Car encyclopedia

Control Arm Bushing

A control arm bushing is a steel sleeve surrounded by neoprene rubber (sometimes polyurethane) that is pressed into the control arm. Typically, a large bolt or pin goes through the center of the bushing to secure the control arm to the subframe.

Symptoms of Wear or Failure

  • Suspension may make a knocking and/or squeaking noise when going over bumps
  • Vehicle may wander
  • Uneven tire wear

Related Repair Advice

  • If possible, we recommend replacing control arm bushings as a set, especially on vehicles subject to heavy usage.
  • In some cases, the control arm must be replaced in order to replace the bushings
  • Replacing the control may affect the alignment's settings. We recommend a four-wheel alignment when the ball joints are replaced.

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