Aisin AW 55-50SN and 55-51SN linear solenoids are used to control line rise (SLT), the converter clutch (SLU) and the oil flow rate and accumulation for the clutch circuits (SLS). The flow-to and function of these solenoids overlap, making diagnosis difficult. The solenoids are prone to sticking of the internal pintle, creating inconsistent movement of the solenoid valves. Shift complaints and pressure/flow related issues result.
Remanufactured linear solenoid kit 59947-70K was developed with an exclusive Sonnax process that eliminates sticking solenoid problems. These solenoids are 100% leak tested and calibrated to OE specifications. Readjustment should not be required if the valve body leakage has been addressed and a relearn process completed.

Eliminates pintle sticking problem for proper solenoid valve action
100% tested and calibrated

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