Ford Mustang (1999-2004) Service Manual: Manual Transmission
The TR3650 five-speed manual transmission features the following:
- The fifth speed gear functions as an overdrive gear.
- The forward gears are synchronized and helical cut.
- The reverse gear operates through a constant-mesh, fully synchronized system.
- The shift interlock system prevents the engagement of more than one gear.
- The countershaft is serviced as an assembly.
- An aluminum main case, extension housing and bell housing.
Transmission Internal Components - Disassembled View




Transmission Case and Shift Components - Disassembled View



Transmission Identification
The transmission identification tag is located under the lower bolt that retains the extension housing to the main case.
The five speed overdrive (TR3650) transmission is available for the Mustang 4.6L (2V).
Transmission Identification


Manual Transaxle/Transmission - TR3650
General Specifications
Torque Specifications
...
Bearings - Inspection
NOTE: If any of the following conditions exist, install a new
bearing.
1. Inspect the bearing for a bent cage.
2. Inspect bearings for galling (metal smears on roller ends).
Galling is caused ...
Other materials:
Component Tests
Idle Air Control (IAC) Valve
1. Open the hood.
2. NOTE: Key symptom is elevated idle speed while noise is occurring.
NOTE: "Snapping" the throttle can induce the noise.
Verify the condition by operating the vehicle for a short time.
3. Inspect the IAC valv ...
Communication Circuit Wiring Repair
Special Tool(s)
Heat Gun
107-R0300 or equivalent
1. Disconnect the battery ground cable. For additional information, refer to
Section.
2. Strip the wires.
3. NOTE: Use rosin core mildly activated (RMA) solder, not acid core
solder.
Solder ...
Seat Track
Removal and Installation
1. Remove the front seat. For additional information, refer to Seat-Front
Power in this section.
2. Remove the outboard seat trim shield.
3. Disconnect the electrical connector.
4. Remove the seat track bolts.
5. To install, ...
