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GMC Truck
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1987
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R 3500 P/U 2WD V8-454 7.4L VIN N TBI
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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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Slips 2-3 Shift
Slips 2-3 Shift
1. Items 1 through 6 under Slips 1-2 Shift will also cause 2-3 shift slips.
2. Direct clutch plates burned.
3. Oil seal rings on direct clutch may be damaged permitting excessive leaking between tower and bushing.