GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1998 🢒 Astro - 4WD 🢒 Body and Accessories 🢒 Doors 🢒 Outside Handle and Lock Cylinder Replacement

Removal Procedure
  1. If door lock cylinders require replacement for any reason, apply a coating of GM P/N 12346241 or equivalent lubricant inside of the lock case and the cylinder keyway prior to assembling and installing the cylinder.

    2. In order to repair a binding lock cylinder, refer to Lock Cylinder Binding . In order to code a new lock cylinder, refer to Key and Lock Cylinder Coding in General Information.

  2. Remove the trim panel. Refer to Door Trim Panel Replacement .
  3. Use a sharp bladed tool in order to separate the water deflector at the perforations. Refer to Front Side Door Water Deflector Replacement
  4. Remove the access hole plug (1).
  5. Remove the lock rod  from the handle .
  6. Remove the handle to door nuts (4).

    7. Object Number: 327106 Size: SH
  7. Remove the handle from the door (2).
  8. Remove the lock rod from the lock cylinder (3).
  9. Remove the lock cylinder retainer.
  10. Remove the lock cylinder and the gasket (5) from the door.

Installation Procedure

    Important: Install new plastic retainer clips whenever the lock rods are removed.

  1. Install the gasket (5) and the lock cylinder to the door.
  2. Install the lock cylinder retainer .
  3. Install the lock rod to the lock cylinder.

    4. Object Number: 327106 Size: SH
  4. Install the handle to the door (2).

    5. 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.

  5. Install the handle to door nuts (4).

    6. Tighten
    Tighten the nuts to 6 N·m (53 lb in).

  6. Install the handle lock rod to the handle.
  7. Install the access hole plug (1).
  8. Install the water deflector. Refer to Front Side Door Water Deflector Replacement .
  9. Install the trim panel. Refer to Door Trim Panel Replacement .