Upper Arm

Upper Arm

Removal
1
WARNING: Do not work on or under a vehicle supported only by a jack. Always support the vehicle on safety stands.
Raise and support the vehicle.
2 Remove the wheel and tire.
3
CAUTION: Always plug any open connections to prevent contamination.
Remove the brake tube.
- Disconnect the 2 brake tube unions.
- Remove the brake hose clips and release the hoses.
- Release the brake tube from the clip.
4 Disconnect the height sensor link.




5 Release the wheel speed sensor lead.




6 RH side only: Release the brake pad wear indicator sensor lead.




7 Remove the upper arm.
- Loosen the upper arm bolts.
- Mark the position of the bolt in relation to the upper arm.
- Remove the nut and bolt, then release the upper arm from the wheel knuckle.
- Remove the upper arm bolts.

Installation
1 Install the upper arm.
- Fit the bolts but do not fully tighten at this stage.




2 Set the height, between the center of the halfshaft end and the edge of the fender trim, to 463 mm (18.23'').
- Support with an axle stand.
3
CAUTION: Make sure the ball joint seal is not damaged. A damaged seal will lead to the premature failure of the joint.
Connect the upper arm and wheel knuckle.
- Align the bolt to the marks made previously.
- Tighten the bolt to 133 Nm (98 lb.ft).
4 Tighten the upper arm front bolt to 175 Nm (129 lb.ft).
5 Tighten the upper arm rear bolt to 275 Nm (203 lb.ft).
6 Secure the wheel speed sensor lead.
7 Secure the brake pad wear indicator sensor lead.
8 Connect the height sensor link.
9 Install the brake tube.
- Tighten the brake tube unions to 18 Nm (13 lb.ft).

10 Bleed the brake system. For additional information, refer to Component Bleeding Component Bleeding

11 Install the wheel and tire.
- Tighten the wheel nuts to 140 Nm (103 lb.ft).

12 Carry out the wheel alignment procedure.