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Chevrolet Silverado / GMC Sierra. Manual - part 2268
Fig. 15: View Of Frame Cushion (Extended Cab)
Courtesy of GENERAL MOTORS CORP.
1. Install the cushions (1) as necessary and raise the chassis accordingly.
2. 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 .
2008 Chevrolet Silverado 1500
2008 ACCESSORIES & EQUIPMENT Frame and Underbody - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra
& Silverado
3. Install the body mount bolts.
Tighten: Tighten the bolts to 95 N.m (70 lb ft).
4. 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).
5. Lower the vehicle.
6. 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).
FRAME CUSHION OR INSULATOR REPLACEMENT (REGULAR CAB)
Removal Procedure
1. Remove the master cylinder. Perform the following steps:
1. Remove the nuts retaining the master cylinder to the brake booster.
2. Remove the master cylinder from the brake booster.
3. Secure the cylinder away from the booster.
2. Raise the vehicle on the hoist. Refer to Lifting and Jacking the Vehicle .
3. Remove the park brake equalizer intermediate cable. Perform the following steps:
1. Remove the nut from the park brake equalizer intermediate cable.
2. Remove the intermediate cable from the equalizer.
3. Depress the retaining tabs that secure the park brake cable to the frame.
4. Pull slightly on the cable from the mounting area in order to provide slack for body
movement without binding the cable.
IMPORTANT: Ensure that the vehicle is unloaded prior to body removal.
2008 Chevrolet Silverado 1500
2008 ACCESSORIES & EQUIPMENT Frame and Underbody - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra
& Silverado
Fig. 16: View Of Frame Cushion (Regular Cab)
Courtesy of GENERAL MOTORS CORP.
4. Remove the body mount bolts.
5. Properly support the body in the area that the mounts will be replaced.
CAUTION: When you remove the body cushions, do NOT separate
the frame from the body more than is necessary. Possible
personal injury and damage to multiple parts may result if
you do not follow the guides outlined below:
Intermediate steering shaft-Do not allow the shaft to
2008 Chevrolet Silverado 1500
2008 ACCESSORIES & EQUIPMENT Frame and Underbody - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra
& Silverado
6. Lower the chassis accordingly in order to remove the cushions (1) as necessary.
Installation Procedure
extend more than 25 mm (1 in).
Fuel tank filler hose-Do not stretch the hose
excessively.
Tail/Turn signal lamp wiring/rear lamps junction
block-Leave slack in the wires.
Park brake cable-Leave slack in the cable.
Body ground straps-Leave slack in the wire.
2008 Chevrolet Silverado 1500
2008 ACCESSORIES & EQUIPMENT Frame and Underbody - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra
& Silverado
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