GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2008 🢒 XLR 🢒 Body Systems 🢒 Vehicle Access 🢒 Door Lock Replacement

Removal Procedure
  1. Move the seat to the forward position, with the seat back also tilted forward.

    2. Caution: Refer to Battery Disconnect Caution in the Preface section.

  2. Disconnect the battery.
  3. Remove the door sill trim. Refer to Carpet Retainer Replacement .
  4. Remove the B-pillar trim panel (1). Refer to Body Lock Pillar Trim Panel Replacement .

    5. Object Number: 1071088 Size: SH
  5. Remove the mastic cover (1) from the door lock access hole in the body.

    6. Object Number: 1070880 Size: SH
  6. Remove the fasteners (1) from the B-Pillar mounted door lock (3).

    7. Object Number: 1070834 Size: SH
  7. Remove the lock (1) from the body access hole.

    8. Object Number: 929153 Size: SH
  8. Slide the electrical connector lock (1) to the open position, and remove the connector (2) from the door lock.

    9. Object Number: 1291920 Size: SH
  9. Remove the fasteners from rear lock cover securing the cables.
  10. Unseat the cable sheath ends, and remove the lock cover.
  11. Remove the cable ends by rotating the cable a quarter turn to disengage from the lock-actuating lever.
  12. Remove the lock from the vehicle.

Installation Procedure
  1. Remove the rear cover from the replacement lock.
  2. Install the cable ends onto the replacement lock by engaging the cable end into the lock-actuating lever, and rotating the cable a quarter turn.

    3. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1291920 Size: SH

    Important: The rear release is attached to the lock upper lever. The floor mounted release cable is attached to the lower lever.

  3. Seat the cable's sheath into the molded lock cover recess, and install the lock cover fasteners.

    4. Tighten
    Tighten the screws to 2 N·m (18 lb in).


    Object Number: 929153 Size: SH
  4. Install the electrical connector (2), and slide the connector lock (1) to the seated position on the door lock mechanism.

    5. Object Number: 1070834 Size: SH
  5. Place the lock (1) in the B-Pillar body access hole, aligning the fastener (3) holes to the body.

    6. Object Number: 1070880 Size: SH
  6. Install the fasteners (1) through the cover plate (2) and to the B-Pillar mounted door lock (3).

    7. Tighten
    Tighten the screws to 10 N·m (89 lb in).


    Object Number: 1071088 Size: SH
  7. Install a new mastic cover (1) over the door lock access hole.
  8. Reconnect the battery.
  9. Verify the manual and electrical functions of the lock.
    10. • Door lock release handle - interior floor mounted
    • Door lock release handle - rear compartment mounted
    • Door lock release handle - interior door panel push button
    • Door lock release handle - exterior door touch pad
  10. Install the B-pillar trim panel. Refer to Body Lock Pillar Trim Panel Replacement .
  11. Install the door sill cover. Refer to Carpet Retainer Replacement .
  12. Move the seat to the original position.