MU4 - Automatic Transmission

Overdrive Switch Replacement

Tools Required
^ J-38125 Terminal Repair Kit

Removal Procedure
1. Remove the manual selector from vehicle.





2. Remove the push clip (1) from the manual selector plate, then remove the wire harness.
3. Disconnect the connector (2) from the manual selector plate.





4. Using the terminal removal tool from J-38125, remove the 2 white OVERDRIVE switch wires (2) from the OVERDRIVE switch/manual selector illumination lamp electrical connector (1).





5. Loosen the 2 manual selector knob retaining screws.





6. Important:
When the manual selector knob is lifted upward, the shift knob button will be released under slight spring pressure.

Gently raise the manual selector knob upward, then remove the manual selector knob button





7. Remove the manual selector knob sleeve retaining screw, then remove the selector sleeve.





8. Using a small screwdriver, gently pry the overdrive switch from the manual selector knob, then slowly pull the wires out of the knob.

Installation Procedure
1. Install the OVERDRIVE switch wires into manual selector knob.
2. Snap the OVERDRIVE switch into the manual selector knob.





3. Install the OVERDRIVE wires through the manual selector lever sleeve, then secure the sleeve with the lower screw.





4. Install the manual selector knob onto manual selector assembly, then install the shift button.





5. Fully seat the manual selector knob on the assembly, then tighten the 2 screws.





6. Install the 2 white OVERDRIVE switch wires into the OVERDRIVE switch/manual selector illumination lamp electrical connector (2).
7. Hook the 2 white OVERDRIVE switch wires onto the clip (1) on the manual selector base, then secure with a push clip.
8. Install the OVERDRIVE switch/manual selector illumination lamp electrical connector (2) into the manual selector assembly.
9. Install the manual selector assembly into vehicle.