Chevy 4L80E 4L85E Transgo Transmission Actuator Valves Refills 48-ACT-VL6

Brand: TransGoInterchange Part Number: T34741FKManufacturer Part Number: 48-ACT-VL6Material: SteelCountry/Region of Manufacture: United StatesUniversal Fitment: YesVintage Part: NoPerformance Part: NoActuator Feed Limit Valve Refill Kit No Tools Fits all 4L80E, 4L85E 1991-on This is a refill kit that includes valves and springs. Installation requires a reamer and guide. If you need the tools, order #48-ACT-TL. 1991 to 2013 General Motors vehicles equipped with 4L80E and 4L85E automatic transmissions often wear out the actuator feed limit (AFL) valve bore. As a result, inadequate pressure rise and shift solenoid feed oil loss can occur. This can cause trouble codes, wrong gear starts, falls out of gear and clutch plate burn-up. The purpose of the actuator feed limit valve is to limit the pressure going to the actuators (aka solenoids). The AFL valve spring is calibrated to prevent the pressure from ever exceeding a predetermined pressure, no matter what the main line pressure