Upper Arm Removal and Installation

Upper Arm Removal and Installation

Removal

1) Hoist vehicle and remove rear wheel.
2) Remove control rod refer to Control Rod Removal and Installation Control Rod Removal and Installation.
3) Remove trailing rod refer to Removal and Replacement Trailing Rod Removal and Installation.
4) Remove lower arm refer to Lower Arm Removal and Installation Lower Arm Removal and Installation.
5) Remove rear suspension knuckle refer to Rear Suspension knuckle Removal and Installation Rear Suspension knuckle Removal and Installation.
6) Remove rear wheel speed sensor harness clamp bolts (1) from upper arm (2).





7) Remove upper arm bolts (1) and then upper arm (2).






Installation

1) Install upper arm.
a) Install upper arm (2) to rear suspension frame.
b) Insert upper arm bolt (1) from the upper arm inside.
c) Tighten upper arm mount nuts (3) temporarily by hand.

NOTE:
The upper arm mount nuts are pre-coated with friction stabilizer. If these bolts are reused, they may work loose.

Be sure to replace the upper arm mount nuts with new ones whenever they are removed.





2) Tighten rear wheel speed sensor harness clamp bolts (1) to specified torque.

Tightening torque
Rear wheel speed sensor harness clamp bolt (a): 11 Nm (1.1 kgf-m, 8.5 lbf-ft)





3) Install rear suspension knuckle refer to Rear Suspension knuckle Removal and Installation Rear Suspension knuckle Removal and Installation.
4) Install trailing rod refer to Removal and Replacement Trailing Rod Removal and Installation.
5) Install control rod refer to Control Rod Removal and Installation Control Rod Removal and Installation.
6) Install lower arm refer to Lower Arm Removal and Installation Lower Arm Removal and Installation.
7) Install rear wheels and lower hoist. Removal and Replacement
8) Tighten each bolts and nuts to specified torque with vehicle weight on suspension.

NOTE:
- It is the most desirable to have vehicle off hoist and in non-loaded condition when tightening them.
- Tighten lower arm washer and control rod washer with match marks aligned.

Tightening torque
Upper arm mount nut 128 Nm (13.1 kgf-m, 94.5 lbf-ft)
Shock absorber upper bolt 60 Nm (6.0 kgf-m, 43.5 lbf-ft)
Shock absorber lower bolt 90 Nm (9.0 kgf-m, 65.0 lbf-ft)
Lower arm outer bolt 128 Nm (13.1 kgf-m, 94.5 lbf-ft)
Lower arm mount nut 128 Nm (13.1 kgf-m, 94.5 lbf-ft)
Control rod outer bolt 128 Nm (13.1 kgf-m, 94.5 lbf-ft)
Control rod mount nut 128 Nm (13.1 kgf-m, 94.5 lbf-ft)
Trailing rod rear bolt 128 Nm (13.1 kgf-m, 94.5 lbf-ft)
Trailing rod mount nut 128 Nm (13.1 kgf-m, 94.5 lbf-ft)

9) Check rear toe and camber adjust it as necessary. For check and adjustment procedures, refer to Rear Suspension Rear Wheel Alignment Inspection and Adjustment.