Air Shocks

Rear Air Shock Absorber

Service Repair No - 64.30.02.45

Removal

WARNING: The self-leveling unit contains pressurized gas and MUST NOT be dismantled. Repair is by replacement of complete unit only.

NOTE: This procedure covers the suspension self leveling unit.

1. Raise and support the vehicle under chassis and use a jack to support weight of the axle.
2. Disconnect upper links at pivot bracket.
3. Ease up self-leveling unit lower gaiter and unscrew lower ball joint at push rod using thin jawwed spanners.
4. Release webbing strap from chassis.
5. Remove 4 nuts securing top bracket to chassis and withdraw self-leveling unit complete with bracket.



6. Renew self-leveling unit ball joints.
7. Unscrew lower ball joint from pivot bracket.
8. Unscrew ball joint from top bracket.
9. Reassemble ball joints, packing with Dextagrease G.P. or equivalent. Renew joints if worn.
10. Check condition of gaiters and renew if necessary.

Installation

1. Ensure ball pin threads are clean and smear Loctite grade CVX on ball pin threads.
2. Fit upper ball joint to self-leveling unit and secure gaiter.
3. Fit top bracket complete with leveling unit to chassis and secure with 4 nuts and tighten to 47 Nm (35 ft. lbs.)
4. Fit self-leveling unit to lower ball joint and secure gaiter.
5. Attach webbing strap to chassis cross member.
6. Fit upper links to the pivot bracket and retain with 2 bolts and nuts but do not tighten at this stage.
7. Remove jack in support of rear axle and support from under chassis.
8. Allow suspension to settle and then tighten 2 bolts and nuts retaining upper links to pivot bracket to 176 Nm (130 ft. lbs.)