Classic Mustangs (Tech) Technical discussions about the Mustangs of yester-year.

bump steer

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Old Nov 20, 2007 | 11:50 PM
  #1  
66ckurt's Avatar
66ckurt
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Default bump steer

I think i have a bit of a case of bump steer but im not sure. It likes to suddenly jerk to the left when going at roughly 30mph and lower but not when it gets up higher. Anyone got some symtoms of bump steer and can reference to.
Old Nov 21, 2007 | 12:01 AM
  #2  
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Starfury
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Default RE: bump steer

If you do, it's because of worn suspension parts. Bump steer is caused by toe angle changes during suspension travel; you hit a bump, the tire points a different direction and tries to take the car with it.

On a car without any suspension modification (ie extreme UCA relocation), the only cause of this is from worn suspension components. Take the car to an alignment shop and get the suspension checked out.
Old Nov 21, 2007 | 12:13 AM
  #3  
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66ckurt
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Default RE: bump steer

all my suspension is new with a 1 inch drop from the springs. I didn;t do the shelby drop to it.
Old Nov 21, 2007 | 01:06 AM
  #4  
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Default RE: bump steer

Tcp or baer tracker tie rod ends will help alot.
Old Nov 21, 2007 | 07:25 AM
  #5  
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Norm Peterson
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Default RE: bump steer

If it only goes to the left, it sounds like something besides bumpsteer isn't right.


Norm
Old Nov 21, 2007 | 11:19 AM
  #6  
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Default RE: bump steer

wandering suspension is not always bump-steer. Read my artical on Mustang suspension and bump-steer and it should give you a complete understanding of what might be going on, and better yet how to deal with it.
Understanding Mustang Suspension and Bump-Steer

Old Nov 21, 2007 | 08:16 PM
  #7  
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Default RE: bump steer

Mines used to do the same thing bad a couple of times changed lanes.
Worn out steering box was the problem.
Old Nov 21, 2007 | 09:19 PM
  #8  
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66ckurt
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Default RE: bump steer

daze that was an awsome read i definately would recommend that to anyone with problems. I think next pay check ill get on the tie rods, shelby drop and roller perchs.
Old Nov 21, 2007 | 10:37 PM
  #9  
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Daze
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Default RE: bump steer

Glad I could help!!! If you want to get the roller perches from me I can give you a little discount.
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