Ford Mustang (1999-2004) Service Manual: Range Selection
The transmission has six range positions: P, R, N, (D), 2 and 1.

Park
In the PARK position:
- there is no powerflow through the transmission.
- the parking pawl locks the output shaft to the case.
- the engine can be started.
- the ignition key can be removed.
Reverse
In the REVERSE position:
- the vehicle can be operated in a rearward direction, at a reduced gear ratio.
- engine braking will occur.
Neutral
In the NEUTRAL position:
- there is no powerflow through the transmission.
- the output shaft is not held and is free to turn.
- the engine can be started.
Overdrive
Overdrive is the normal position for most forward driving.
The OVERDRIVE position provides:
- Automatic shifts.
- Apply and release of the torque converter clutch.
- Maximum fuel economy during normal operation.
Second Position
This position provides:
- Second gear start and hold.
- The torque converter clutch can apply and release.
- Improved traction and engine braking on slippery roads.
- Engine braking for descending steep grades.
First Position
If this position is selected at normal road speeds, the transmission will shift into second gear, then into first when the vehicle reaches a speed below approximately 45 km/h (28 mph).
This position provides:
- First gear operation only.
- Engine braking for descending steep grades.
Identification Tags
All vehicles are equipped with a Vehicle Certification Label, located
on the driver side door lock post.
For correct transmission identification, refer to the code in the space
marked TR.
...
Shift Patterns
Upshifts
Transmission upshifting is controlled by the powertrain control
module (PCM). The PCM receives
inputs from various engine or vehicle sensors and driver demands to
control shift sche ...
Other materials:
Disassembly
1. NOTE: The index mark on the output shaft must be aligned with the
index mark on the output
shaft ring gear during the assembly procedure.
Remove the ring gear snap ring.
2. Separate the ring gear and output shaft.
3. Remove the three output shaft seal ...
Catalyst Monitor Sensor
Special Tool(s)
Socket, Exhaust Gas Oxygen
Sensor
303-476 (T94P-9472-A)
Material
Item
Specification
Penetrating and Lock Lubricant
or equivalent
E8AZ-19A501-
B
Removal and Installation
1. Disconnect the battery ground ...
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/Installer, Bearing
Tube
308-025 (T75L-7025-C)
In ...
