 TPI, 305 TBI
Transmission: All 700R4's
Axle/Gears: unknown
Re: I can't figure the problem out!

did you check the top shock bushing? (inside and under the car)

Start simple and cheap - first
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Old Jul 16, 2009 | 04:11 PM
  #3  
Camaro Man 02's Avatar
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From: Indiana
Car: 1987 Camaro IROC-Z
Engine: 305 TPI
Transmission: 700R4
Axle/Gears: Idk
Re: I can't figure the problem out!

I can't reach up in there. Do you have to take out the rear seats to get to that?
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Old Jul 16, 2009 | 05:12 PM
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UNCLE TOM's Avatar
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From: ms. gulf coast
Car: 91 R/S , 89 dodge p/u
Engine: L31 GM crate re-cammed , 318
Transmission: T-5 , 4 speed auto
Axle/Gears: 3.42 , ?
Re: I can't figure the problem out!

check the panhard/trace brace bar . on one of mine all 3 bolts had fallen out . made a heck of a rattle . the bar runs from the pass. side of rear axle to the body on drivers side under the car . the bolts are metric , 15mm head as i recall . good luck .
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Old Jul 16, 2009 | 06:19 PM
  #5  
//<86TA>\\'s Avatar
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From: Central NJ
Car: 86 Trans Am
Engine: 408 stroker sbc
Transmission: TKO600
Axle/Gears: Moser full floater m9, 3:70 trutrac
Re: I can't figure the problem out!

its not the door handle is it?

check the exhaust, hangers, tailpiipe.

sway bar mounts
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Old Jul 16, 2009 | 07:06 PM
  #6  
Camaro Man 02's Avatar
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From: Indiana
Car: 1987 Camaro IROC-Z
Engine: 305 TPI
Transmission: 700R4
Axle/Gears: Idk
Re: I can't figure the problem out!

ok, i just looked at the top rear shock mount, and the bushing was bad. i fixed it, and that still didn't fix it. its somewhere in the tire/brakes/rim area. its soo freakin annoying.
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Old Jul 16, 2009 | 07:07 PM
  #7  
Camaro Man 02's Avatar
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From: Indiana
Car: 1987 Camaro IROC-Z
Engine: 305 TPI
Transmission: 700R4
Axle/Gears: Idk
Re: I can't figure the problem out!

i was wondering, maybe if the top shock bushing is bad, maybe the bottom one is too. how can you tell if the bottom one is bad?
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Old Jul 16, 2009 | 07:08 PM
  #8  
Twin_Turbo's Avatar
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Posts: 5,364
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From: Enschede, Netherlands
Car: 82 TA 87 IZ L98 88 IZ LB9 88 IZ L98
Engine: 5.7TBI 5,7TPI 5.0TPI, 5,7TPI
Transmission: T5, 700R4, T5, 700R4
Axle/Gears: 3.08, 3.27, 3.45, 3.27
Re: I can't figure the problem out!

Have you checked the license plate frame? I know mine makes a rattling noise over rough roads. Sounds metallic.
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Old Jul 16, 2009 | 07:24 PM
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UNCLE TOM's Avatar
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From: ms. gulf coast
Car: 91 R/S , 89 dodge p/u
Engine: L31 GM crate re-cammed , 318
Transmission: T-5 , 4 speed auto
Axle/Gears: 3.42 , ?
Re: I can't figure the problem out!

Originally Posted by UNCLE TOM
check the panhard/trace brace bar . on one of mine all 3 bolts had fallen out . made a heck of a rattle . the bar runs from the pass. side of rear axle to the body on drivers side under the car . the bolts are metric , 15mm head as i recall . good luck .
have you checked this ???
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Old Jul 16, 2009 | 08:01 PM
  #10  
Camaro Man 02's Avatar
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From: Indiana
Car: 1987 Camaro IROC-Z
Engine: 305 TPI
Transmission: 700R4
Axle/Gears: Idk
Re: I can't figure the problem out!

ok, i totally forgot about this. this will probably narrow it down a lot. it does not rattle when i drag the brakes. say 10 mph normal-it really rattles. 10 mph plus dragging brakes-no rattle.
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Old Jul 16, 2009 | 08:23 PM
  #11  
dust3r's Avatar
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From: Walnut, CA
Car: 1986 z28 & 1992 z28
Engine: 305 TPI
Transmission: 700-R4
Re: I can't figure the problem out!

Did you check the sway bar end links?
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