A/C Module Replace

Fig. 3 A/C evaporator & heater module.:

CUTLASS CALAIS, SOMERSET REGAL, 84-85 GRAND AM

1. Disconnect battery ground cable.
2. Remove left sound insulator, steering column filler pad and collar assembly.
3. Remove sound insulator from instrument panel and dash assembly.
4. Remove instrument panel center trim and panel compartment insert.
5. Remove right and lower instrument panel trim assemblies.
6. Remove A/C control assembly and defroster outlet.
7. Remove radio, upper and lower instrument panel attaching bolts.
8. Remove console bracket attaching bolts and lower steering column assembly.
9. Remove lower heater duct.
10. Mark, then disconnect all necessary electrical connectors to enable the instrument panel to be moved outward.
11. Drain cooling system, then carefully discharge refrigerant from A/C system.
12. Raise and support vehicle.
13. Disconnect and cap refrigerant lines from evaporator assembly.
14. Disconnect heater hoses and remove drain hose.
15. Remove lower module attaching bolts.
16. Lower vehicle.
17. Remove top module attaching bolts and inside module attaching bolts.
18. Remove vacuum tank and disconnect vacuum lines from actuator assembly.
19. Remove ECM assembly and bracket.
20. Remove instrument panel attaching bracket and module assembly, Fig. 3.
21. Reverse procedure to install.