GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2009
🢒
Yukon Denali
🢒
HVAC
🢒
Heating, Ventilation, and Air Conditioning
🢒 Heater Outlet Hose Replacement
Removal Procedure
Drain the cooling system. Refer to
Cooling System Draining and Filling
.
Remove the air intake tube.
Remove the heater and surge tank hoses from the mounting clip.
Squeeze the plastic retainer release tabs.
Pull the connection apart.
Remove the outlet heater hose from the water pump.
Reposition the outlet heater hose clamp at the surge tank.
Remove the outlet heater hose from the surge tank.
Remove the outlet heater hose.
Installation Procedure
Install the outlet heater hose.
Install the outlet heater hose to the water pump.
Install the outlet heater hose to the surge tank.
Install the outlet heater hose clamp to the surge tank.
Connect the heater and surge tank hoses to the heater core.
Important:
Firmly push the quick connect onto the heater core hose until you hear an audible click.
Pull the heater outlet hose to ensure the connection.
Install the heater and surge tank hoses to the mounting clip.
Install the air intake tube.
Fill the cooling system. Refer to
Cooling System Draining and Filling
.