Bad Sway Bar Link
A bad sway bar link can make clunks over bumps, especially one-wheel bumps or driveway entrances.
Can I Drive?
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Most Likely Causes
- 1
Loose link ball joint
The small joint in the link develops play.
- 2
Broken link or bushing
The link or bushing can split or separate.
- 3
Loose mounting nut
Hardware can loosen after service or corrosion.
- 4
Sway bar bushing wear
A worn frame bushing can mimic link noise.
How to Diagnose It
- 1
Inspect link play by hand or pry bar
Check both sides with the vehicle safely supported.
Tool: Jack stands, pry bar
- 2
Listen on one-wheel bumps
Sway links often clunk when only one side of the suspension moves.
Tool: Safe road test
- 3
Inspect sway bar frame bushings
Look for cracked bushings or bar movement at the mounts.
Tool: Flashlight
How to Fix It
Replace worn sway bar links
Replace links that have play, torn boots, or broken studs.
Replace frame bushings if worn
Install correct-size sway bar bushings if the bar moves in the brackets.
Tighten hardware to spec
Loose link nuts can create repeat noise.
Mistakes to Avoid
- Do not blame struts for every small clunk before checking sway bar links.
- Do not drive long-term with a broken sway link if handling feels unstable.
- Do not overtighten link hardware in a way that crushes bushings beyond design.