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All Symptoms

Clunking noise over bumps or potholes

Needs attention soon

knocking sound over bumps · rattling over bumps

Symptom description

A clunk, knock or rattle heard from the suspension area whenever a wheel goes over a bump, pothole or uneven pavement.

Common causes

  • Worn sway bar end links (very common, relatively cheap fix)
  • Worn strut mounts or bushings
  • Loose or worn suspension bushings
  • A loose heat shield or exhaust hanger (if the sound is more of a rattle than a clunk)

What to check

A workshop can usually pinpoint this quickly by physically shaking the suspension components with the car on a lift.

Can you keep driving?

Usually safe for daily driving short-term, but worn suspension parts affect handling and tire wear, so do not put it off indefinitely.

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Descriptions are for guidance only and do not replace a workshop inspection. If you are ever unsure whether it is safe to keep driving, pull over in a safe spot.

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