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1991 Chevrolet Beretta Repair Question


Topics covered: Transmission, Engine, Torque.
Mileage: 150,000 miles.

Asked on March 14, 2011

Transmission lock up

91 chevy beretta w/automatic--works ok for approx 30 mins then it locks up to the engine. locks up in high gear and will not down shift.

Answer

Replied on March 15, 2011

Not sure if you will get any codes in these transmissions, but a scan will be a good place to start, also a line pressure test will also give a tech a good indication of any internal problem, start here.

Tiny Answered by mhpautos (expert)
26,915 answers provided
Replied on March 15, 2011

This car has a 125 transmission and what happens is the torque converter clutch solenoid sticks causing the torque converter not to disengage from engine. If you look down on top of transmission you will see a white Plug with about 4 wires in it. Disconnect plug and your problem will go away. You can either leave it unplugged and lose your Tcc lock up or you can replace the solenoid.

Tiny Answered by mastertechtim
7 questions asked
Replied on March 20, 2011

best get a scan first and see what the exact code is first.

Tiny Answered by mhpautos (expert)
26,915 answers provided