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Pontiac Truck
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1996
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Trans Sport V6-3.4L VIN E
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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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Harsh 2-1 Downshift
Harsh 2-1 Downshift
1.
Wrong spacer plate installed.
2.
1-2 accumulator seal cut or damaged.
3.
1-2 accumulator valve stuck.