Operation CHARM: Car repair manuals for everyone.

Ball Joint: Testing and Inspection


Ball joint, checking

Checking axial play





^ Pull ball joint down and press up again.

Checking radial play





^ Press lower part of wheel outward and inward.

Notes:
^ There must be no perceptible or visual "play" when carrying out both tests.
^ Observe ball joint during checks.
^ Take into account possible existing wheel bearing play or "play" in upper suspension strut mounting.
^ Check rubber boot for damage, replace ball joint if necessary