Control Arm: Testing and Inspection

INSPECTION

- 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 ROTATION STARTING TORQUE

Required Special Tool:

- MB991006: Preload socket





1. Move the lower arm ball joint stud back and forth for several times, and measure the lower arm ball joint rotation starting torque using special tool MB991006.
Standard value: 7.0 - 9.0Nm (62 - 79 in-lb)
2. If the measured value exceeds the standard range, replace the lower arm assembly (Refer to Lower Arm Removal and Installation).
3. Even if the measured value is within the standard range, check the lower arm ball joint that there is no looseness or gritty feeling. If there is no looseness or gritty feeling, it is judged as usable.

LOWER ARM BALL JOINT DUST COVER CHECK

(Refer to Ball Joint Dust Cover Inspection)