Mustang V8-302 5.0L HO (1987)
2.3L Heater Hose Routing
3. Drain engine coolant from cooling system. Remove hoses from heater core. Plug hoses and core.
4. Remove screw attaching air inlet duct and blower housing assembly support bracket to cowl top panel.
5. Disconnect vacuum supply hose (black) from inline vacuum check valve in engine compartment.
6. Disconnect blower motor wire harness from resistor and motor head.
7. Working under the hood, remove two nuts retaining heater assembly to dash panel.
8. In passenger compartment, remove screw attaching heater assembly support bracket to cowl top panel.
9. Remove one screw retaining bracket below heater assembly to dash panel.
10. Carefully pull heater assembly away from dash panel. Remove heater assembly from vehicle.
11. Carefully remove heater assembly.
12. Remove four heater core access cover attaching screws and remove access cover from case.
13. Lift heater core and seal from case.
14. Remove seal from heater core tubes.
