December 09, 2013
In Toyota/Lexus U660E and U660F units, the steel OE solenoid modulator valve is prone to side-loading in the bore. This side-loading action, combined with repeated oscillation of the valve, prematurely wears the cast aluminum bore. The result is line pressure leakage and excess SL, SLT, and SLU solenoid pressure which floods the solenoids and creates shift quality concerns, solenoid codes and deviation of proper control pressures available to various valves. Sonnax oversized solenoid modulator valve kit 47740-24K allows you to recondition the bore and install improved components to restore normal solenoid supply pressures.
Tool kit F-47740-TL24 can also be used to install oversized solenoid modulator valve kit 47740-25K.
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 testing at the port(s) indicated fails to hold the recommended minimum in-Hg, or if wear is visually detected.