GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 594640  Size: SH
  1. Remove the liftgate trim panel. Refer to Liftgate Trim Panel Replacement .
  2. Mark the location of the liftgate latch in order to ensure proper alignment during installation.
  3. Disconnect the electrical connectors, as needed .
  4. Remove the nuts that retain the liftgate window latch to the latch support.
  5. Remove the liftgate window latch from the liftgate window latch support.

Installation Procedure


    Object Number: 594640  Size: SH
  1. Install the liftgate window latch.
  2. Ensure that the window latch is properly aligned with the marks made during disassembly.

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  3. Install the nuts that retain the liftgate window latch to the latch support.
  4. Tighten
    Tighten the nuts to 10 N·m (88 lb in).

  5. Connect the electrical connectors, as needed.
  6. Install the liftgate trim panel. Refer to Liftgate Trim Panel Replacement .