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

Special Tool(s) / General Equipment

	205-907 Handle, 32 Driver TKIT-2008DH-FLM
	206-034 (T88P-20202-B) Installer, Wheel Speed Sensor Ring TKIT-1988-FLM TKIT-1988-LM
Feeler Gauge

Removal

NOTE: Removal steps in this procedure may contain installation details.

NOTE: The stub shaft seals must be replaced whenever the halfshafts are removed.

1. Remove the rear halfshafts.
   Refer to: Rear Halfshaft (205-05 Rear Drive Halfshafts, Removal and Installation).
   

1. NOTE: If removing the stub shaft pilot bearing oil seal only, engage the tangs of the Bearing Remover on the stub shaft pilot bearing oil seal only.

   Remove the rear halfshaft seal.
   

Installation

1. Inspect the differential housing surface for rust, nicks and scratches. Polish the differential housing surface with fine crocus cloth, if necessary.
   

1. NOTE: Installation of the halfshaft oil seal without the correct tools can result in early seal failure.

   NOTE: Do not disassemble the new oil seal.

   Install the new seal onto a suitable special tool.
   Use Special Service Tool: 206-034 (T88P-20202-B)  Installer, Wheel Speed Sensor Ring. , 205-907  Handle, 32 Driver.

1. NOTICE: Strike only the handle. Directly striking the installer tool will damage the seal.

   NOTE: Carefully align the halfshaft seal with the housing bore and ensure the seal should flush in the differential housing.

   Install the new rear halfshaft seal.
   Use Special Service Tool: 206-034 (T88P-20202-B)  Installer, Wheel Speed Sensor Ring. , 205-907  Handle, 32 Driver.

1. NOTE: If a feeler gauge of the specification shown in the illustration can be inserted between the halfshaft oil seal and the differential housing, the halfshaft seal is not seated correctly. Remove the halfshaft oil seal and install a new halfshaft oil seal.

   Make sure the stub shaft oil seal is correctly seated in the differential housing.
   Use the General Equipment: Feeler Gauge

1. Inspect the halfshaft seal lip for rust, nicks or scratches prior to installing the halfshaft. Clean the seal lip with fine crocus cloth, if required.
   

1. Install the rear halfshaft.
   Refer to: Rear Halfshaft (205-05 Rear Drive Halfshafts, Removal and Installation).
   

1. Check the differential fluid level.
   Refer to: Differential Fluid Level Check (205-02 Rear Drive Axle/Differential - Vehicles With: Ford 9.75 Inch Ring Gear, General Procedures).