The valve body is considered the nervous system of the transmission, it is responsible for converting the electrical signals from the TCM into hydraulic actions. The 42RLE uses a non-synchronous, clutch-to-clutch design. This means that the shifts from gear to gear must be timed perfectly thereby releasing and applying a friction clutch to achieve a flawless shift.
Because of the sensitivity of the hydraulic circuits, we heavily modify many areas of the valve body. Hydraulic oil flow is ported to certain clutch packs where additional pressure is needed. The accumulator piston seals have been redesigned to ensure hydraulic pressure integrity. We increase converter charge pressure and volume to reduce the trans and converter temperature.
The ATS 42RLE valve body can be purchased separately and installed in a stock transmission or any aftermarket transmission for increased transmission performance and reliability. On all 2007 to 2011 42-RLE transmissions you should also install the Co-Pilot to fully control and increase line pressure in the transmission.
Together the ATS Co-Pilot and Valve body work together to provide the ultimate on performance, drive-ability and reliability. The valve body by itself addresses all of the issues except it requires the external electronic control of the Co-Pilot to provide the increased line pressure necessary to increase clutch pack torque capacity.
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