Ford Mustang (1999-2004) Service Manual: Transmission Case

Special Tool(s)

Handle 205-D055 (D81L-4000-A)
Installer, Bearing Cup 204-039 (T77F-1217-B)
Installer, Drive Pinion Bearing Cup 205-054 (T71P-4616-A)
Installer, Rear Axle Oil Seal 205-155 (T80T-4000-Y)

Disassembly and Assembly

1. Remove the bolts and the guide plate.

  • Inspect the plate for wear or damage. Install a new plate as necessary.

Transmission Case

2. Remove the case magnets.

Transmission Case

3. Remove the reverse lamp switch.

Transmission Case

4. Using the special tools, remove the countershaft bearing cup.

Transmission Case

5. Using a brass drift, remove mainshaft bearing cup.

Transmission Case

6. Inspect the countershaft and mainshaft bearing cups for wear or damage. Install new components as necessary.

7. WARNING: Make sure protective eye wear is in place.

Clean the case with solvent and dry with compressed air. Clean and check the sealing surface for nicks or scratches. Inspect the case for cracks.

  • If the case is cracked, install a new case. If the sealing surface has nicks or scratches, use a soft stone or crocus cloth to remove.

8. NOTE: If a new countershaft bearing is being installed, install a new bearing cup. Always install new bearings and cups in a set.

Using the special tools, install the countershaft bearing cup.

Transmission Case

9. NOTE: If a new mainshaft bearing is being installed, install a new bearing cup. Always install new bearings and cups in a set.

Using the special tools, install the mainshaft bearing cup.

Transmission Case

10. To assemble, reverse the disassembly procedure.

    Extension Housing
    Special Tool(s) Installer, Bearing Cup 204-039 (T77F-1217-B) Adapter for 303-224 (Handle) 205-153 (T80T-4000-W) Disassembly and Assembly   1. Remove the bolt and ...

    Transmission (Assembly)
    Special Tool(s) Dial Indicator Gauge with Holding Fixture 100-002 (TOOL-4201-C) or equivalent Holding Fixture, Transmission 307-003 (T57L-500-B) Remover/Inst ...

    Other materials:

    Ignition switch
    A. Off: The ignition is off. Note: When you switch the ignition off and leave your vehicle, do not leave your key in the ignition. This could cause your vehicle battery to lose charge. B. Accessory: Allows the electrical accessories such as the radio to ope ...

    Audible warnings and indicators
    Key In Ignition Warning Chime Sounds when the key is left in the ignition in the off or accessory position and the driver’s door is opened. Keyless Warning Alert (If Equipped) Sounds when the keyless vehicle is in RUN and the driver’s door is opened. Hea ...

    Normal Schedule
    The following checks or procedures should be carried out for all cars, minivans, light trucks, sport utilities, vans, 4x4s, natural gas and propane vehicles. 8,000 Km (5,000 Miles) Change engine oil and install a new oil filter. Rotate tires and inspect fo ...