A worn secondary pressure regulator valve in vehicles with listed Aisin AW, VW/Audi, and Mini transmissions can cause several problems. Overheating the fluid, bushings, and torque converter can all be caused by a worn secondary pressure regulator valve. Drivability issues include harsh Reverse, TCC slip, and poor shift quality. Sonnax secondary pressure regulator valve kit 15741-11K is designed to correct the pressure outputs from the secondary pressure regulator valve and fix these drivability issues.

Hardcoat anodized aluminum valve combats premature wear
Annular grooves have been added to the valve for better centering in the bore
The highly wear-resistant Sonnax sleeves provide over 80% more support than the OE casting
A new spring is included to allow proper calibration

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