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

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

Special Tool(s) / General Equipment

Transmission Jack

Materials

Name	Specification
Motorcraft® Ultra Silicone Sealant TA-29	WSS-M4G323-A8

Removal

Remove the rear axle assembly.
Refer to: Axle Assembly (205-02 Rear Drive Axle/Differential - Vehicles With: Ford 9.75 Inch Ring Gear, Removal and Installation).

NOTE: This step requires the aid of another technician.
Transfer the rear axle assembly from transmission jack to the work bench.

NOTE: Differential with eLSD shown, non eLSD is similar.
Remove the bolts and the differential housing cover.

Installation

NOTE: Remove all of the silicone gasket and make sure the surfaces are free of oil before applying the new silicone gasket.
Clean the gasket mating surface of the axle and the differential housing cover.
Refer to: RTV Sealing Surface Cleaning and Preparation (303-00 Engine System - General Information, General Procedures).

NOTE: Care should be taken not to allow RTV sealant spillage in bowl of differential carrier.
Apply a new, continuous 2-3mm bead of sealant to the differential housing as shown.
Material: Motorcraft® Ultra Silicone Sealant / TA-29 (WSS-M4G323-A8)

NOTE: The differential housing cover must be installed within 5 minutes of application of the silicone, or new sealant must be applied. If possible, allow one hour before filling with lubricant to make sure the silicone sealant has correctly cured.
Install the differential housing cover and the differential housing cover bolts.
Torque: 33 lb.ft (45 Nm)

NOTE: This step requires the aid of another technician.
Transfer the rear axle assembly from the workbench to a transmission jack.
Use the General Equipment: Transmission Jack

Install the rear axle assembly.
Refer to: Axle Assembly (205-02 Rear Drive Axle/Differential - Vehicles With: Ford 9.75 Inch Ring Gear, Removal and Installation).

Differential Control Module Rear (DCMR). Removal and Installation

Removal NOTE: Removal steps in this procedure may contain installation details. With the vehicle in NEUTRAL, position it on a hoist...

Drive Pinion. Removal and Installation

Special Tool(s) / General Equipment 205-024 (T67P-4616-A) Installer, Drive Pinion Bearing Cup 205-090 (T75L-1165-B) Plate, Bearing/Oil Seal 205-111 (T76P-4020-A11) Handle 205-159 (T80T-4020-F42) Adapter for 205-S156 Pinion Depth GaugeT98T-1000-LM-1TKIT-1998-LM (NavigatoR) 205-160 (T80T-4020-F43) Adapter for 205-S156 ..

Other information:

Lincoln Navigator 2018-2025 Workshop Manual: Powertrain Control Module (PCM) Input and Output Controls. Diagnosis and Testing

Diagnostic Trouble Code (DTC) Chart Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods (100-00 General Information, Description and Operation). Module DTC Description Action PCM P0219:00 Engine Overspeed Condition: No Sub Type Information GO to Pinpoint Test Z PCM P0297..

Lincoln Navigator 2018-2025 Workshop Manual: Differential Control Module Rear (DCMR). Removal and Installation

Removal NOTE: Removal steps in this procedure may contain installation details. With the vehicle in NEUTRAL, position it on a hoist. Refer to: Jacking and Lifting (100-02 Jacking and Lifting, Description and Operation). Disconnect DCMR electrical connector by disengaging the side locking tab and pulling on the harness. Detach ..

Diagnostic Methods. Description and Operation

This document provides critical diagnostic knowledge required for successful repair outcomes. It identifies technical competencies expected by users of this manual.

Ford Diagnostic Assumptions

Ford diagnostics assume the vehicle concern described by the test title is currently present. Exceptions to this rule are noted in each test. Do not replace modules or other components as directed by a diagnostic if the concern is not present at the time of testing.