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GMC Truck
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1989
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K 3500 Truck 4WD V8-379 6.2L DSL
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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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Rough 2-3 Shift
Rough 2-3 Shift
1. Items 1, 2 and 3 under Rough 1-2 Shift will also cause rough 2-3 shift
2. Front servo accumulator spring broken or missing. Accumulator piston may be sticking.