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GMC Truck
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1991
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K 1500 Truck 4WD V8-350 5.7L
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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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Testing and Inspection
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Symptom Related Diagnostic Procedures
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4L80-E Automatic Transmission
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No Torque In Reverse & Third
No Torque In Reverse & Third
1. Forward clutch hub broken.
2. Forward clutch housing.