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Front to back rocking motion when easing off brakes.

 
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Old 19 May 2011, 07:42 pm
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Default Front to back rocking motion when easing off brakes.

Just bought a used 2001 PT cruiser and it seems ok when driving however it exhibits an unusual front to back rocking motion as I ease off of the brakes like at a stop light? Its sort of like a slight push/pull feeling that you can feel only as you ease off the brakes without letting them go completely. Any car as you ease off the brakes is usually smooth and steady. There are no unusual sounds that I can pinpoint as the cause. This symptom was not that noticeable when I test drove it but I am very eager to understand what could be producing this front to back rocking symptom so that it can be corrected. Please help.
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Old 19 May 2011, 07:57 pm
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Default Re: Front to back rocking motion when easing off brakes.

when you come to a complete stop, do you bottom out?
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Old 19 May 2011, 08:04 pm
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Default Re: Front to back rocking motion when easing off brakes.

No, when i come to a stop the brakes don't bottom out.
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Old 19 May 2011, 08:08 pm
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Default Re: Front to back rocking motion when easing off brakes.

i meant does the nose of the car dip lower then usual. does it ever scrape the ground when stopping?
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Old 19 May 2011, 08:15 pm
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Default Re: Front to back rocking motion when easing off brakes.

Sorry, and to answer your question the nose doesn't dip lower than usual or scrapes the ground when stopping. I should also mention that two motor mounts were replaced because it was beleived to be a probable cause however it still did not make a difference.
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Old 19 May 2011, 08:23 pm
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Default Re: Front to back rocking motion when easing off brakes.

ok, well, i'm all outta idea's hopefully someone will come along and help you out. Good luck
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Old 19 May 2011, 08:32 pm
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Smile Re: Front to back rocking motion when easing off brakes.

Thanks for your help WolfmanG! Hopefully I'll be able to pinpoint whats causing this.
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Old 21 May 2011, 11:19 pm
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Default Re: Front to back rocking motion when easing off brakes.

control arm bushings worn out?
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