C 2500 Suburban 2WD V8-454 7.4L VIN J SFI (1998)
B. Remove blower housing from rear of case.
C. Remove 10 case clips.
D. Separate case halves.
10. Pipe insulator.
11. Evaporator core.
Install or Connect
1. Evaporator core.
2. Pipe insulator.
3. Heater/evaporator case cover screws or clips as equipped.
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Blower housing to case on Four Door Utility models
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Blower motor to case on Suburban models
4. Auxiliary case to the vehicle.
5. Auxiliary refrigerant hoses to auxiliary evaporator.
6. Rear heater hoses to auxiliary heater core, if equipped.
7. Electrical connectors, as necessary.
8. Right rear wheelhouse (Suburban only).
9. Right rear quarter trim panel.
10. Rear quarter interior trim, as necessary.
11. Negative battery cable.
12. Charge system.
13. Check system for leaks.
4 Door Utility
Figure 47 - Auxiliary A/C Module
Remove or Disconnect
1. Negative battery cable.
2. Recover refrigerant.
3. Rear quarter interior trim, as necessary.
4. Right rear quarter trim panel.
5. Right rear wheelhouse (Suburban only).
6. Rear heater hoses from auxiliary heater core, if equipped (Suburban only).
7. Auxiliary refrigerant hoses from auxiliary evaporator.
8. Electrical connectors, as necessary.
9. Heater/evaporator case cover.
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For Suburban models, proceed as follows:
