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:

    Cabin air filter
    Note: Make sure you have a cabin air filter installed at all times. This prevents foreign objects from entering the system. Running the system without a filter in place could result in degradation or damage to the system. Your vehicle is equipped with a cabi ...

    Exhaust System (Description and Operation)
    WARNING: The normal operating temperature of the exhaust system is very high. Never attempt to repair any part of the system until it has cooled. Be especially careful when working around the three way catalytic converter. The temperature of the three way c ...

    Driveshaft (Description and Operation)
      NOTE: All driveshaft assemblies are balanced. If undercoating the vehicle, protect the driveshaft to prevent overspray of any undercoating material. The driveshaft has the following features: A tubular shaft used to transfer engine torque from the ...