Operation CHARM
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Buick
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1991
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Regal V6-191 3.1L
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Repair and Diagnosis
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Engine, Cooling and Exhaust
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Cooling System
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Radiator Cooling Fan
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Radiator Cooling Fan Motor
Radiator Cooling Fan Motor
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Testing and Inspection
Initial Inspection and Diagnostic Overview
Component Tests and General Diagnostics
Component Diagnostic Charts - PFI
Chart C-12A (Production Release Before VIN 800,000)
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Part 2 of 2
Chart C-12B (Production Release After VIN 800,000)
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Part 2 of 2
System Diagnosis
Locations
Primary Cooling Fan
Secondary Coolant Fan
Service and Repair
Diagrams
Diagram Information and Instructions
Cell References
Schematic Symbols
Wire Color Code Identification
Diagnostic Aids
Pull-to-Seat Connectors
Push-to-Seat Connectors
Electrical Diagrams
Early Production
Part 1 of 2
Part 2 of 2
Regular Production
Part 1 of 2
Part 2 of 2