GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Buick
🢒
2003
🢒
Park Avenue
🢒
HVAC
🢒
Heating, Ventilation and Air Conditioning
🢒 Heater Hoses Replacement
Tools Required
J 38185
Hose Clamp Pliers
Removal Procedure
Drain the cooling system. Refer to
Cooling System Draining and Filling
in Engine Cooling.
Position the
J 38185
in order to remove the heater hose clamps.
Remove the heater hoses from the heater core.
Remove the heater hoses from the heater pipe adapters.
Installation Procedure
Install the heater hoses on to the heater pipe adapters.
Install the heater hoses on to the heater core.
Position the
J 38185
in order to install the heater hose clamps.
Fill the cooling system. Refer to
Cooling System Draining and Filling
in Engine Cooling.