1. Temporarily remove the grille and permanently remove the airdam. 2. Disconnect the fog lamp wiring if applicable and then remove the plastic bumper cover from the bumper. 3. Remove the bolts that attach the bumper from the end of the frame rails. 4. Install the hanger plates (Ref 7 & 8). Note: On the drivers side make sure not to pinch the power steering hoses and airbag sensor wire. The top plate on the rear of the hanger plate must install above the hoses. Loosely install the u-bolt (Ref 6) with washers (Ref 11) and nuts (Ref 13) thru the top rear plate and use the bumper bolt temporarily to hold the front of the hanger plate in position. Finger tighten the fasteners until all undercarriage parts are in place. 5. Install the pushbeam (Ref 1) square with the bottom of the hanger plates and secure with bolts (Ref 12), (more…)

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Installation Procedure:
1. Remove the PLASTIC BUMPER FASCIA mounted to the bottom of the front bumper. For the Avalanche, remove the entire plastic bumper. Disconnect the fog lamp electrical harnesses prior to removing the bumper. Note: The airfoil/bumper will need to be permanently removed or notched to accommodate the undercarriage assembly.
2. Remove and discard the three bolts that secure each tow hook to the truck frame. The tow hooks should remain in the same position.
3. Align the undercarriage mount pockets (at each end of the PUSH BEAM WELDMENT) with the tow hook mounting brackets on the vehicle. Note: Use a floor jack to help facilitate the installation procedure.
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