Yukon 4WD V8-5.3L (2008)
9. Install the heater lines (2, 3) to the auxiliary HVAC module at the underside of vehicle.
10. Lower the vehicle.
11. Fill the engine coolant. Refer to Cooling System Draining and Filling (Static Fill).
12. Recharge the refrigerant to the system. Refer to Refrigerant Recovery and Recharging.
13. Leak test the fittings of the component using the J 39400-A.
