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GMC Truck
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1995
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K 2500 Truck 4WD V8-393 6.5L DSL Turbo VIN S
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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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Forward Motion In Neutral
Forward Motion In Neutral
1. Manual valve stuck.
2. Forward clutch springs, piston, and plates jammed.
3. Forward clutch housing and hub hole(s) plugged.