Installation Procedure

WARNING: This page is about a different car, the 2002 GMC Safari and 2002 Chevrolet Astro. However, it is still accessible from the selected car via links, so may be relevant.

Install the leaf spring to the vehicle.
Install the leaf spring to hanger mounting bolt and the nut.
Install the leaf spring to spring shackle mounting bolt and the nut.
- Tighten the leaf spring to hanger mounting nut to 100 N.m (74 lb ft).
- Tighten the leaf spring to spring shackle mounting nut to 100 N.m (74 lb ft).
Raise the rear axle so that the rear axle is touching the leaf spring.
Install the anchor plate to the top of the leaf spring.
Apply the rubber lubricant, GM P/N 12345884 or equivalent, to the insulator on the leaf spring in order to aid in installation of the anchor plate to the leaf spring.
Install the lower plate and the U-bolt around the axle and through the anchor plate.
Install the leaf spring U-bolts and lower plate mounting nuts.
Important: After tightening the fasteners to the specified torque, ensure that there is no gap between the anchor plate, the axle tube bracket, and the lower plate. The contact should be metal to metal.
Starting with the inner (lower plate side) nuts, gradually tighten the mounting nuts so that the anchor plate moves uniformly, side to side, over the leaf spring. Tighten the leaf spring U-bolts and lower plate mounting nuts to 100 N.m (74 lb ft)
Install the lower shock absorber mounting nut and bolt. Tighten the lower shock absorber mounting nut and bolt to 107 N.m (79 lb ft).
Lower the vehicle.
Remove the J 41602 , if necessary.
Adjust the trim height of the vehicle. Refer to TRIM HEIGHT INSPECTION PROCEDURE .