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 - Conventional

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 - Conventional

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

Differential Case and Ring Gear - Conventional

5. Remove the bolt.

Differential Case and Ring Gear - Conventional

6. Remove the differential pinion shaft (4211).

Differential Case and Ring Gear - Conventional

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

Differential Case and Ring Gear - Conventional

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

Differential Case and Ring Gear - Conventional

    Differential Case and Ring Gear - Conventional
    Special Tool(s) 2-Jaw Puller 205-D072 (D97L-4221-A) or equivalent Installer, Differential Side Bearing 205-010 (T57L-4221-A2) Step Plate 205-D061 (D83T-4205-C2) 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 75W-140 High Performance Rear Axle Lubricant F1TZ-1958 ...

    Other materials:

    Installation
    1. Install the intake manifold and gaskets, tighten the bolts in the sequence shown. 2. NOTE: The O-ring is to be installed on the top of the thermostat. Install the water thermostat and the O-ring. Install a new O-ring as necessary. 3. Install the wa ...

    Inspection and Repair After a Supplemental Restraint System (SRS) Deployment
    WARNING: If the supplemental restraint system (SRS) is being serviced, the system must be deactivated and restraint system diagnostic tools must be installed. Refer to Air Bag Supplemental Restraint System (SRS) in this section. The air bag restraint system ...

    Inspection and Verification
    WARNING: A vehicle equipped with a Traction-Lok differential will always have both wheels driving. If, while the vehicle is being serviced, only one wheel is raised off the ground and the rear axle is driven by the engine, the wheel on the ground could drive ...