- Check the bushing for wear and deterioration.
- Check the lower arm for bend or breakage.
- Check all bolts for condition and straightness.
LOWER ARM BALL JOINT STARTING TORQUE CHECK
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- After shaking the ball joint stud several times, use special tool preload socket (MB991006) to measure the starting torque of the ball joint.
Standard value: 0 -
3.9 N·m
- If the measured value is not within the standard value, or if the ball joint is difficult to turn or does not turn smoothly, replace the lower arm assembly.
LOWER ARM BALL JOINT DUST COVER CHECK
- Check the dust cover for cracks or damage by pushing it with your finger.
- If the dust cover is cracked or damaged, replace the lower arm assembly.
NOTE: Cracks or damage to the dust cover may cause damage to the ball joint. When it is damaged during service work, replace the dust cover.