E 320 BLUETEC (211.022) V6-3.0L DSL Turbo (642.920) (2007)
Ball Joint: Testing and Inspection
AR33.20-P-0425I Check Supporting & Follower Joint of Steering Knuckle (Removed)
Checking Supporting Joint and Follower Joint Of Steering Knuckle Bearing (Removed)
Shown On Model 220, Part 1
Shown On Model 220, Part 2
Remove
1
Remove steering knuckle
NOTE: Do not remove front wheel hub.
2
Remove upper transverse control arm
Inspect
3
Move the ball pin in all directions with an approximately 150 mm long pipe
NOTE: The ball pin should move without play and without seizing, and should not cause any grinding noises.
4
Check supporting joint boot (7f) and follower joint boot (8f) of joints for cracks and damage.
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If the boot does not seal properly then replace the supporting joint or upper transverse control arm.