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Valve Kit,Regulates Elevated Pressure,AODE,4R70W/E,4R75W/E,96-UP

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Valve Kit AODE 4R70WE 4R75WE
Valve Kit AODE 4R70WE 4R75WE76948-12K
Price: $32.18
Part Number: TAT-76948-12K-SX
Valve Kit,Regulates Elevated Pressure,AODE,4R70W/E,4R75W/E,96-UP

Low line pressure in heavy-duty applications of Ford AODE and 4R70W transmissions results in forward clutch failure due to slippage. A stronger regulator spring is required to bring the base line pressure up to 68 psi in 91-95 valve bodies with the early style pressure regulator valve. In 1996, Ford made a change to both the pressure regulator valve and valve body casting. The valve spool locations were changed slightly, and the spool diameter controlling line to converter feed was stepped. Due to these OEM changes, installation of a stronger spring without a specially modified regulator valve will result in restriction of converter charge and converter release circuits in the later valve bodies, and may cause the engine to stall or surge at an idle or create converter shudder.

Features and Benefits:

The Sonnax regulator spring 76948-06 will ensure the proper clutch engagement for 91-95 valve bodies with the early style pressure regulator valve.
Sonnax kit 76948-12K contains a properly metered pressure regulator valve and stronger spring to work on the 96 and later valve bodies.
Closely toleranced PR valve is made from high-quality aluminum and has been specially hard coated to eliminate excessive wear.
Annular grooves have been added to the valve to prevent side loading that causes wear.

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