GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1998 🢒 GMC Suburban - 2WD 🢒 Body and Accessories 🢒 Doors 🢒 Front Side Door Lock Replacement

Removal Procedure
  1. Remove the trim panel. Refer to Front Side Door Trim Panel Replacement .
  2. Remove the water deflector. Refer to Front Side Door Water Deflector Replacement .
  3. Remove the inner mounting panel assembly. Refer to Front Door Module Replacement .

    4. Object Number: 277773 Size: SH
  4. Remove the inside door handle and lock control rods.
  5. Remove the lock assembly bolts.

    6. Object Number: 277774 Size: SH
  6. Remove the outside door handle and lock control rods.
  7. Replace the plastic retainers following disassembly.

Installation Procedure

    Object Number: 277774 Size: SH
  1. Pull out the outside handle from the door opening.

    2. Slide the latch outside door connector onto the outside handle rod.

  2. Twist the latch into the door assembly.
  3. Retain the latch with the 3 screws.

    4. Object Number: 277773 Size: SH
  4. Connect the inside handle rod to the latch.

    5. The inside handle rod is the top rod.

  5. Connect the inside lock rod to the latch.

    6. The inside lock rod is the bottom rod.

  6. Insert the key in the lock cylinder.
  7. Adjust up and down the rod by turning the key through the opening.
  8. Install the inner mounting panel assembly. Refer to Front Door Module Replacement .
  9. Install the water deflector. Refer to Front Side Door Water Deflector Replacement .
  10. Install the trim panel. Refer to Front Side Door Trim Panel Replacement .