Symptoms
- High-pitched squeak over bumps or when the suspension compresses
- No squeak when the car is stationary, only in motion
- Sound seems to come from one corner of the car
Likely causes
- CommonDry or worn rubber bushingRubber bushings can dry out and squeak as they flex, especially in cold weather.
- CommonDry ball joint or sway bar linkGrease-filled joints can squeak once the grease dries out or the boot fails.
- PossibleWorn strut bearingA dry or worn strut bearing can squeak under suspension movement.
What to do
- Have a helper bounce each corner of the car while you listen closely for the squeak's location.
- Inspect visible bushings, sway bar links, and ball joint boots for cracking or dryness.
- Try lightly lubricating accessible squeaky rubber bushings with a rubber-safe lubricant as a temporary fix.
- Have a mechanic identify and grease or replace the specific dry or worn component if lubrication doesn't resolve it.
- Recheck for the noise after any repair by driving over the same bumps.
Tools and parts
- Rubber-safe lubricant
Sway bar bushing or linkSearch: “sway bar bushing for [your car model]”
When to call a pro
If lubrication doesn't fix a persistent squeak, a mechanic can identify and replace the specific worn bushing or joint.
Safety
Generally low risk
Generally low risk for a careful person. Stop if anything looks different from what this guide describes.