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Home >> GMC Truck >> 1995 >> G 3500 1 Ton Van V8-393 6.5L DSL VIN Y >> Repair and Diagnosis >> Transmission and Drivetrain >> Automatic Transmission/Transaxle >> Testing and Inspection >> Symptom Related Diagnostic Procedures >> Harsh Shifts

Harsh Shifts

1. Line pressure to high or low.

2. Force motor malfunctioning.

3. Loose PCM connector.

4. Accumulator piston or spring incorrect or missing.

5. PROM calibration incorrect.

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