K 2500 Yukon XL 4WD V8-8.1L VIN G (2001)
12. Install the heater lines (2, 3) to the auxiliary HVAC module at the underside of vehicle.
13. Remove the safety stands.
14. Lower the vehicle.
15. Fill the engine coolant. Refer to Draining and Filling Cooling System in Cooling System.
16. Recharge the refrigerant to the system. Refer to Refrigerant Recovery and Recharging.
