Ford Mustang (1999-2004) Service Manual: Lock Cylinder - Door
Removal
1. NOTE: Individual lock cylinders are repaired by discarding the inoperative cylinder and building a new lock cylinder using the appropriate lock repair package. The lock repair package includes a detailed instruction sheet to build the new lock cylinder to the current key code of the vehicle.
Remove the door trim panel (23942). For additional information, refer to Section.
2. Using a screwdriver, release the lock cylinder actuating rod.

3. Remove the door lock cylinder retainer.

4. Remove the door lock cylinder (21990).

5. If necessary, transfer the lock cylinder arm to the new door lock cylinder (21990).
Installation
1. To install, reverse the removal procedure.
Ignition Lock Cylinder - Non-Functional
Removal and Installation
1. NOTE: Make sure the front wheels are in the straight-ahead
position.
Disconnect the battery ground cable (14301) and wait at least one minute
to allow the deplet ...
Lock Cylinder - Luggage Compartment Lid
Removal
1. NOTE: Individual lock cylinders are repaired by discarding the
inoperative cylinder and building
a new lock cylinder using the appropriate lock repair package. The lock
repair pac ...
Other materials:
Removal
1. Remove the center instrument panel register.
2. Remove the screws.
3. Disconnect the connectors.
4. Using the special tool, disconnect the temperature control cable from the
control head.
5. Remove the nuts and disconnect the vacuum connector.
...
Inspection and Verification
NOTE: A new instrument cluster must be reconfigured.
NOTE: The instrument panel dimmer switch is a part of the headlamp
switch.
1. Verify the customer concern.
2. Visually inspect for obvious signs of electrical damage.
Visual Inspection Chart
Electric ...
Removal
1. Disconnect the battery ground cable.
2. Remove the air cleaner outlet tube. For additional information, refer to
Section.
3. Remove the radiator sight shield.
4. Install the special tool.
5. Using the special tools, support the engine.
6. Raise and sup ...
