Clunking noise over bumps
A clunk or knock from the suspension when driving over bumps usually means something is worn or loose.
AreaNoises
UrgencyModerate
Can I keep driving? Drivable with care. Diagnose soon: performance, economy or other components can be affected.
Common causes
Worn anti-roll bar links
The most common cause, a light knock over uneven roads.
Worn control arm bushings or ball joints
Clunk under braking and over bumps.
Worn strut top mounts
Clunk when turning the steering or over bumps.
Broken coil spring
A spring can break at its end and clunk.
Loose exhaust
A heat shield or hanger knocking.
What to check
- Inspect suspension parts with the car lifted and the wheels hanging.
- Check anti-roll bar links for play.
- Look for broken spring coils.
- Check exhaust hangers and heat shields.
Other noises problems
General guidance only. A qualified technician can confirm the cause; brakes, steering and fuel leaks should be checked professionally if in doubt.