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GMC Truck
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1991
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G 3500 1 Ton Van V8-305 5.0L
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Repair and Diagnosis
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Transmission and Drivetrain
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Automatic Transmission/Transaxle
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Torque Converter Clutch
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Testing and Inspection
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TCC Stuck on
TCC Stuck on
1.
Malfunctioning
TCC solenoid
.
2.
TCC
apply valve stuck.
3.
Quad driver module failure.