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:

    Hydraulic System
      Fluid Pump   The transmission uses a gerotor-type design front pump support and gear. The pump provides the volume of fluid needed to charge the torque converter, main control assembly, cooling system and lube system. Pump pressure is regu ...

    Accelerator Cable - Supercharged Engine
    Removal and Installation 1. Push the accelerator cable nylon bushing out of the accelerator pedal and shaft arm. 2. Disconnect the accelerator cable from the throttle cam. 3. Depress the tabs and disconnect the accelerator cable from the bracket. 4. Rel ...

    Rear Wheel Bearing and Axle Shaft Oil Seal
    Special Tool(s) Adapter for 303-224 205-153 (T80T-4000-W) Installer, Axle Shaft Bearing 205-124 (T78P-1225-A) Installer, Rear Axle Oil Seal 205-390 (T97T-1177-B) Remover, Axle Bearing 205-219 (T85L-1225-AH) S ...