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Sonnax Line Pressure Booster

Sale Price: $87.00
Item Number: SON-44957-LB1
Manufacturer: Sonnax
Manufacturer Part No: 44957-LB1
Availability: In Stock
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Sonnax line pressure booster for Chrysler 68RFE transmission. (diesel)

This family of transmissions uses a full range line pressure sensor mounted on the

outside of the transmission for "closed loop" line pressure control. Due to this

system, traditional methods of raising line pressure by changing the PR spring or

valves have no effect. The Sonnax Line Pressure Booster alters the pressure signal

sent to the computer causing the computer to raise line pressure. Part number

44957-LB1 (68RFE) has 10-15 psi increase. Higher line pressure increases clutch holding power and
torque capacity but with these transmissions, the increase has a limited effect on shift
feel. Changes in shift feel will be noticed mostly under aggressive driving or
loaded conditions. This part is ideal for heavy duty and modified vehicles and
even stock transmissions when a little extra pressure is desired. No other
modifications are required. The Line Pressure Booster installs between the
pressure sensor and vehicle harness using OEM style sealed connectors. Simply
unplug the vehicle harness and reconnect with one of these parts.