cadillac Workshop Repair Guides

Cadillac Workshop Manuals

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Torque Converter Clutch Solenoid: Description and Operation

Solenoid--mounted in the automatic transmission--locks-up the torque converter when activated by the ECM. 
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When the vehicle reaches a specified speed the ECM energizes the solenoid---causing the torque converter to mechanically couple the engine
to the transmission. 

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When the brake is applied, or other conditions indicate that the transmission should operate as a normal--fluid coupled--transmission the ECM
de-energizes the solenoid.

Transmission and Drivetrain > Actuators and Solenoids - Transmission and Drivetrain > Actuators and Solenoids - A/T > Torque Converter Clutch Solenoid, A/T > Component Information > Description and Operation

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