Avalanche
1. Open the hood.
2. Remove the fasteners (1) from the grille on the radiator support.

3. Pull the grille out of the radiator support reinforcement.
4. Pull the grille out of the fender clips. Remove the grille from the vehicle.

5. Installation is carried out in reverse order.
Cadillac
1. Open the hood.
2. Remove the fasteners (1) from the grille on the upper fairing.

3. Remove the upper fairing.
4. Loosen the screw (1) securing the grille. Tightening torque 9 Nm.

5. Pull the upper corners of the grille until the clips (2) come out of the support.
6. Twist the top of the grill slightly to release the grill from the lower supports. Remove the grill from the belt loops.
7. Remove the grille from the vehicle.
8. Installation is carried out in reverse order.
Chevrolet and GMC
1. Open the hood.
2. Remove the upper fairing.

3. Turn the grille fasteners 90° counterclockwise.

4. Loosen the screw securing the grille to the hood lock support. Tightening torque 9 Nm.
Chevrolet grille
GMC grille
5. Pull the grille out of the fender clips. Remove the grille from the vehicle.
6. Installation is carried out in reverse order.
The article was borrowed from the website «chevyman.ru»
