Installation Procedure

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Frame Cushion (Extended Cab)

Courtesy of GENERAL MOTORS CORP.

Install the cushions (1) as necessary and raise the chassis accordingly.
Perform the following procedure before installing the bolts.
1. Remove all traces of the original adhesive patch.
2. Clean the threads of the bolt with denatured alcohol or equivalent and allow to dry.
3. Apply Threadlocker GM P/N 12345493 (Canadian P/N 10953488).

NOTE: Refer to Fastener Notice .

Install the body mount bolts.
Tighten: Tighten the bolts to 95 N.m (70 lb ft).
Install the park brake equalizer intermediate cable. Perform the following steps:
1. Pull rearward on the park brake cable to the original position.
2. Secure the cable retaining tabs to the frame.
3. Install the intermediate cable end to the equalizer.
4. Install the nut to the threaded end of the intermediate cable.
  Tighten: Tighten the nut to 4 N.m (35 lb in).
Lower the vehicle.
Install the master cylinder. Perform the following steps:
1. Mount the master cylinder to the brake booster.
2. Install the master cylinder mounting nuts.
  Tighten: Tighten the nuts to 36 N.m (27 lb ft).