Body Mount Replacement Extended Cab

Caution: Refer to Vehicle Lifting Caution in the Preface section.

1. Raise the vehicle on the hoist. Refer to Lifting and Jacking the Vehicle in General Information. Lower the side where the mount is placed in order to provide clearance for the mount when changing only one mount.
2. Place the jack stands under the cab on the side of the vehicle where the mounts are positioned.
3. Loosen the mounting bolts on the side where the mounts are positioned.



4. Remove the mounting bolt (3).
5. Remove the lower cushion (2).
6. Lower the hoist and support the cab with the vehicle jacks.
7. Remove the upper cushion (1) and retainer (4).

1. Install the retainer (4) and upper cushion (1).
2. Raise the frame on the hoist.
3. Install the lower cushion (2).
4. Perform the following procedure before installing the bolts:

4.1.	Remove all traces of the original adhesive patch.

4.2.	Clean all threads of the bolt with denatured alcohol or equivalent and allow to dry.

4.3.	Apply Threadlocker GM P/N 12345493 ( Canadian P/N 10953488).

Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

5. Install the mounting bolt , and remove the jacks.

Tighten
Tighten the mounting bolts to 85 N·m (63 lb ft).

6. Lower the hoist.

Body Mount Replacement Regular Cab

Caution: Refer to Vehicle Lifting Caution in the Preface section.

1. Raise the vehicle on the hoist. Refer to Lifting and Jacking the Vehicle in General Information. Lower the side where the mount is placed in order to provide clearance for the mount when changing only one mount.
2. Place the jack stands under the cab on the side of the vehicle where the mounts are positioned.
3. Loosen the mounting bolts on the side where the mounts are positioned.



4. Remove the mounting bolt (3).
5. Remove the lower cushion (2).
6. Lower the hoist and support the cab with the vehicle jacks.
7. Remove the upper cushion (1) and retainer (4).

1. Install the retainer (4) and upper cushion (1).
2. Raise the frame on the hoist.
3. Install the lower cushion (2).
4. Perform the following procedure before installing the bolts:

4.1.	Remove all traces of the original adhesive patch.

4.2.	Clean all threads of the bolt with denatured alcohol or equivalent and allow to dry.

4.3.	Apply Threadlocker GM P/N 12345493 ( Canadian P/N 10953488).

Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

5. Install the mounting bolt , and remove the jacks.

Tighten
Tighten the mounting bolts to 85 N·m (63 lb ft).

6. Lower the hoist.