Evaporator Core: Service and Repair

Evaporator

1. Disconnect battery ground cable.
2 On models with air bag, disarm and remove air bag module from steering wheel and passenger side as outlined under Technician Safety Information.
3. Recover refrigerant from A/C system. Care should be taken to avoid excess compressor oil discharge with refrigerant.
4. Remove blower motor unit as outlined under Blower Motor. Blower Motor
5. Disconnect A/C amplifier and thermistor wire connectors.
6. Disconnect compressor suction hose and receiver/dryer outlet hose from cooling unit fittings. Cap all opened fittings to prevent moisture from entering A/C system.
7. Remove evaporator case, then the evaporator unit. Heating and Air Conditioning

Fig. 10 Evaporator Case Separation:

8. Remove case clamps, then separate evaporator case halves, Fig. 10.
9. Remove evaporator core attaching screws, then the evaporator core.
10. Reverse procedure to install.