GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Important: Note the position of the side rail lamp lens for installation.


    Object Number: 639893  Size: SH
  1. Remove the side rail lamp lens from the assist handle using a small flat-bladed tool.

  2. Object Number: 639894  Size: SH
  3. Remove the screws from the side rail lamp housing.

  4. Object Number: 639895  Size: SH
  5. Remove the screws from the assist handle.

  6. Object Number: 639898  Size: SH
  7. Remove the side rail lamp/assist handle from the roof.

  8. Object Number: 639899  Size: SH
  9. Disconnect the electrical connector from the side rail lamp on the assist handle.

  10. Object Number: 639900  Size: SH
  11. Release the socket from the side rail lamp housing.

  12. Object Number: 639901  Size: SH
  13. Remove the socket from the side rail lamp housing.

  14. Object Number: 639902  Size: SH
  15. Remove the bulb from the socket.

Installation Procedure


    Object Number: 639902  Size: SH
  1. Install the bulb to the side rail lamp socket.

  2. Object Number: 639901  Size: SH
  3. Install the socket to the side rail lamp housing.

  4. Object Number: 639899  Size: SH
  5. Connect the electrical connector to the side rail lamp.

  6. Object Number: 639898  Size: SH
  7. Install the side rail lamp/assist handle to the roof.
  8. 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.


    Object Number: 639895  Size: SH
  9. Install the screws to the assist handle.
  10. Tighten
    Tighten the assist handle screws to 3 N·m (27 lb in).


    Object Number: 639894  Size: SH
  11. Install the screws to the side rail lamp housing.
  12. Tighten
    Tighten the side rail lamp housing screws to 3 N·m (27 lb in).


    Object Number: 639893  Size: SH
  13. Position the side rail lamp lens to the side rail lamp.

  14. Object Number: 639903  Size: SH
  15. Install the side rail lamp lens to the side rail lamp, pressing into place until fully seated.