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GMC Truck
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2003
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Envoy 4WD L6-4.2L VIN S
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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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Technical Service Bulletins
Radiator Cooling Fan: Technical Service Bulletins
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Customer Interest
Electrical - SES Lamp ON/DTC's P0480/P0526/P1481/P1484
A/C - Slow to Cool in Hot/Humid Conditions
Engine Controls - Underhood Ticking Noise
By Symptom
Abnormal wear/deterioration
Electrical - SES Lamp ON/DTC's P0480/P0526/P1481/P1484
Customer Interest
Electrical - SES Lamp ON/DTC's P0480/P0526/P1481/P1484
A/C - Slow to Cool in Hot/Humid Conditions
Engine Controls - Underhood Ticking Noise
Noise
Engine Controls - Underhood Ticking Noise
Poor performance
A/C - Slow to Cool in Hot/Humid Conditions
All Technical Service Bulletins
Electrical - SES Lamp ON/DTC's P0480/P0526/P1481/P1484
A/C - Slow to Cool in Hot/Humid Conditions
Engine Controls - Underhood Ticking Noise
Cooling System - Electro-Viscous Fan Clutch Operation