GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Oldsmobile
🢒
1998
🢒
Intrigue
🢒
HVAC
🢒
HVAC Systems - Manual
🢒 Heater Hoses Replacement
Removal Procedure
Tools Required
J 38185
Hose Clamp Pliers
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 core inlet and/or outlet hose clamp.
Disconnect the heater inlet hose and/or the outlet hose from the heater core.
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 pipe adapter.
Remove the heater inlet hose and/or the outlet hose.
Installation Procedure
Install the heater inlet hose and/or outlet hose.
Connect the heater inlet hose and/or the outlet hose to the pipe adapter.
Use
J 38185
in order to secure the heater hose inlet and/or outlet clamp.
Connect the heater inlet hose and/or the outlet 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 and/or outlet 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.
Inspect the cooling system for leaks. Refer to
Cooling System Leak Testing
in Engine Cooling.