Continuous oscillation of the pressure regulator valve causes valve body bore wear, which results in line pressure irregularities and valve instability. Severe wear of the boost valve sleeve allows EPC and reverse oil leakage.
This oversized pressure regulator valve and boost assembly allows the valve body bore to be restored to normal operating condition.
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.
December 21, 2012
Topics: Vacuum Testing Vacuum Test Guides Transmission Toyota/Lexus U241E Transmission U240E Transmission U140F Transmission U140E TransmissionRead Now
Contact a Sonnax Parts Distributor.
Excessive leakage is found at either of the two locations shown