Clutch material is usually something that is not as critical as hydraulic function of the transmission. In my years of rebuilding transmissions, I found that clutches rarely wear out. Usually, they burn out. That is usually the result of a hydraulic malfunction like a failed seal or a broken part.
Modern transmission building is a lot different than it was in the days of powerglide, dynaflow, hydramatic, ultramatic, and others.
These days, seal materials are more robust. Seals are bonded to the hydraulic pistons. They are more tolerant of high temperatures. Bushings that used to wear have been replaced by caged needle bearings that have a much longer service life. Thrust washers have been upgraded to torrington bearings in critical locations. Oil pressures and temperatures are better controlled by computers. These things are built to last.
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Today's Featured Article - Listening to Your Tractor - by Curtis Von Fange. Years ago there was a TV show about a talking car. Unless you are from another planet, physically or otherwise, I don’t think our internal combustion buddies will talk and tell us their problems. But, on the other hand, there is a secret language that our mechanical companions readily do speak. It is an interesting form of communication that involves all the senses of the listener. In this series we are going to investigate and learn the basic rudimentary skills of understanding this lingo.
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