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.

2. Remove the case magnets.

3. Remove the reverse lamp switch.

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

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

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.

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.

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 ...




