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Home >> Buick >> 1993 >> Regal V6-191 3.1L >> Repair and Diagnosis >> Transmission and Drivetrain >> Automatic Transmission/Transaxle >> Testing and Inspection >> Symptom Related Diagnostic Procedures >> 4T60-E Automatic Transaxle >> Harsh 4-3 Downshift

Harsh 4-3 Downshift

1. Control valve assembly check ball No. 10 missing.

2. 3-4 accumulator seal cut or damaged.

3. 3-4 accumulator valve stuck.

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