Without A/C

1. Disconnect battery ground cable, then drain cooling system.
2. Disconnect inlet and outlet hoses from heater.
3. Proceed as follows:
a. Remove heater to floor pan attaching nuts, then disconnect blower motor electrical connectors.
b. Remove heater assembly from inside of vehicle.
c. Remove heater cover to heater assembly attaching screws. The heater core is assembled to the cover and will be removed as the cover is removed.
d. Remove heater core from heater cover.
5. Reverse procedure to install.