Yukon 4WD V8-5.3L (2008)
3. Connect the heater hose 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 Cooling System Draining and Filling (Static Fill).
Heater Outlet Hose Replacement
Heater Outlet Hose Replacement
Removal Procedure
1. Drain the cooling system. Refer to Cooling System Draining and Filling (Static Fill).
2. Remove the air intake tube.
3. Remove the heater and surge tank hoses from the mounting clip.
4. Squeeze the plastic retainer release tabs.
5. Pull the connection apart.
