September 30, 2005
Anatomy of a Transmission: Oil Flow in the Pump-PR-Converter-Cooler Lube Circuits
Gregg Nader
Bore wear at the TCC control valve and/or sleeve in listed units results in loss of torque converter clutch control. The TCC can remain applied, transferring shift shock, or can result in RPM fluctuations. Reconditioning the bore and installing Sonnax lockup clutch control valve kit 15741-29K eliminates bore wear for renewed TCC and drivability performance.
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.
September 30, 2005
Gregg Nader
January 31, 2010
Tory Royce
October 16, 2014
Vacuum testing at the port(s) indicated fails to hold the recommended minimum in-Hg, or if wear is visually detected.