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: Piston Diameter. General Procedures
Check Measure the piston diameter 90 degrees from the piston pin and piston diameter (DN) height down from the top of the piston at the point indicated. Refer to specifications for the piston diameter (DN) height...
Lincoln Navigator 2018-2025 Workshop Manual: Rear View Mirrors - Overview. Description and Operation
Overview Exterior, Power The power mirror system allows the LH and RH exterior mirror glass to be positioned electronically. The movement of the exterior mirror glass is controlled by the exterior mirror control switch and the LH or RH mirror selection buttons determine which exterior mirror glass is controlled...
Categories
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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.
