Evaporator Core: Service and Repair

EVAPORATOR AND HOUSING

REVIEW ALL WARNINGS AND CAUTIONS IN THIS GROUP BEFORE PERFORMING THIS OPERATION.

REMOVAL

1. Recover refrigerant from A/C system.

2. Disconnect A/C lines.

3. Remove hose clamps and dash grommet retaining screws.






4. Remove the evaporator housing-to-instrument panel attaching screws and the housing mounting bracket screw.

5. Lower the evaporator housing and pull the hoses and hose grommet through the dash opening.






6. Remove upper housing and remove evaporator. The evaporator core, control switches, expansion valve, blower motor and housing can be serviced after removing evaporator housing.

INSTALLATION

Add 30 ml (1 fluid oz.) of refrigerant oil to the A/C system if the evaporator is replaced.

1. Install evaporator into housing and install upper housing.

2. Push A/C hoses through the grommet openings and install the hose grommet by pushing it toward the engine compartment.

3. Install hose grommet attaching screws.

4. Raise evaporator housing and install the evaporator housing-to- instrument panel attaching screws.

5. Install A/C lines.

6. Evacuate, charge and leak test the system.