GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2006 🢒 STS 🢒 Body 🢒 Wiring Systems 🢒 Transmission Control Replacement

Removal Procedure

    Important: Many automatic transmission shift control related complaints can be corrected with linkage adjustment. DO NOT replace a shifter assembly without first attempting to correct the condition with the linkage adjustment procedure.

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.

    2. Object Number: 830370 Size: SH
  2. Remove the adjustment nut from the shift control linkage.
  3. Disconnect the shift control linkage rod from the shift control assembly.
  4. Lower the vehicle.

    5. Object Number: 891692 Size: SH
  5. Remove the shift control trim plate by lifting the rear of the trim plate up. Pull the plate rearward in order to disengage the front retaining tabs.
  6. Remove the center console assembly. Refer to Front Floor Console Replacement in Instrument Panel, Gages, and Console

    7. Object Number: 891701 Size: SH
  7. Remove the electrical connector (1) from the shift control assembly.

    8. Object Number: 891687 Size: SH
  8. Disconnect the wiring harness connector (3) from the shift lock control pigtail connector.

    9. Object Number: 891704 Size: SH
  9. Remove the 4 nuts securing the shift control assembly to the tunnel reinforcement.
  10. Remove the shift control assembly from the tunnel reinforcement.

Installation Procedure

    Object Number: 891704 Size: SH
  1. Install the shift control assembly to the tunnel reinforcement.

    2. Notice: Refer to Fastener Notice in the Preface section.

  2. Install the 4 nuts securing the shift control assembly to the tunnel reinforcement.

    3. Tighten
    Tighten the nuts to 12 N·m (106 lb in).


    Object Number: 891687 Size: SH
  3. Connect the wiring harness connector (3) to the shift lock control pigtail connector.

    4. Object Number: 891701 Size: SH
  4. Install the electrical connector (1) to the shift control assembly.

    5. Object Number: 891692 Size: SH
  5. Install the center console assembly. Refer to Front Floor Console Replacement in Instrument Panel, Gages, and Console
  6. Install the shift control trim plate by inserting the front retaining tabs to the console. Press down on the rear of the trim plate to engage the rear retaining tabs.
  7. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.

    8. Object Number: 830370 Size: SH
  8. Connect the shift control linkage rod to the shift control assembly.
  9. Install the shift control linkage adjustment nut finger tight.
  10. Adjust the shift control linkage. Refer to Shift Control Linkage Adjustment .
  11. Lower the vehicle.