Heater Core Case: Service and Repair

REMOVAL
1. Disconnect the battery ground cable.
2. Recover the refrigerant. Refer to: "Heating and Air Conditioning : Service and Repair" Service and Repair
3. Drain the radiator. Refer to: "Engine, Cooling and Exhaust : Cooling System : Service and Repair" Service and Repair
4. Remove the instrument panel. Refer to: "Body and Frame : Interior Trim : Dash Board : Service and Repair" Service and Repair








5. Disconnect the heater water hoses at the heater core.







6. Disconnect the refrigerant line spring lock couplings from the A/C evaporator cores.







7. Remove the plenum chamber nuts (engine side).







8. Disconnect the A/C vacuum hose from the A/C vacuum check valve.







9. Remove the plenum chamber nuts (interior).







10. Remove the plenum chamber.

INSTALLATION












1. Follow the removal procedure in reverse order.