Transmission solenoid

A transmission solenoid or cylinoid is an electro-hydraulic valve that controls fluid flow into and throughout an automatic transmission. Solenoids can be normally open or normally closed. They operate via a voltage or current supplied by the transmission computer or controller. Transmission solenoids are usually installed in a transmission valve body, transmission control unit, or transmission control module.^{[clarification needed]}

Types

Variable force solenoid
On-off solenoid
Pulse-width modulated solenoid
Low leak variable bleed solenoid

Manufacturers

References

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