Yukon XL 2500 2WD V8-8.1L VIN G (2004)
2. Install the inlet heater hose (1) to the coolant outlet fitting.
3. Connect the heater and surge tank hoses to the heater core.
IMPORTANT: Firmly push the quick connect onto the heater core pipe until you hear an audible click.
4. Install the heater and surge tank hoses to the mounting clip.
5. Install the air intake tube.
6. Fill the cooling system. Refer to Draining and Filling Cooling System in Cooling System.
