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Sep 30, 2016 | 09:02 AM

C4papasan

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Joined: Dec 2013

Posts: 60

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From: sarasota fl

washboard vibration

92 auto coupe with 70K miles

On rough surfaced paved roadways, (not on smooth) intermittently get washboard like vibration from passenger front, only when I accelerate firmly as when entering from on-ramp, or accelerating to pass...no problems when release pedal or with slow acceleration at same speed range...

any ideas...(tires about !yr old)

Thanks

Sep 30, 2016 | 09:57 AM

RUU

Melting Slicks

Joined: Jul 2008

Posts: 2,269

Likes: 142

From: Ottawa Ontario

Ball joint, tie rod end and wheel bearing is where I would start. Those would all be affected when the front suspension is unloaded from acceleration.

Sep 30, 2016 | 11:47 AM

C4papasan

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Joined: Dec 2013

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From: sarasota fl

Quote:

Originally Posted by RUU

Ball joint, tie rod end and wheel bearing is where I would start. Those would all be affected when the front suspension is unloaded from acceleration.

Thanks...

Any way for me to tell which it might be?
Should both sides be replaced at same time?
Should all 3 be replaced at same time ?

Sep 30, 2016 | 01:24 PM

RUU

Melting Slicks

Joined: Jul 2008

Posts: 2,269

Likes: 142

From: Ottawa Ontario

All three can be checked individually. Usually, suspension components are replaced in pairs.

Oct 1, 2016 | 02:09 AM

JrRifleCoach

Team Owner

Joined: Sep 2003

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From: Freedom is never more than one generation away from extinction.

St. Jude '03 thru '24

Shocks.
Replace all four and drive on

Oct 1, 2016 | 10:20 PM

Barchetta

Racer

Joined: Dec 2012

Posts: 277

Likes: 9

From: Clark County Nevada

Tire out of round or not balanced correctly. Had the same issue. Fix tire and problem went away. I would first try having all your tires Road Force balanced. Call the tire shop and ask what day of the week they calibrate their machine and go there the next day.