Contents: Removal ⇩ Installation ⇩
Removal
WARNING: The self-leveling block contains pressurized gas and MUST NOT be disassembled. Repairs can only be made by replacing the entire block.
NOTE: This procedure covers the self-leveling suspension unit.
1. Raise and support the vehicle under the chassis, use a jack to provide support for the axle.
2. Disconnect the upper arms on the swing arm.
3. Release the lower boot of the self-leveling suspension unit and unscrew the lower ball joint at the pushrod section using a double-jaw wrench.
4. Disconnect the clamp from the chassis.
5. Unscrew the 4 nuts securing the upper bracket to the chassis and disconnect the self-leveling suspension unit assembled with the bracket.
6. Replace the ball joints of the self-leveling suspension unit.
7. Unscrew the lower ball joint from the replacement bracket.
8. Remove the ball joint from the upper bracket.
9. Assemble the ball joints, pack them with Dextagrease GP grease or equivalent. If the joints are worn, replace them.
10. Check the condition of the covers and replace them if necessary.
Installation
1. Make sure the ball stud threads are clean and apply Loctite CVX/
2. Install the upper ball joint onto the self-leveling suspension unit and secure the boot.
3. Install the upper bracket assembly with the self-leveling suspension unit on the chassis, secure with 4 nuts and tighten to 47 Nm (35 ft·lbs/ft).
4. Install the self-leveling suspension unit onto the lower ball joint and secure the boot.
5. Secure the clamp to the chassis crossmember.
6. Install the upper control arms onto the swing arm bracket and secure with the 2 bolts and nuts, but do not tighten at this stage.
7. Remove the jack that supports the bridge and the support from under the chassis.
8. Allow the suspension to stabilize, then tighten the 2 upper control arm to swivel bracket bolts and nuts to 176 Nm (130 ft·lbs).
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