Help Please! Car Jumps when I Hit the gas/Let off - Suspension and Brake Forum

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Help Please! Car Jumps when I Hit the gas/Let off
Wednesday, November 11, 2009 8:24 PM
Hi everyone! Geez its been forever since i been on here. Been really busy and not even driving the car much but now im back on it and going to fix it up. Ok to my problem....

Ok so the problem started off when i slid in the rain and slammed into a curb really hard. It bent the control arm pretty bad. So after fighting to get that off and replacing that i take it to get an alignment. He did the thing right, well the paper work shows its good. Right when i left it started to do this.. When i give the car gas it jumps to the right, and when i let go of the gas it jumps to the left. Its pretty bad it already ruined my tires i had on it. I just got new tires and i don't want it to happen to those. I took it back right after i left the shop and he told me it was probably a bolt i did not tighten good enough when i put the control arm on.

Has anyone heard of something like this happening before? Maybe someone knows what i need to tighten? Or maybe its something else? I am really stuck on this one and desperately need information from you experts.
If you need any more info please let me know. Thanks for reading!!

My car is a 97 Sunfire GT

Re: Help Please! Car Jumps when I Hit the gas/Let off
Wednesday, November 11, 2009 8:46 PM
Control arm bushings or wheel bearings?



Re: Help Please! Car Jumps when I Hit the gas/Let off
Wednesday, November 11, 2009 9:33 PM
just check over every nut and bolt in the steering and suspension systems, thats where i would start
Re: Help Please! Car Jumps when I Hit the gas/Let off
Friday, November 13, 2009 9:01 AM
damnit i found the problem... after removing the lower mount and checking the bolt going into the control arm bushing i see its free spinning..then i look at the end where the bolt is going and the damn weld is broke off it and its just spinning with the bolt!!

Am i going to have to replace the subframe now? Is that hard to do in my driveway? This sucks! booo
Re: Help Please! Car Jumps when I Hit the gas/Let off
Friday, November 13, 2009 9:34 AM
Found a sub frame for $60 at a yard, so thats not to bad!

Is there anything else i should replace while i have the subframe off?

Any suggestions?
Re: Help Please! Car Jumps when I Hit the gas/Let off
Friday, November 13, 2009 11:25 AM
Change your bushings. The vertical rubber bushing cant take the beating that the loose bolt did to it. Might as well change all of it since you're going to have to remove the lower control arms anyways. I would recommend polyurethane.







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NCR-SCCA
Re: Help Please! Car Jumps when I Hit the gas/Let off
Friday, November 13, 2009 7:59 PM
Where is a good place to get poly bushings?
Re: Help Please! Car Jumps when I Hit the gas/Let off
Friday, November 13, 2009 10:12 PM
Car Customs Control Arm Bushings [CC-0006] $32.50 with free shipping

Turbo Tech Racing Control Arm Bushings Cavalier/Sunfire 1995-05 $39.99 plus shipping

I support our org members. Your choice. They are both respectable vendors.





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NCR-SCCA
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