GM Service Manual Online
For 1990-2009 cars only

Door Latch Replacement Upper

Removal Procedure


Object Number: 277798  Size: LH

Remove the latch assembly bolts.

Installation Procedure


    Object Number: 277798  Size: LH
  1. Start by hand the front latch assembly bolts in order to engage the net hole locator.
  2. Start by hand the rear latch assembly bolts in order to engage the net hole locator.
  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.

  4. Adjust the latch assembly.
  5. Tighten
    Tighten the bolts to 24 N·m (18 lb ft).

Door Latch Replacement Lower

Removal Procedure


    Object Number: 277799  Size: SH
  1. Note the alignment of the door latch by completing the appropriate step:
  2. • Use the striker as an alignment guide.
    • If the striker has been removed, mark the location of the door latch.
  3. Remove the latch assembly bolts.

Installation Procedure


    Object Number: 277799  Size: SH
  1. Install the latch assembly bolts.
  2. 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. Adjust the latch assembly alignment.
  4. Tighten
    Tighten the bolts to 24 N·m (18 lb ft).