Erratic Shifting of the Automatic Transmission on Oldsmobile Regency

The transmission pressure control solenoid may fail causing erratic shifting. Our technicians tell us that partial dis-assembly of the transmission is necessary to replace a failed pressure control solenoid.

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Average mileage: 131,750 (86,000–201,000)
2 model years affected: 1997, 1998
6 people reported this problem
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problem details
1997 Oldsmobile Regency 201,000 mi,
will pop out of drive and any stop
1998 Oldsmobile Regency 140,000 mi,
Transmission shift really hard after 200 degrees. Not fixed