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Amanda 11/17/2016

1998 Oldsmobile Regency Base 6 Cyl 3.80L

Transmissions & Drivetrains

98 oldsmobile regency wont switch gears

Under 90000 and my car wont switch into 3rd or 4th gear most of the time...it sometimes will though

1 Answer


Jimm 11/19/2016

The transmission (4T60E model) is a 4 speed automatic that is computer controlled. The most common problems are: Your check engine light comes on. The transmission starts shifting erratically or not at all.

First step is to check the transmission fluid level, and refill as necessary.

Make sure you or a shop runs a scanner on the vehicle. You want to see if a sensor has gone bad causing your problem. Always check your modulator line on the 4T60E transmission to see if there is fluid inside. If fluid is inside the line, then the modulator is no good.


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