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 10 bolts.

Differential Case and Ring Gear - Traction-Lok

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 - Traction-Lok

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

Differential Case and Ring Gear - Traction-Lok

5. Remove the bolt and the differential pinion shaft (4211).

Differential Case and Ring Gear - Traction-Lok

6. WARNING: Due to the spring tension, use care when removing the differential clutch spring (4214). Failure to follow these instructions may result in personal injury.

Remove the differential clutch spring.

Differential Case and Ring Gear - Traction-Lok

7. Remove the differential gears.

1. Remove the two differential pinion gears (4215).

2. Remove the two differential side gears (4236).

3. Remove the two differential pinion thrust washers (4230).

Differential Case and Ring Gear - Traction-Lok

8. CAUTION: Keep the differential clutch packs (4947) in order. Do not mix them.

Always reassemble them in the same sequence.

Separate the differential clutch packs and shims from the differential side gears and tag them "right" and "left".

  • Clean and inspect the remaining differential components for wear and damage and install new parts as necessary.

Differential Case and Ring Gear - Traction-Lok

9. CAUTION: Do not use acids or solvents when cleaning the differential clutch pack.

Wipe components only with a clean, lint-free cloth.

Clean and inspect the differential clutch packs for wear and damage and install new parts as necessary.

    Differential Case and Ring Gear - Traction-Lok
    Special Tool(s) 2-Jaw Puller 205-D072 (D97L-4221-A) or equivalent Gauge, Differential Clutch 205-022 (T66L-4204-A) Gauge, Differential Clutch 205-135 (T80P-4946-A) ...

    Assembly
    1. CAUTION: 118 ml (4 oz) of the specified Ford Friction Modifier must be used in the axle. Lubricate each steel clutch plate and soak all friction plates for no less than 15 minutes. Use Additiv ...

    Other materials:

    Principles of Operation
    Battery Saver The battery saver feature provides automatic shut-off of power to demand and courtesy lamp circuitry. When the generic electronic module (GEM) detects the ignition switch circuits are in the key OFF or removed ignition key positions, powe ...

    Electronic Vibration Analyzer (EVA)
    The EVA is a hand-held electronic diagnostic tool which will assist in locating the source of unacceptable vibrations. The vibration sensor can be remotely mounted anywhere in the vehicle for testing purposes. The unit displays the three most common vibratio ...

    Transmission Description (Description and Operation)
    The 4R70W has the following features: Wide ratio gears Four speeds Rear wheel drive Automatic Electronic shift Torque converter clutch control Line pressure controls The transmission uses Ravigneaux-style double-pinion gearset with ...