Sierra 1500 4WD V8-5.3L VIN Z Flex Fuel (2005)
7. Remove the upper front end guard assembly fastener (1) from the guard center bracket.
8. Remove the front end guard assembly from the vehicle.
9. Remove the 2 guard center bracket fasteners (1) from the upper guard support bracket.
10. Remove the guard center bracket from the vehicle.
11. Remove the front grille.
12. Remove the front bumper.