GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Pontiac
🢒
2001
🢒
Grand Prix
🢒
Engine
🢒
Engine Controls - 3.1L (LG8)
🢒 Heater Hoses Replacement
Heater Hoses Replacement 3.1L
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 and/or outlet clamp.
Disconnect the heater inlet hose and/or the outlet hose from the inlet and/or outlet pipe.
Use
J 38185
in order to position aside the heater core inlet and/or outlet hose clamp.
Disconnect the heater inlet hose and/or the outlet hose from the heater core.
Remove the heater inlet hose and/or the outlet hose.
Installation Procedure
Install the heater inlet hose and/or outlet hose.
Important:
Position heater core hose clamps in the indicated location.
Connect the heater inlet hose and/or the outlet hose to the heater core.
Use
J 38185
in order to secure the heater core hose inlet and/or outlet clamp.
Connect the heater inlet hose and/or the outlet hose to the inlet and/or outlet pipe.
Use
J 38185
in order to secure the heater hose inlet and/or outlet clamp.
Refill the cooling system. Refer to
Cooling System Draining and Filling
in Engine Cooling.
Heater Hoses 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.
Use
J 38185
in order to position aside the heater hose inlet and/or outlet clamp.
Disconnect the heater inlet hose and/or the outlet hose from the inlet and/or outlet pipe.
Use
J 38185
in order to position aside the heater core inlet and/or outlet hose clamp.
Disconnect the heater inlet hose and/or the outlet hose from the heater core.
Remove the heater inlet hose and/or the outlet hose.
Installation Procedure
Install the heater inlet hose and/or outlet hose.
Important:
Position heater core hose clamps in the indicated location.
Connect the heater inlet hose and/or the outlet hose to the heater core.
Use
J 38185
in order to secure the heater core hose inlet and/or outlet clamp.
Connect the heater inlet hose and/or the outlet hose to the inlet and/or outlet pipe.
Use
J 38185
in order to secure the heater hose inlet and/or outlet clamp.
Refill the cooling system. Refer to
Cooling System Draining and Filling
in Engine Cooling.