Lancer Sportback L4-2.4L (4B12) (2010)
Ball Joint: Testing and Inspection
Front Suspension
Lower Arm Ball Joint End Play Check
LOWER ARM BALL JOINT END PLAY CHECK
1. Raise the vehicle.
2. Remove the stabilizer link from the lower arm.
3. Move the lower arm up and down with your hands to check for an excessive play in the axial direction of the ball joint. If there is an excessive
play, replace the lower arm assembly.
Lower Arm Ball Joint Rotation Starting Torque
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: 2.2 - 4.1 Nm (19 - 36 in-lb)
2. If the measured value exceeds the standard range, replace the lower arm assembly.
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
BALL JOINT DUST COVER CHECK
LOWER ARM BALL JOINT DUST COVER CHECK
1. Using your fingers, press the dust cover to check for a crack or damage.
2. If the dust cover is cracked or damaged, replace the lower arm assembly.
NOTE: If the dust cover has a crack or damage, the ball joint could be damage.