Ford Mustang (1999-2004) Service Manual: Disassembly

1. Remove the differential assembly from the differential housing. For additional information, refer to Differential Case in this section.

2. Remove the bolts.

Differential Case and Ring Gear

3. CAUTION: Do not damage the threads in the bolt holes.

Insert a punch in the bolt holes and drive off the ring gear.

Differential Case and Ring Gear

4. Using the special tools, remove the differential bearings (4221), if necessary.

Differential Case and Ring Gear

5. Remove the bolt.

Differential Case and Ring Gear

6. Remove the differential pinion shaft (4211).

Differential Case and Ring Gear

7. Rotate and remove the differential pinion gears (4215) and differential pinion thrust washers (4230).

Differential Case and Ring Gear

8. Remove the differential side gears (4236) and the differential side gear thrust washers (4228).

Differential Case and Ring Gear

    Differential Case and Ring Gear
    Special Tool(s) 2-Jaw Puller 205-D072 (D97L-4221-A) or equivalent Installer, Differential Side Bearing 205-009 (T57L-4221-A1) Step Plate 205-D016 (D80L-630-5) or ...

    Assembly
    1. Lubricate the differential side gear thrust washers and the differential side gear journals, and assemble the washers to the gears. Use SAE 80W-90 Premium Rear Axle Lubricant XY-80W90-QL or equi ...

    Other materials:

    Component Tests
    Engine Oil Leaks NOTE: When diagnosing engine oil leaks, the source and location of the leak must be positively identified prior to repair. Prior to carrying out this procedure, clean all sealing surface areas with a suitable solvent to remove all tra ...

    Powertrain Control Module (PCM)
    Removal 1. Disconnect the battery ground cable. For additional information, refer to Section. 2. Remove the RH front door scuff plate. 3. Remove the RH cowl side trim panel. Remove the pin-type retainer. Remove the panel. 4. Disconnect ...

    Transmission Electronic Control System
    The powertrain control module (PCM) and its input/output network control the following transmission operations: Shift timing Line pressure (shift feel) Torque converter clutch The transmission control is separate from the engine control s ...