Lincoln Navigator: Steering Column / Steering Column Motor Lubrication. General Procedures

Lincoln Navigator 2018-2026 Workshop Manual / Steering System / Steering Column / Steering Column Motor Lubrication. General Procedures

Materials

Name	Specification
Motorcraft® Premium Long-Life Grease XG-1-E1	ESA-M1C75-B

Adjustment

Remove the steering column opening trim panel.

Remove the bolts and the steering column reinforcement panel. Torque:80 lb.in (9 Nm)

Fully extend and lower the steering column.

Remove the steering column shrouds.
Refer to: Steering Column Shrouds (501-05 Interior Trim and Ornamentation, Removal and Installation).

Apply grease to the trunnion nut axles and the tilt motor lead-screw housing holes.
Material: Motorcraft® Premium Long-Life Grease / XG-1-E1 (ESA-M1C75-B)

Apply grease to the trunnion nut axles and the telescopic motor lead-screw housing holes.
Material: Motorcraft® Premium Long-Life Grease / XG-1-E1 (ESA-M1C75-B)

Retest Tilt and Telescopic motor operation.

If the noise is still present, Using an Engine Ear, Mechanics Stethoscope or suitable listening device, Attempt to isolate the source of the Steering Column noise.

If the noise can be isolated to an internal tilt or telescopic motor concern, Replace the suspect motor.
Refer to: Steering Column Tilt Motor (211-04 Steering Column, Removal and Installation).
Refer to: Steering Column Telescopic Motor (211-04 Steering Column, Removal and Installation).

Steering Column. Diagnosis and Testing

Steering Column. Removal and Installation

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Wheel to Hub Runout Minimization. General Procedures

Check

NOTE: Wheel-to-hub optimization is important. Clearance between the wheel and hub can be used to offset or neutralize the Road Force® or run-out of the wheel and tire assembly. For every 0.001 inch of wheel-to-hub clearance, the Road Force® can be affected between 1 and 3 pounds depending on the tire stiffness.

NOTE: The example below illustrates how the clearance between the wheel and the hub can be used to offset the high spot of radial run-out or Road Force®. Following the procedure will make sure of the best optimization.

Position the wheel and tire assembly on the vehicle so that the high spot location of radial run-out or Road Force® is at the 6 o'clock position and