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GMC
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1991
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Forward Control 5.7 K, Automatic
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Repair and Diagnosis
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Engine Performance
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Engine Controls - System/Component Tests
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Miscellaneous ECM Controls
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C-12, Cooling Fan (3.1L Only)
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Notes
C-12, Cooling Fan (3.1L Only): Notes
NOTE:
For additional information on electric cooling fans, see
ENGINE COOLING FAN
article in ENGINE COOLING section.