Tailgate: Adjustments

Endgate Adjustment




1. Adjust the cross car position at the endgate.

1. Open the endgate (drop position).
2. Loosen the bolts (1) retaining the endgate hinge to the body.

Notice: Refer to Fastener Notice in Service Precautions.

3. Adjust the endgate position to center the endgate in the body opening.

Tighten the endgate hinge bolts to 25 N.m (18 lb ft).

4. It may be necessary to add or remove shims under the left lower and left upper strikers. Use GM P/N 15077309 and GM P/N 15077308 respectively to achieve cross car adjustment. Refer to Striker Replacement - Endgate Upper Lock - Left and to Striker Replacement - Endgate Lower Lock.




2. Adjust the right upper striker position.

1. Loose the bolts (1) retaining the right upper striker.
2. Carefully close the endgate to center the striker in the latch opening.
3. Open the endgate (drop position).
4. Note the position of the right upper striker adjustment marks (2).
5. Adjust the kick-up position of the right upper striker by moving the right upper striker outboard in small increments until the left lower latch engages the latch smoothly when the gate is swung closed.
6. The in/out position of the right upper striker can be adjusted by adding or removing shims, GM P/N 15077306, as necessary.
7. Tighten the right upper striker bolts.

Tighten the right upper striker bolts to 25 N.m (18 lb ft).




3. Adjust the left upper striker position.

1. Open the endgate (drop position).
2. Remove the left rear tail lamp.
3. Remove the sealing strip covering the striker access hole.
4. Loosen the nuts (2) retaining the left upper striker (3) to the body.
5. The in/out adjustment of the left upper striker can be adjusted by carefully bending the bendable striker plate (1) in/out as necessary.
6. Carefully close the endgate to center the left upper striker to the latch.
7. Tighten the nuts retaining the left upper striker to the body.

Tighten the nuts to 25 N.m (18 lb ft).

8. Install the sealing strip covering the left upper striker access hole.
9. Install the left rear tail lamp.




4. Adjust the endgate wedges.

1. Open the endgate (drop position).
2. Loosen the screws on both the endgate mounted wedge and the body mounted wedge.
3. Slide the endgate mounted wedge (2) fully forward.
4. Slide the body mounted wedge (1) fully rearward.
5. Close the endgate to set the endgate wedge positions.
6. Open the endgate.
7. Tighten the screws on both the endgate mounted wedge and the body mounted wedge.

Tighten the endgate wedge to 10 N.m (89 lb in).

5. Inspect and adjust the endgate window.