Removal & Installation
See Figure 1
- Raise and support the car with safety stands.
- Remove the wheel and tire assemblies.
- Remove the rear wheel spindles.
- Disconnect the rear wheel brake hoses.
- Disconnect the front parking brake cable and conduit clevises at the brake backing plates.
- Remove the front parking brake cable and conduit from the axle torsion beam.
- Remove the drum brakes.
- Remove the brake adjusting hole covers and pull the wheel speed sensors through the backing plate.
- Remove the backing plate and assemblies.
- Loosen the axle torsion beam retaining nuts.
- Loosen the torsion bar retaining nuts from the brackets and remove the torsion beam.
If the torsion beam brackets are not to be replaced, leave them on the car. The brackets mounting holes are slotted and, if removed, require alignment when the torsion beam is installed.To install:
- Inspect the torsion beam bushings; if defective, replace them.
- If installing a new torsion beam, install the beam bushings.
- Install the bushing flange washers and place the beam into position on the brackets.
- Align the bolts and finger-tighten the retaining nuts and bolts.
- Install the brake backing plates.
- Re-route and install the wheel speed sensor.
- Install the wheel spindles, the parking brake cables and conduit.
- Connect the rear wheel brake hoses.
- Install the wheel and tire assemblies, and lower the car onto the ground.
- Tighten the torsion beam nuts to 69-86 ft. lbs. (93-117 Nm).
Check the rear suspension alignment as follows:
- Locate and mark the center of the underbody at a point of equal distance from the inner and upper right and left axle torsion beam bolts.
- From this point, measure the distance to the centers of both the right and left shock absorber bolts.
- If these measurements are not within 0.2 inches (5mm) of each other, shift the torsion beam brackets side-to-side until the suspension alignment is within specification.
- When the alignment is correct, tighten the upper axle beam bolts to 40-50 ft. lbs. (54-68 Nm) and the lower bolts to 69-86 ft. lbs. (93-117 Nm).
- Bleed the brake system and test drive the car.