Frame and Body Mounting
The frame is made up of 2 steel boxed side rails and crossmember, which are welded to the 2 side rails. The transmission crossmember is bolted to the side rails. The side welded rails and crossmember are not replaced separately.
The service kits available for the frame are the following:
- RH front horn replacement kit
- LH front horn replacement kit
- Front bumper bracket replacement kit
- 1B crossmember replacement kit
- Transmission crossmember replacement kit
- Exhaust hanger bracket kit
Refer to the instructions included in the kits for installation instructions. For any frame repair, refer to BODY REPAIRS article.
Frame Mounted Heat Shields - All frame mounted heat shields, except the spare tire heat shield and the upper control arm heat shield, are tightened to 20 N.m (15 lb-ft). The spare tire heat shield is tightened to 25 N.m (18 lb-ft). The upper control arm heat shield is tightened to 15 N.m (11 lb-ft).
| Item | Part Number | Description |
|---|---|---|
| 1 | - | Body-to-frame mounts |
| 2 | - | Front crossmember No. 1 |
| 3 | - | 1B crossmember |
| 4 | - | RH frame rail |
| 5 | - | Transmission crossmember |
| 6 | - | Crossmember No. 3 |
| 7 | - | Crossmember No. 4 |
| 8 | - | Crossmember No. 5 |
| 9 | - | Crossmember No. 6 |
| 10 | - | LH frame rail |
| 11 | - | Tow hook bolt (4 required) |
| 12 | - | Tow hook (2 required) |
| 13 | - | Tow hook nut plate (2 required) |
| Item | Part Number | Description |
|---|---|---|
| 1 | W505263 | Spare tire winch bolt (3 required) |
| 2 | - | Spare tire winch rivet (2 required) |
| 3 | W705589 | Spare tire winch push pin retainer (2 required) |
| 4 | - | Spare tire winch cable guide |
| 5 | 1A131 | Spare tire winch assembly |
| 6 | W712588 | Spare tire heat shield bolt (3 required) |
| 7 | 1A484 | Spare tire heat shield |
| Item | Part Number | Description |
|---|---|---|
| 1 | W505263 | Front skid plate bolt (4 required) |
| 2 | 5D032 | Front skid plate |
| 3 | - | Transfer case skid plate bolt (4 required) |
| 4 | 7E063 | Transfer case skid plate |
CAUTION:
When removing upper body mounts, enough adjacent body mount support bolts or nuts must be removed to prevent damage occurring to the vehicle.
NOTE:
Do not reuse body support mounting fasteners. New fasteners must be installed for each fastener that has been removed or loosened.
NOTE:
No lubricants of any kind are to be used during body mount installation.
| Item | Part Number | Description |
|---|---|---|
| 1 | 78001B39 | Front end sheet metal mount bolt |
| 2 | 7800193 | Lower front end sheet metal mount |
| 3 | 7800192 | Upper front end sheet metal body mount |
| Item | Part Number | Description |
|---|---|---|
| 1 | 78001B39 | Body mount bolt |
| 2 | 7800192 | Body support mount |
| 3 | W506433 | Bolt (2 required) |
NOTE:
No. 2 body mount shown, No. 3 body mount similar.
| Item | Part Number | Description |
|---|---|---|
| 1 | 78001B39 | Body support mount bolt |
| 2 | 7800193 | Lower body support mount |
| 3 | 7800192 | Upper body support mount |
| Item | Part Number | Description |
|---|---|---|
| 1 | W708109 | Body mount nut and washer |
| 2 | W506433 | Body mount bolt (2 required) |
| 3 | 7800192 | Body mount |