Pontiac G8 2008-09 & Chevrolet SS 2014+ LSX based RWD 4-door sedans

G8 Steering wheel Shimmy

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Old 11-19-2014, 04:13 PM
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Default G8 Steering wheel Shimmy

Any one with a G8 that has a slight shimmy in the steering wheel?

I replaced everything on both sides except hubs
Struts
front control arms
ineer tie rods
outer tie rods
say bar link

I have aftermarket 20" rims with the centering rings
Eibach Pro springs.

it had the shimmy all the time befor I replaced everything now it just does it at 65MPH. but it seems to worsen on different roads.

is it as simple as the roads suck and the steering is so sensitive it feels everything?
Old 11-22-2014, 08:10 PM
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I had a bad wheel bearing so yours could be bad too. Were the wheels/tires road force balanced? If you have the stock wheels put those on and see if it goes away.
Old 11-22-2014, 08:42 PM
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Yeah I was thinking hub bearing was next step.

I did have wheels road forced balance... And unfortunately I dont have stock wheels. I purchased car used it came with 20" aftermarket... I prefer the stock look. But I need the GXP wheels the GT dont do the car justice
Old 11-23-2014, 01:39 PM
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If anyone is selling GXP wheels I'd be interested
Old 11-23-2014, 02:13 PM
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I've always had a slight vibration with aftermarket wheels, the stock wheels are vibration free even at triple digit speeds.



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