Toyota U660E Archives - Transmission Digest
GFX announces 47-teeth differential gear for Toyota transmissions

GFX has introduced a new 47-teeth differential gear for Toyota transmissions, including the U660E. According to the company, the product is designed to replace years 2007 and on.

Toyota U660E pressure switch issues

The complaint A 2010 Toyota Venza equipped with the 3.5-liter engine and the U660E transmission has a complaint of setting trouble codes P0872 “TFP Switch C” and P0877 “TFP Switch D.” The pressure switch assembly was ordered from the dealer. As a side note, the car came from a used car dealer. The transmission appeared

Toyota/Lexus Oversized B1 Apply Control Valve Kit

Vehicles with Toyota/Lexus U660E and U660F transmissions may exhibit 2nd and 6th Gear shift complaints and burnt B1 clutches. This can be caused by wear at the valve and/or boost valve and sleeve, which leads to improper valve function. Reconditioning the bore and installing the Sonnax oversized B1 apply control valve kit 47740-57K will restore

Toyota/Lexus U660E, U660F: Critical Wear Areas and Vacuum Test Locations

OE valves are shown in a rest position and should be tested in a rest position unless otherwise indicated. Test locations are pointed to with an arrow. Springs are not shown for visual clarity. A low vacuum reading indicates wear. What should my vacuum test results be? While a properly calibrated and maintained test stand