GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Cadillac
🢒
2003
🢒
Seville
🢒
HVAC
🢒
Heating, Ventilation and Air Conditioning
🢒 Heater Hoses Replacement
Tools Required
J 37097-A
Hose Clamp Remover/Installer
Removal Procedure
Drain the cooling system. Refer to
Cooling System Draining and Filling
in Engine Cooling.
Using the
J 37097-A
, remove the heater hose clamps from the heater core.
Using the
J 37097-A
, remove the heater hose clamps from the engine.
Remove the heater hoses from the heater core.
Remove the heater hoses (1, 2) from the engine.
Remove the heater hoses (1, 2).
Installation Procedure
Install the heater hoses (1, 2) to the engine.
Install the heater hoses to the heater core.
Using the
J 37097-A
, install the heater hose clamps to the engine.
Using the
J 37097-A
, install the heater hose clamps to the heater core.
Refill the cooling system. Refer to
Cooling System Draining and Filling
in Engine Cooling.