Adjustment Procedure

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Swing the endgate open.
Loosen the screws retaining the endgate window run channels. Refer to Window Run Channels Replacement - Endgate Lower .
Remove the regulator adjustment covers (3) from the endgate.

Fig 1: Identifying Endgate Regulator Adjustment Covers
Courtesy of GENERAL MOTORS CORP.
Loosen the lower regulator attachment nuts (2).
Adjust the fore/aft position of the endgate window by turning the adjustment screw (1).
- 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.

NOTE: Refer to Fastener Notice in Cautions and Notices.

Tighten the lower regulator attachment nuts (2). Ensure the adjustment screw does not turn.
Tighten: Tighten the regulator attachment nuts to 25 N.m (18 lb ft).
Tighten the screws retaining the endgate window run channels. Refer to Window Run Channels Replacement - Endgate Lower .
Install the regulator adjustment covers (3) to the endgate.