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Buick
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1989
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Regal V6-191 3.1L
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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 or Soft 2-3 Shift
Harsh or Soft 2-3 Shift
1. Incorrect oil pressure.
2. Leaking 1-2 servo check ball and capsule assembly.
3. Leaking 1-2 servo release oil pipe or pipe seals.
4. Mislocated 1-2 servo feed passage check ball.