GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2005 🢒 Terraza - 4WD 🢒 Vehicle Control Systems 🢒 Vehicle DTC Information 🢒 Door Latch Replacement

Removal Procedure

    Important: By removing the power sliding door (PSD) 15A fuse, the low current logic power for both the LH and RH power sliding door modules (PSDM) will be interrupted and both PSDs will be inoperative.

  1. If equipped with a power sliding door, disable the PSD system by removing the PSD 15A fuse from the instrument panel (I/P) fuse block.
  2. Remove the sliding door inner trim panel. Refer to Rear Side Door Trim Panel Replacement .
  3. Remove the sliding door water deflector. Refer to Rear Side Door Water Deflector Replacement .

    4. Object Number: 1480602 Size: SH
  4. Remove the sliding door latch screws.
  5. Remove the sliding door latch from the sliding door.
  6. When the sliding door latch is loose, unhook the latch/lock rod form the sliding door latch.

Installation Procedure

    Object Number: 1480602 Size: SH
  1. Hook the latch/lock rod to the sliding door latch.
  2. Install the sliding door latch to the sliding door.

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

  3. Install the sliding door latch screws in sequence, as shown.

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

  4. Ensure the rear latch lock rod is secured into the latch rod insulator.
  5. Install the sliding door water deflector. Refer to Rear Side Door Water Deflector Replacement .
  6. Install the sliding door inner trim panel. Refer to Rear Side Door Trim Panel Replacement .

    7. Important: By installing the 15A fuse, the low current logic power will be restored to both the LH and RH PSDMs and the PSDs will be operational. However, both PSDMs will have to learn the full open and full closed positions of the PSD. Refer to Rear Side Door Actuator Control Module Programming and Setup .

  7. If equipped with a power sliding door, enable the PSD system by installing the PSD 15A fuse into the I/P fuse block.