text.skipToContent text.skipToNavigation


Control Arms act as a pivot point for the tires by fixing steering components to the vehicle. There are two basic designs, the wishbone (two points of attachments) and the single pivot design. Ball joints can be pressed in or bolted on to the control arm.



What is a Control Arm

The wishbone style control arm is more stable in lateral movement than single pivot design. Single pivot control arm design is lighter and takes up less room than the wishbone design, but needs additional components to get the same lateral movement experience as the wishbone design.

How Does a Control Arm Work?

Control arms fix steering components to the vehicle and act as a pivot point for the tires.

How Is a Control Arms Made?

Control arms are cast as either forged steel or aluminum.

How Does a Control Arms Fail?

  • Control arms fail when they are worn out or damaged.

What Are the Symptoms of Failure?

  • Increased tire wear.
  • Uneven tire wear.
  • Clunking noise on bumps or turns.
  • Front end shimmy.
  • Hard steering.

What Are the Consequences of Failure?

  • Angle of the tire can cause an abrupt halt or tire damage
  • Debris can cause damage to others.

The carburetor is a very clever invention that has stood the test of time. It was in widespread use, until the introduction of more complicated fuel injection systems.

If you have questions or concerns about Carburetors or any of your vehicle’s components, come into your local Pep Boys where we can answer any question, help you find any part, or perform any vehicle service you might need.