PROBLEMS — SUSPENSION
Knocking sound over bumps?
A knock, clunk or rattle over speed humps usually comes from worn suspension or steering parts.
Common causes
01
Anti-roll bar links
A very common source of knocks on uneven roads.
02
Control arm bushes
Cracked or worn bushes allow movement.
03
Ball joints & tie rods
Wear here also affects steering precision — a safety issue.
04
Shock absorber mounts
Worn top mounts knock over bumps.