GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2000 🢒 GL7 (Export) 🢒 Body and Accessories 🢒 Body Rear End 🢒 Rear Door Lock Cylinder Replacement

Removal Procedure
  1. Open the liftgate.
  2. Remove the liftgate trim panel. Refer to Liftgate Trim Panel Replacement .
  3. Remove the liftgate handle molding. Refer to Liftgate Outside Handle Replacement .

    4. Object Number: 313609 Size: LH
  4. Remove the retaining nuts from the lock cylinder .

    5. Object Number: 313608 Size: SH
  5. Disconnect the electrical connector, if equipped.
  6. Remove the lock cylinder from the liftgate.

Installation Procedure

    Object Number: 313609 Size: LH
  1. Install the lock cylinder to the liftgate.

    2. Object Number: 313608 Size: SH
  2. Connect the electrical connector, if equipped.

    3. 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 lock cylinder retaining nuts.

    4. Tighten
    Tighten the retaining nuts to 10 N·m (89 lb in).

  4. Install the liftgate handle molding. Refer to Liftgate Outside Handle Replacement .
  5. Install the liftgate trim panel. Refer to Liftgate Trim Panel Replacement .
  6. Close the liftgate.