GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 TrailBlazer - 4WD 🢒 Body Systems 🢒 Vehicle Access 🢒 Liftgate Lock Actuator Replacement

Removal Procedure
  1. Remove the liftgate latch assembly from the liftgate. Refer to Liftgate Latch Replacement.
  2. Place the latch assembly on a clean, prepared surface.

    3. Object Number: 739852 Size: SH
  3. Remove the 2 screws (2) that retain the lock actuator (1) to the latch assembly.

    4. Object Number: 747835 Size: SH
  4. Simultaneously lift up on and rotate the actuator away from the latch in order to disengage the rubber bumper (1) from the latch.

Installation Procedure

    Object Number: 747835 Size: SH
  1. Install the rubber bumper (1) to the latch.
  2. Rotate the actuator toward the latch in order to fully engage the rubber bumper into the latch.

    3. Object Number: 747836 Size: SH

    Note: Ensure that the first tooth of the gear on the actuator and the first tooth of the gear on the latch align and interlock properly.

  3. Install the actuator to the top of the latch.

    4. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 739852 Size: SH
  4. Install the 2 screws (2) that retain the lock actuator (1) to the latch assembly.

    5. Tighten
    Tighten the screws to 0.75 N·m (6 lb in).

  5. Install the latch assembly to the liftgate. Refer to Liftgate Latch Replacement.