society and community | March 19, 2026

How do I know if my lower control arm is bad?

How do I know if my lower control arm is bad?

Here are the most common symptoms of bad control arm bushings and ball joints:

  1. Clunking Noise. Specifically coming from the control arm and usually following a bump, braking, or a hard turn.
  2. Steering Wander. Pulling to the left or right without input from the steering wheel.
  3. Un-Even Tire Wear.
  4. Vibration.

What happens when a lower control arm fails?

The control arm bushings absorb the shock of road bumps. When it’s broken or incapable of functioning, the vehicle will continuously vibrate at the time of driving. It will also cause the metal sleeves of the control arm rattle uncontrollably, creating annoying clunking sound coming from the front wheels.

What does a failing control arm sound like?

There are many signs of a failing ball joint or control arm bushings including: Clicking, popping, or snapping sound when the wheel is turned. Eventually, the clicking and popping can turn into a squeaking sound at the end of a stop, when the gas pedal is used, and/or when turning the steering wheel.

How long can you drive on a bad lower control arm?

With the damaged or worn-out control arm, you can drive your vehicle for a week or less but it should be repaired as soon as you detect the problem through the methods given above before the suspension gets broken.

How do you test a lower control arm?

Checking the control arm bushings is pretty easy. Place a pry bar on the control arm near the bushing. Then attempt to move the control arm back and forth (you may also want to try moving it downward, depending on the bushing design). Don’t use a lot of force while doing this—be gentle.

Do you need to do an alignment after replacing lower control arms?

An alignment after replacing the lower control arm is absolutely required. Because the likelihood of the new control arm, (plus the other parts that should be replaced during this procedure), of being the EXACT same dimensions are extremely unlikely.

Do I need an alignment after replacing lower control arm?