Liftgate Power Assist Actuator Replacement

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
Preliminary Procedure Body Rear Corner Upper Garnish Molding Replacement
1	Liftgate Power Assist Actuator WARNING: Prior to removal of the power liftgate assist actuator, install a self-tapping screw between the upper and lower bodies of the assist actuator in the specified location. The assist actuator is under high pressure and will rapidly expand and come apart if the screw is not installed. Failure to follow this warning could result in vehicle damage or personal injury. WARNING: When a lift gate hold open device is being removed or installed, provide alternate support to avoid the possibility of damage to the vehicle or personal injury. CAUTION: DO NOT exceed the limit of the liftgate power assist actuator ball socket joint's free motion during installation to prevent possibility of damage to the actuator. Procedure Disconnect the electrical. Disconnect the pass through grommet. Release the strut retainers/clips using a small flat bladed tool to retract clip slightly while removing actuator end from stud. Install the actuator to the body bracket pivot first and then install to the liftgate pivot. Ensure the retainer/clip is fully seated when actuator is reinstalled. If clip cannot be fully seated, a new actuator should be installed. If any portion of the power liftgate assembly is replaced, repaired or disassembled, perform the following liftgate calibration procedure. Liftgate Calibration

Callout

Component Name

Preliminary Procedure
Body Rear Corner Upper Garnish Molding Replacement

Liftgate Power Assist Actuator

WARNING:

Prior to removal of the power liftgate assist actuator, install a self-tapping screw between the upper and lower bodies of the assist actuator in the specified location. The assist actuator is under high pressure and will rapidly expand and come apart if the screw is not installed. Failure to follow this warning could result in vehicle damage or personal injury.

WARNING:

When a lift gate hold open device is being removed or installed, provide alternate support to avoid the possibility of damage to the vehicle or personal injury.

CAUTION:

DO NOT exceed the limit of the liftgate power assist actuator ball socket joint's free motion during installation to prevent possibility of damage to the actuator.

Procedure

Disconnect the electrical.
Disconnect the pass through grommet.
Release the strut retainers/clips using a small flat bladed tool to retract clip slightly while removing actuator end from stud.
Install the actuator to the body bracket pivot first and then install to the liftgate pivot.
Ensure the retainer/clip is fully seated when actuator is reinstalled. If clip cannot be fully seated, a new actuator should be installed.
If any portion of the power liftgate assembly is replaced, repaired or disassembled, perform the following liftgate calibration procedure. Liftgate Calibration