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Installation Procedure

WARNING: This page is about a different car, the 2002 Buick Regal and 2002 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.

Important:  When installing a new SPE switch, the window must first be set to the CLOSED position. The cable mechanisms and/or the cam mechanisms, on both sides of the glass, contain a set of timing holes. These holes are aligned in the window CLOSED position. These holes are located on the side opposite the rear screw hole that is used in order to mount the sunroof glass panel.

  1. Align the timing holes. Use a flat-bladed tool in order to push the cable mechanism and/or cam mechanism forward or rearward.

    Insert a pin (1) 3.17 mm (0.125 in) in diameter, or insert a drill bit into each set of holes. Apply tape in order to hold each pin in place.

    Fig 1: Identifying Timing Hole Pin
    G01756000Courtesy of GENERAL MOTORS CORP.

    Important:  The SPE comes from the factory with a position lock pin that is installed on top of the switch. This locks the timing gears in place. Do not remove this pin until after you install the SPE and the actuator.

  2. Keeping the position lock pin on the new SPE switch, position the switch over the drive cables, and press down.

    If the switch does not slide into position, the ridges on the drive cable housings will not slide into the grooves on the back of the SPE switch. Lift each cable up into the switch and then press down on the assembly.

    Fig 2: Identifying Bottom View Of Sunroof Positioning Encoding (SPE) Switch
    G01756001Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to FASTENER NOTICE .
  3. Install the SPE switch retaining screw. Tighten the screw to 3 N.m (27 in lbs).
  4. Connect the electrical connector to the SPE switch.
  5. Install the sunroof actuator. Refer to Sunroof Actuator Replacement .
  6. Remove the position lock pin (1).
    7. Fig 3: Identifying Sunroof Positioning Encoding (SPE) Switch
    G01756002Courtesy of GENERAL MOTORS CORP.
  7. Remove the 2 alignment pins from the cable mechanisms and/or from the cam mechanisms.
  8. Install the sunroof module, but do not install the headliner until after the sunroof operation has been checked. Refer to Power Sunroof Module Replacement .
  9. Verify the operation of the sunroof.
  10. Install the sunroof glass panel. Refer to Sunroof Glass Panel Replacement .
  11. Inspect the sunroof for proper adjustment of the sunroof glass panel. Refer to Sunroof Glass Height and Opening Fit Adjustment .
  12. Install the headliner. Refer to HEADLINER REPLACEMENT .
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