Inspection

UPPER LINK

Inspection and Adjustment


ADJUSTMENT BEFORE REMOVAL

Adjust neutral position of 4WAS front actuator. (With 4WAS) Work Procedure (Pattern 1).

INSPECTION AFTER REMOVAL

Appearance
Check the following items, and replace the part if necessary.
- Upper link and bushing for deformation, cracks or damage.
- Ball joint boot for cracks or other damage, and also for grease leakage.
Ball Joint Inspection
Manually move ball stud to confirm it moves smoothly with no binding.
Swing Torque Inspection
1.Move the ball stud at least ten times by hand to check for smooth movement.





2.Hook a spring balance (A) at cutout on ball stud. Confirm spring balance measurement value is within specifications when ball stud begins moving.
Swing torque: Front Suspension.
- f swing torque exceeds standard range, replace upper link assembly.
Axial End Play Inspection
1.Move the ball stud at least ten times by hand to check for smooth movement.
2.Move tip of ball stud in axial direction to check for looseness.
Axial end play: Front Suspension.
- If axial end play exceeds standard range, replace upper link assembly.

INSPECTION AFTER INSTALLATION

1.Check wheel sensor harness for proper connection. Exploded View.
2.Check wheel alignment. Front Suspension.
3.Adjust neutral position of steering angle sensor. (Without 4WAS) Work Procedure.
4.Adjust neutral position of 4WAS front actuator. (With 4WAS) Work Procedure (Pattern 2).