while check valves are fairly simple in design and function, they can cause various shift issues and clutch failures when not working correctly.
Sonnax’s new direct clutch drum ad shaft kit for AODE/4R70W transmissions.
OTC announces new products for Ford, Lincoln and Mercury vehicles.
Chris Adams, Certified Transmission diagnostician, shares the story of a 6R140 and stresses the importance of control.
This new Sonnax product is made to re-establish correct clearance for converter and lube functions.