GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2003
🢒
Monte Carlo
🢒
Engine
🢒
Engine Electrical
🢒 Heater Inlet Hose Replacement
Heater Inlet Hose Replacement 3.4L
Tools Required
J 38185
Hose Clamp Pliers
Removal Procedure
Drain the cooling system. Refer to
Cooling System Draining and Filling
in Engine Cooling.
Use
J 38185
in order to position aside the heater hose inlet clamp.
Disconnect the heater inlet hose (3) from the inlet pipe.
Use
J 38185
in order to position aside the heater core inlet hose clamp.
Disconnect the heater inlet hose from the heater core.
Remove the heater inlet hose.
Installation Procedure
Install the heater inlet hose.
Connect the heater inlet hose to the heater core.
Important:
Position heater core hose clamps in the indicated location.
Use
J 38185
in order to secure the heater core hose inlet clamp.
Connect the heater inlet hose (3) to the inlet pipe.
Use
J 38185
in order to secure the heater hose inlet clamp.
Refill the cooling system. Refer to
Cooling System Draining and Filling
in Engine Cooling.
Heater Inlet Hose Replacement 3.8L
Tools Required
J 38185
Hose Clamp Pliers
Removal Procedure
Drain the cooling system. Refer to
Cooling System Draining and Filling
in Engine Cooling.
Remove the fuel injector sight shield. Refer to
Fuel Injector Sight Shield Replacement
in Engine Mechanical-3.8L.
Use
J 38185
in order to position aside the heater hose inlet clamp at the pipe adapter.
Disconnect the heater inlet hose from the pipe adapter.
Use
J 38185
in order to position aside the heater core inlet hose clamp.
Disconnect the heater inlet hose from the heater core.
Remove the heater inlet hose from the support bracket.
Installation Procedure
Install the heater inlet hose to the support bracket.
Connect the heater inlet hose to the heater core.
Use
J 38185
in order to secure the heater core hose inlet clamp.
Connect the heater inlet hose to the pipe adapter.
Use
J 38185
in order to secure the heater hose inlet clamp.
Install the fuel injector sight shield. Refer to
Fuel Injector Sight Shield Replacement
in Engine Mechanical-3.8L.
Refill the cooling system. Refer to
Cooling System Draining and Filling
in Engine Cooling.