GM Service Manual Online
For 1990-2009 cars only

Mode Door Actuator Replacement - Auxiliary Tahoe/Yukon

Removal Procedure

  1. Remove the right rear quarter trim panel. Refer to Rear Quarter Trim Panel Replacement in Interior Trim.
  2. Disconnect the electrical connector from the actuator (1).
  3. Remove the retaining screws from the actuator (1).

  4. Object Number: 621734  Size: SH
  5. Remove the mode actuator (1) from the vehicle.

Installation Procedure


    Object Number: 621734  Size: SH
  1. Install the mode actuator (1) to the vehicle.
  2. Install the retaining screws to the actuator (1).
  3. Connect the electrical connector to the actuator (1).
  4. Install the left rear quarter trim panel. Refer to Rear Quarter Trim Panel Replacement in Interior Trim.

Mode Door Actuator Replacement - Auxiliary Suburban/Yukon XL

Removal Procedure

  1. Remove the right rear quarter trim panel. Refer to Rear Quarter Trim Panel Replacement in Interior Trim.
  2. Disconnect the electrical connector from the actuator (1).
  3. Remove the retaining screws from the actuator (1).

  4. Object Number: 621734  Size: SH
  5. Remove the mode actuator (1) from the vehicle.

Installation Procedure


    Object Number: 621734  Size: SH
  1. Install the mode actuator (1) to the vehicle.
  2. Install the retaining screws to the actuator (1).
  3. Connect the electrical connector to the actuator (1).
  4. Install the right rear quarter trim panel. Refer to Rear Quarter Trim Panel Replacement in Interior Trim.