Installation Procedure

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 GMC Yukon XL, 2003 GMC Yukon, 2003 Chevrolet Tahoe, 2003 Chevrolet Suburban, and 2003 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Install the shackle to the spring.
NOTE: Refer to Fastener Notice on page P-9 in Cautions and Notices.
Install the shackle nut and bolt to the spring.
Tighten

Tighten the shackle nut to 95 N.m (70 lb ft).
Install the leaf spring assembly to the vehicle. Refer to LEAF SPRING REPLACEMENT
Remove the safety stands.
Lower the vehicle.

Fig 1: Installing Shackle To Spring
Courtesy of GENERAL MOTORS CORP.