GM Service Manual Online
For 1990-2009 cars only

Adjustment Procedure

  1. Swing the endgate open.
  2. Loosen the screws retaining the endgate window run channels. Refer to Window Run Channels Replacement - Endgate Lower .

  3. Object Number: 902601  Size: SH
  4. Remove the regulator adjustment covers (3) from the endgate.
  5. Loosen the lower regulator attachment nuts (2).
  6. Adjust the fore/aft position of the endgate window by turning the adjustment screw (1).
  7. • To move the top edge of the window rearward, turn the adjustment screws clockwise.
    • To move the top edge of the window forward, turn the adjustment screws counterclockwise.
    • Each adjustment screw must be adjusted equally.
    • Each revolution of the adjustment screw moves the top edge of the window 1.5 mm (0.06 in) forward or rearward.
    • Maximum adjustment is 5 revolutions in either direction.

    Notice: Refer to Fastener Notice in the Preface section.

  8. Tighten the lower regulator attachment nuts (2). Ensure the adjustment screw does not turn.
  9. Tighten
    Tighten the regulator attachment nuts to 25 N·m (18 lb ft).

  10. Tighten the screws retaining the endgate window run channels. Refer to Window Run Channels Replacement - Endgate Lower .
  11. Install the regulator adjustment covers (3) to the endgate.