October 16, 2014
K3 clutches in listed units are applied in 3rd, 5th and Reverse gears in conjunction with other clutch packs. As the K3 clutch control valve oscillates and strokes over time, bore deterioration results, which prevents proper hydraulic control of the K3 clutch pack. This can cause flares, slipping, erratic clutch apply timing, ratio codes, bind-ups, and burnt K3 clutches. Reconditioning the bore and installing Sonnax oversized K3 clutch control valve kit 15741-59K restores normal shift operation by re-establishing the hydraulic integrity of the K3 circuit.
Sonnax valve body layouts provide a detailed overview of individual units making it quick and easy to determine what’s available for the specific valve body you’re working on. See all Sonnax valve body layouts.
Vacuum test(s) at the port(s) indicated fail to hold the recommended minimum in-Hg.