Quarter Window Glass: Adjustments
Folding Top Quarter Window Adjustment
Fore/Aft and Cross Car Adjustment Procedure
1. Open the folding top as shown in the illustration. Dimension (A) is 400 mm (15.75 in) from the windshield header to the leading edge of the folding top panel.
2. Place a protective covering over the interior of the vehicle and the adjacent body panels.
3. Partially remove the quarter window trim (1) to gain access to the quarter window screws (2).
4. Using a grease pencil, mark the location of the screws (2) to the quarter window bracket (3).
5. Loosen the quarter window screws (2).
6. Adjust the quarter window, as necessary.
7. Apply LOCTITE(TM) Blue, GM P/N 12345382 (Canadian P/N 10953489) or equivalent to the bolts.
Caution: Refer to Fastener Caution (Fastener Caution).
8. Tighten the quarter window screws (2) to 7 Nm (62 lb in).
9. Install the quarter window trim (1).
10. Manually close the folding top. Refer to Folding Top Manual Operation (Folding Top Manual Operation).
11. Repeat the adjustment procedure, as necessary.
12. Remove the protective covering.
13. Cycle the folding top under power through one complete cycle in both directions.
14. Inspect the folding top for proper operation. Refer to Power Folding Top Description and Operation (Power Folding Top Description and Operation).
Approach Angle Adjustment Procedure (First Design)
1. The distance (A) from the windshield header to the leading edge of the folding top panel is 400 mm (15.75 in).
2. Place a protective covering over the interior of the vehicle and the adjacent body panels.
Note: The descriptions and the illustrations below represent the driver side quarter window. The passenger side window is similar, but the directions are reversed.
3. While holding the turnbuckle (2), loosen both of the jam nuts (1) on the drive rod.
4. Turn the turnbuckle (2), as necessary, to adjust the quarter window.
* Turn the turnbuckle clockwise to adjust the driver side window in.
* Turn the turnbuckle counterclockwise to adjust the driver side window out.
* Turn the turnbuckle counterclockwise to adjust the passenger side window in.
* Turn the turnbuckle clockwise to adjust the passenger side window out.
5. While holding the turnbuckle (2) tighten both of the drive rod jam nuts (1) to 6 Nm (53 lb in).
Note: A properly aligned quarter window (1) will contact the inner side of the bulb seal (2) at the midpoint of the down slope.
6. Manually close the folding top, until the rear edge of the quarter window starts to contact the bulb seal. Refer to Folding Top Manual Operation (Folding Top Manual Operation).
7. Repeat the adjustment procedure, as necessary.
8. Remove the protective covering.
9. Cycle the folding top under power through one complete cycle in both directions.
10. Inspect the folding top for proper operation. Refer to Power Folding Top Description and Operation (Power Folding Top Description and Operation).
Approach Angle Adjustment Procedure (Second Design)
1. The distance (A) from the windshield header to the leading edge of the folding top panel is 400 mm (15.75 in).
2. Place a protective covering over the interior of the vehicle and the adjacent body panels.
Note: The descriptions and the illustrations below represent the driver side quarter window. The passenger side window is similar, but the directions are reversed.
3. If the vehicle is equipped with a jamb nut, loosen the jamb nut (1) from the drive rod socket.
4. Remove the ball stud lock ring (1).
5. Remove the drive rod socket (2) from the ball stud (1).
6. Turn the drive rod socket, as necessary, to adjust the quarter window.
* Turn the socket clockwise to adjust the driver side window in.
* Turn the socket counterclockwise to adjust the driver side window out.
* Turn the socket counterclockwise to adjust the passenger side window in.
* Turn the socket clockwise to adjust the passenger side window out.
7. Install the drive rod socket (2) to the ball stud (1).
8. Install the ball stud lock ring (1).
9. If the vehicle is equipped with a jamb nut, install the jam nut (1) to the drive rod socket. Do NOT tighten the jamb nut.
Note: A properly aligned quarter window (1) will contact the inner side of the bulb seal (2) at the midpoint of the down slope.
10. Manually close the folding top, until the rear edge of the quarter window starts to contact the bulb seal. Refer to Folding Top Manual Operation (Folding Top Manual Operation).
11. Repeat the adjustment procedure, as necessary.
12. Remove the protective covering.
13. Cycle the folding top under power through one complete cycle in both directions.
14. Inspect the folding top for proper operation. Refer to Power Folding Top Description and Operation (Power Folding Top Description and Operation).