Operation CHARM
: Car repair manuals for everyone.
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Buick
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1987
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Riviera V6-231 3.8L
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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
Symptom Related Diagnostic Procedures
Chart C-12C Coolant Fan Functional Check (No High Speed)
Chart C-12D Coolant Fan Functional Check (On at All Times)
Component Tests and General Diagnostics
Chart C-12A Cooling Fan Check (System Check)
Chart C-12B - Coolant Fan Functional Check (No Low Speed)
Diagrams
Diagram Information and Instructions
Electrical Diagrams
