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:

    Remote control
    Integrated Keyhead Transmitters The key blade is used to start the vehicle and unlock or lock the driver’s door from outside the vehicle. The transmitter portion functions as the remote control. Note: If the vehicle is not equipped with active anti-theft sy ...

    Front Subframe - 3.8L Engine
    Special Tool(s) 3-Bar Engine Support Kit 303-F072 Lifting Bracket Set, Engine 303-D095 (D94L-6001-A) (014- 00792) Removal and Installation All vehicles 1. Remove the steering gear. For additional information, refer to Section. ...

    Rear Drive Axle and Differential
      The axle housing assembly consists of a cast center section with two steel tube assemblies and a stamped differential housing cover (4033). The differential housing cover uses silicone sealant as a gasket. The hypoid-design gearset consis ...