Operation CHARM
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Oldsmobile
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1987
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Cutlass V6-231 3.8L VIN A 2-bbl
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Repair and Diagnosis
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Heating and Air Conditioning
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Air Door
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Air Door Actuator / Motor
Air Door Actuator / Motor
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Description and Operation
Heater Water Valve
A/C Evaporator Core
Inlet and Outlet Doors
Temperature Valve
Testing and Inspection
System Check
With A/C
Without A/C
System Diagnosis
With A/C
Without A/C
Troubleshooting Hints
With A/C
Without A/C
Locations
BI-Directional Lower Mode Valve Vacuum Actuator
Outside Air Valve Vacuum Actuator
A/C Defrost Valve Vacuum Actuator
BI-Directional Lower Mode Vacuum Motor
A/C Defrost Vacuum Motor
Service and Repair