Front Trailing Arm and Bushes
TRAILING ARM AND BUSHESRemove
1. Raise vehicle on four post lift.
2. Depressurize air suspension, refer to Air Suspension/Testing and Inspection/Procedures/Depressurize System Testing and Inspection
3. Raise rear of vehicle to give enough clearance for shock absorber to be disconnected.
4. Remove nut securing shock absorber to axle. Release shock absorber, collect mounting rubbers.
5. Release height sensor link from trailing arm.
CAUTION: Ensure that rubber mounting does not become damaged.
6. Remove 2 nuts and bolts securing trailing arm to axle.
7. Remove nut and bolt securing trailing arm to chassis.
8. Remove trailing arm.
Do not carry out further dismantling if component is removed for access only.
9. Using LRT-64-001, press bush from trailing arm.
10. Using LRT-64-001, press new bush into trailing arm.
CAUTION: LRT-64-001 must be used to compress the bush as it is pressed into the arm. Damage to bush will result if correct tool is not used.
Refit
11. Position trailing arm to vehicle and align to chassis. Fit bolt but do not tighten at this stage.
12. Secure trailing arm to axle with nuts and bolts.
M16 with 8.8 strength grade - Tighten to 160 Nm (118 ft lbs)
M16 with 10.9 strength grade - Tighten to 240 Nm (177 ft lbs)
M12- Tighten to 125 Nm (92 ft lbs.).
13. Engage height sensor link into trailing arm location.
14. Position upper mounting rubber. Engage shock absorber to axle.
15. Position lower mounting rubber and washer. Secure shock absorber to axle with nut. Tighten to 45 Nm. (33 ft lbs.).
CAUTION: Washer must be fitted with convex side towards rubber.
16. Remove safety stands. Lower vehicle.
17. Tighten bolt securing trailing arm to chassis. Tighten to 160 Nm. (118 ft lbs.).
18. Lower ramp.