Ford Mustang (1999-2004) Service Manual: Transmission Case
Special Tool(s)
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Handle 205-D055 (D81L-4000-A) |
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Installer, Bearing Cup 204-039 (T77F-1217-B) |
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Installer, Drive Pinion Bearing Cup 205-054 (T71P-4616-A) |
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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:
Piston - Ring End Gap
CAUTION: Use care when fitting piston rings to avoid possible damage to
the piston ring
or the cylinder bore.
CAUTION: Piston rings should not be transferred from one piston to another.
NOTE: Cylinder bore must be within specification for taper and
out-of ...
Engine oil check
Note: Check the level before starting the engine.
Note: Make sure that the level is between the MIN and MAX marks.
1. Make sure that your vehicle is on level ground.
2. Turn the engine off and wait 10 minutes for the oil to drain into the
oil pan.
3. Remove ...
Automatic Transaxle/Transmission
General Specifications
a - MERCON V is not interchangeable at this time with the current MERCON
fluids. Check the
transmission fluid level indicator to determine the correct fluid and refer to
the Workshop/Owner
publication to determine the correct service ...




