Rear

Spring

Spring (Part 1):

Spring (Part 2):

Removal and Installation

CAUTION: Suspension fasteners are critical parts because they affect performance of vital components and systems and their failure may result in major service expense. New parts must be installed with the same part numbers or equivalent parts if replacement is necessary. Do not use replacement parts of lesser quality or substitute design. Torque values must be used as specified during reassembly to make sure of correct retention of these parts.

1. With the vehicle in NEUTRAL, position it on a hoist.
2. Using a suitable jack, support the rear axle.
3. Remove and discard the lower shock absorber bolt and nut.
^ To install, tighten to 80 Nm (59 lb-ft).

4. NOTE: When installing new U-bolts, the distance between the U-bolts should be 93 mm (3.66 inch) ± 3 mm (0.12 inch). This is important for providing the correct U-bolt clamp load and retention of parts.

Remove and discard the 4 rear U-bolt nuts.
^ Remove the U-bolts and the spring plate.
^ To install, tighten Torsion(R) axle U-bolt nuts in 4 stages.
- Stage 1: Tighten in a cross pattern to 25 Nm (18 lb-ft).
- Stage 2: Tighten in a cross pattern to 50 Nm (37 lb-ft).
- Stage 3: Tighten in a cross pattern to 75 Nm (55 lb-ft).
- Stage 4: Tighten in a cross pattern to 103 Nm (76 lb-ft).
^ To install, tighten standard axle U-bolt nuts in 4 stages.
- Stage 1: Tighten in a cross pattern to 30 Nm (22 lb-ft).
- Stage 2: Tighten in a cross pattern to 60 Nm (44 lb-ft).
- Stage 3: Tighten in a cross pattern to 90 Nm (66 lb-ft).
- Stage 4: Tighten in a cross pattern to 115 Nm (85 lb-ft).

5. If equipped carefully lower the rear axle and remove the rear spring spacer.





6. Remove and discard the spring-to-frame bracket bolt and flagnut.
^ To install, tighten to 200 Nm (148 lb-ft).

7. Remove and discard the spring shackle-to-spring bolt and nut and remove the spring.
^ To install, tighten to 103 Nm (76 lb-ft).

8. If necessary, remove the spring shackle.
^ Remove and discard the spring shackle-to-frame bracket bolt and flagnut.
^ Remove the shackle.
^ To install, tighten to 115 Nm (85 lb-ft).

9. To install, reverse the removal procedure.