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Lincoln Navigator: Rear Drive Axle/Differential - Vehicles With: Ford 9.75 Inch Ring Gear / Drive Pinion Seal. Removal and Installation

Lincoln Navigator 2018-2025 Workshop Manual / Driveline / Rear Drive Axle/Differential - Vehicles With: Ford 9.75 Inch Ring Gear / Drive Pinion Seal. Removal and Installation

Special Tool(s) / General Equipment

205-208 (T83T-4676-A)
Installer, Drive Pinion Oil Seal
TKIT-1983-F
TKIT-1983-FLM
TKIT-1983-FX
Flat-Bladed Screwdriver

Materials

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

Removal

  1. Remove the drive pinion flange.
    Refer to: Drive Pinion Flange (205-02 Rear Drive Axle/Differential - Vehicles With: Ford 9.75 Inch Ring Gear, Removal and Installation).
  1. Using a flat blade screwdriver, remove and discard the drive pinion seal.
    Use the General Equipment: Flat-Bladed Screwdriver
  1. lean and inspect the pinion flange mating surfaces and pinion seal surface.

Installation

  1. Lubricate the new drive pinion seal lip with grease.
    Material: Motorcraft® Premium Long-Life Grease / XG-1-E1 (ESA-M1C75-B)
  1. Using the special tool, install the new drive pinion seal.
    Use Special Service Tool: 205-208 (T83T-4676-A)  Installer, Drive Pinion Oil Seal.
  1. Install the drive pinion flange.
    Refer to: Drive Pinion Flange (205-02 Rear Drive Axle/Differential - Vehicles With: Ford 9.75 Inch Ring Gear, Removal and Installation).

    Drive Pinion Flange. 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

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