Torsion Bar and Support Assembly Replacement (Bushing Style)

Torsion Bar and Support Assembly Replacement (Bushing Style)

Special Tools

CH 48809 - Torsion Bar Unloading/Loading Tool

For equivalent regional tools, refer to Special Tools Front Suspension.

Removal Procedure

Caution:
Use care when handling the torsion bars in order to avoid chipping or scratching the coating. Damage to the coating will result in premature failure of the torsion bars.

Note:
When lifting the vehicle to service the torsion bars or related components, DO NOT lift the vehicle by the front suspension. Use the appropriate hoist to lift the vehicle by the frame.

1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle Service and Repair.





Note:
This measurement step must be performed before removing the torsion bar support.

2. Before removing the torsion bar support, measure the distance from the adjuster nut (1) and the head of the adjuster bolt (2). Record the measurement.

3. Remove the torsion bar adjuster bolt (2) from the adjuster nut (1) and allow the adjuster arm to rest on in the crossmember.





4. Using the CH 48809 - tool (1), increase the tension on the adjustment arm until the load is removed from the adjuster nut.





5. Remove the adjust nut (2) from the crossmember.

6. Using the CH 48809 - tool, unload the torsion bar.

7. Remove the adjustment arm (3) by sliding the torsion bar forward.





8. Remove the torsion bar crossmember bolt (1).





9. Remove the torsion bar support (1) from the frame.





Note:
The left and right torsion bars are different and are not interchangeable.

10. Remove the torsion bar (1) from the vehicle.

Installation Procedure





1. Position the torsion bar (1) in the lower control arm.





2. Install the torsion bar support (1) in the frame.





Caution:
Refer to Fastener Caution Fastener Caution.

3. Install the torsion bar crossmember bolt (1) and tighten to 125 Nm (92 lb ft).





4. Install the adjustment arm (3) in the crossmember.

5. Install the torsion bar into the adjustment arm until the torsion bar is fully seated.





6. Using the CH 48809 - tool (1), increase the tension on the adjustment arm to load the torsion bar.

7. Install the adjuster nut in the crossmember.

8. Unload the CH 48809 - tool (1) to allow adjuster arm to rest on the adjuster and remove the CH 48809 - tool (1) from the crossmember.





9. Install the adjuster bolt (2) in the adjuster nut (1) and turn the adjuster bolt (2) until it contacts the adjuster arm.

Note:
Refer to step (2) in the removal procedure.

10. Turn the adjuster bolt until the length of the adjuster bolt is the same distance from the adjuster bolt head to the adjuster nut prior to removing the bolt.

11. Remove the safety stands and lower the vehicle.

12. Measure the Z height. Refer to Trim Height Inspection Trim Height Inspection.