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Home >> Buick >> 1989 >> Regal V6-191 3.1L >> Repair and Diagnosis >> Transmission and Drivetrain >> Automatic Transmission/Transaxle >> Testing and Inspection >> Symptom Related Diagnostic Procedures >> Harsh 4-3 Downshift

Harsh 4-3 Downshift

1. No. 1 check ball missing from control valve assembly.

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