Lincoln Navigator: Full Frame and Body Mounting / Frame and Body Mounting. Description and Operation
The frame consists of 2 steel channel rails, a front crossmember, a transmission support crossmember and mid and rear welded crossmembers.
Frame repair kits are available for the frame components listed below: Instruction Sheets for each service part (found in the service part packaging) are included with the service part.
| Component | Instruction Sheet Number |
| 4WD LH Front Differential Bracket Replacement | FL34-39510-AB |
| Center Bearing Bracket Replacement | JL14-5F057-AA |
| Front Bumper Mounting Bracket Replacement | JL14-17N775/6-AA |
| Front Frame Replacement Section | JL14-5D058/9-AA |
| Front Lower Control Arm Mounting Bracket | JL14-5F057-AA/BA |
| Rear Frame Replacement Section | JL14-5F040-AA |
| Transmission Crossmember Replacement - All Frames | FL34-7H474-AA |
| Front Frame Stub Replacement Section | JL14-5E029-AA/BA |
| #1B Crossmember Replacement | FL34-5L005-AA |
For frame dimensional information, refer to
For additional
information, refer to: Body and Frame (501-26 Body Repairs - Vehicle
Specific Information and Tolerance Checks, Description and Operation).
Body Mounts
The body support mounts:
- secure the body to the frame.
- cannot be lubricated during body support mount installation
NOTE: Body mount bolts should not be reused. Follow the steps below for repair:
- Always use new body mount bolts.
- Body retainer cage nuts must be serviced as an assembly.
- Refer to the following illustrations for body mount torque values.
Front End Sheet Metal (FESM) Body Mount LH/RH
| Item | Description | Torque |
| 1 | Body retainer cage nut rivet (4 required) | — |
| 2 | Body retainer cage nut | — |
| 3 | Cap | — |
| 4 | Upper insulator | — |
| 5 | Body mount bolt | 80 Nm (59 lb-ft) |
| 6 | Lower insulator | — |
Body Mount — No. 1 (LH )
| Item | Description | Torque |
| 1 | Body retainer cage nut | — |
| 2 | Body isolator | — |
| 3 | Body mount | — |
| 4 | Cap | — |
| 5 | Body mount bolt | 115 Nm (85 lb-ft) |
| 6 | Body mount nut (2 required) | 62 Nm (46 lb-ft) |
Body Mount — No. 1 (RH )
| Item | Description | Torque |
| 1 | Body retainer cage nut | — |
| 2 | Body mount | — |
| 3 | Plate | — |
| 4 | Body mount bolt | 115 Nm (85 lb-ft) |
| 5 | Cap | — |
| 6 | Body mount bolt (2 required) | 62 Nm (46 lb-ft) |
Body Mount — No. 2 (LH )
| Item | Description | Torque |
| 1 | Body mount | — |
| 2 | Cap | — |
| 3 | Body mount bolt | 115 Nm (85 lb-ft) |
| 4 | Body mount nut (2 required) | 62 Nm (46 lb-ft) |
| 5 | Body retainer cage nut | — |
Body Mount — No. 2 (RH )
| Item | Description | Torque |
| 1 | Body retainer cage nut | — |
| 2 | Body isolator | — |
| 3 | Body mount | — |
| 4 | Body mount bolt | 115 Nm (85 lb-ft) |
| 5 | Body mount bolt (2 required) | 62 Nm (46 lb-ft) |
| 6 | Cap | — |
Body Mount — No. 3 (LH/RH )
| Item | Description | Torque |
| 1 | Body retainer cage nut | — |
| 2 | Body mount | — |
| 3 | Body mount nut (2 required) | 62 Nm (46 lb-ft) |
| 4 | Body mount bolt | 115 Nm (85 lb-ft) |
| 5 | Cap | — |
Body Mount — No. 4 (LH/RH )
| Item | Description | Torque |
| 1 | Body retainer cage nut | — |
| 2 | Body mount bolt (2 required) | 62 Nm (46 lb-ft) |
| 3 | Body mount upper | — |
| 4 | Cap | — |
| 5 | Body mount bolt | 115 Nm (85 lb-ft) |
Spare Wheel Winch
| Item | Description | Torque |
| 1 | Metal screw (3 required) | 20 Nm ( 15 lb-ft) |
| 2 | Push pin | — |
| 3 | Spare wheel winch assembly | — |
Drilling Precautions. General Procedures
Activation
If a hole must be drilled in the frame the following requirements must be followed:
The hole is at least the specified distance from the edge of the nearest hole...
Other information:
Lincoln Navigator 2018-2025 Workshop Manual: About this Manual. Description and Operation
Introduction WARNING: Before beginning any service procedure in this manual, refer to health and safety warnings in section 100-00 General Information. Failure to follow this instruction may result in serious personal injury. For additional information, refer to: Health and Safety Precautions (100-00 General Information, Description and Operation)...
Lincoln Navigator 2018-2025 Workshop Manual: Rear Brake Flexible Hose. Removal and Installation
Removal NOTICE: Do not allow the brake fluid to come in contact with the adhesive backing on the brake pads. This may prevent the brake pad adhesive surface from bonding with the brake caliper. If brake fluid is spilled onto the brake pads, install new pads...
Categories
- Manuals Home
- 4th Gen Lincoln Navigator Service Manual (2018 - 2025)
- Liftgate Trim Panel. Removal and Installation
- Body Control Module (BCM). Removal and Installation
- Head Up Display (HUD) Module Calibration. General Procedures
- SYNC Module [APIM]. Removal and Installation
- Front Bumper Cover. Removal and Installation
Rear Drive Halfshafts. Diagnosis and Testing
Preliminary Inspection
Visually inspect the CV joints, housing, boots, and clamps for obvious signs of mechanical damage.If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step
If the cause is not visually evident, verify the symptom and REFER to Symptom Chart: NVH.
