Evaporator Case: Service and Repair

SPECIAL TOOLS

Description Tool Number
Spring Lock Coupling Tool (1/2 in.) T81P-19623-G2
Spring Lock Coupling Tool (3/4 in.) T81P-19623-A


REMOVAL






1. Disconnect the battery ground cable.

NOTE: This procedure does not require the removal of the Instrument Panel.

2. Recover the refrigerant. Please refer to Heating and Air Conditioning/Service and Repair/ Service and Repair






3. Disconnect the A/C cycling switch.






4. Disconnect the electrical connectors.
1 Disconnect the A/C blower motor electrical connector.
2 Disconnect the A/C blower motor resistor electrical connector.






5. Disconnect the heater core.
1 Disconnect the heater water hoses.
2 Disconnect the heater water control valve vacuum hose.






6. Position the speed control servo aside.
1 Remove the (A) bolt and disconnect the (B) servo electrical connector.
2 Position the speed control servo aside.






7. Remove the two nuts and the two screws from the windshield washer reservoir/coolant recovery tank. Set the tank aside.






8. Use Spring Lock Coupling Disconnect Tool (3/4 in) to disconnect the A/C manifold and tube from the suction accumulator/drier, please refer to Heating and Air Conditioning/Coupler HVAC/Service and Repair/ Service and Repair






9. Use Spring Lock Coupling Disconnect Tool (1/2 in) to disconnect the condenser to evaporator tube, please refer to Heating and Air Conditioning/Coupler HVAC/Service and Repair/ Service and Repair






10. Disconnect the (B) A/C system vacuum harness and the (A) A/C evaporator case mounting nut inside the vehicle.






11. Remove the A/C evaporator case.
1 Remove the three underhood and one underdash nuts.
2 Lift the A/C evaporator case out of the vehicle.

INSTALLATION






















1. To install, reverse the removal procedure.

NOTE: When the battery has been disconnected and reconnected, some abnormal drive symptoms may occur while the vehicle relearns its adaptive strategy. The vehicle may need to be driven 16 km (10 mi) or more to relearn the strategy.

2. Evacuate, charge and leak test the system. Please refer to Heating and Air Conditoning/Service and Reapir/ Service and Repair
3. Test the system for proper operation.