With Manual Temperature Control A/C
RemovalFig 8 Suction Accumulator/Drier Dome Type:
Note: Whenever an evaporator case is removed, it will be necessary to replace the suction accumulator/drier.
1. Disconnect battery ground cable.
2. Drain coolant from radiator into a clean container.
3. Discharge refrigerant from A/C system. Observe all safety precautions.
4. Disconnect heater hoses from heater core. Plug heater core tubes or blow coolant from heater core with low-pressure air.
5. Disconnect vacuum supply hose from in-line vacuum check valve in engine compartment.
6. Disconnect liquid line and accumulator from evaporator core at dash panel. Cap refrigerant lines and evaporator core to prevent entrance of dirt and excess moisture.
7. Remove instrument panel and place it on front seat. Service and Repair
8. Remove screw holding instrument panel shake brace to evaporator case.
Remove instrument panel shake brace.
9. Remove floor register and rear floor ducts from the bottom of evaporator case (two screws).
Fig 18 Heater And Evaporator Exploded View:
10. Remove three nuts attaching, evaporator case to dash panel in engine compartment (Fig. 18).
11. Remove two screws attaching support brackets to cowl top panel (Fig. 18).
12. Carefully pull evaporator case assembly away from dash panel and remove it from vehicle.
Installation
1. Position evaporator case assembly to dash panel and cowl top panel at air inlet opening.
Install two screws attaching support brackets to cowl top panel.
2. Install three nuts in engine compartment attaching evaporator case to dash panel.
3. Install floor register and rear floor ducts on the bottom of the evaporator case.
4. Install instrument panel shake brace and screw to evaporator case.
5. Install instrument panel.
6. Connect liquid line and suction accumulator to evaporator core.
7. Connect heater hoses to heater core.
8. Connect black vacuum supply hose to vacuum check valve in engine compartment.
9. Fill radiator to correct level with previously removed coolant or specified mixture of coolant and water.
10. Connect battery ground cable.
11. Leak test, evacuate and charge A/C refrigerant system.
12. Check system for proper operation.