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PowerValve - 1994-2002 PowerStroke & 1999-2003 F150/Lightning
Transmission Accumulator Valve for
1994-2002 Powerstroke and 1999-2003 F150/Lightning
Custom designed for the Ford E4OD and 4R100 transmission, the PowerValve is a replacement transmission accumulator valve created to eliminate the common erratic shift problem of the E4OD and 4R100 transmission. A problem which is caused by a lack of pressure in the transmission valve body due to the soft shift settings from the factory. It is more prevalent in high output applications. The PowerValve has been specifically designed to increase the valve body pressure for a quicker and more precise shift action without compromising drivability and reliability.
What does it do?
The Power valve works to eliminate the common erratic shift problem of the E4OD and 4R100 transmission by increasing the valve body pressure. This problem is even more prevalent in high output engines and causes a decrease in transmission shift accuracy and speed. The PowerValve's piston diameter is increased from .375" (factory) to .427 of an inch. By installing the PowerValve, the increase in piston diameter will raise the line pressure which in turn will allow the clutch pack to apply faster thus creating a more positive shift.
The PowerValve by not only greatly improves the shift action of the transmission it also reduces the transmissions temperature. Since the positive shift action makes the transmission shift gears quicker, there will be less labor between gear selections thus keeping the transmission oil temperature low. Lower temperatures will increase the durability of the transmission especially in heavy towing and high output applications. Weather driving around in the city, or towing a trailer down the interstate, the PowerValve will benefit every driving condition.
The PowerValve installs in 1-2 hours depending on skill level. The PowerValve installation requires some mechanical experience and involves removing the transmission pan and accumulator valve body. Aside from a torque wrench, no other special tools are required for installation.
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