C 2500 Suburban 2WD V8-454 7.4L VIN J SFI (1998)
Evaporator Core: Service and Repair
Auxiliary A/C System
Some
Figure 46 - Auxiliary Heater And A/C Module
Removing Case Clip
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).
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:
A. Remove case clips (Figure 48).
B. Remove eleven case screws.
C. Separate case halves.
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For Four Door Utility models, proceed as follows:
A. Remove screws securing case to rear quarter sheet metal.