2009 Chevrolet Suburban 1500 Air Suspension Compressor

You should raise and support the vehicle, turn the ignition On, with the engine OFF, install a scan tool, with the scan tool, exhaust the air from the system for at least 60 seconds, disconnect the air tube from the air dryer, disconnect the electrical connection, remove the air inlet and hose from the fuel filler neck bracket, loosen the mounting nuts, slide the air compressor rearward to clear the frame slot and remove the air compressor from the vehicle.

You should install the air compressor to the vehicle, slide the air compressor forward to secure the fasteners into the frame slots and install the mounting nuts, install the air inlet hose to the fuel filler neck bracket, connect the air tube to the air dryer, connect the electrical connection, lower the vehicle, turn the ignition ON, with the engine OFF, install a scan tool. with the scan tool, operate the air compressor for 30 seconds or until the rear of the vehicle begins to rise, remove the scan tool and cycle the ignition OFF, and then back ON, with the engine ON to allow the air suspension system to regain the desired rear suspension position.