![]() ![]() The causes of rear planetary failure could be lubrication related. ![]() 7,608,010 also relates to the improved performance of the rear planetary gear but the invention relates to a new and improved thrust bearing assembly which addresses to solving a different cause of rear planetary failure. The lube supply circuit feeding the rear planetary starts to fail at 60,000 miles. The rear planetary gear assembly is comprised of a sun gear in the center, a ring gear, and a plurality of planet gears supported by a plurality of gear pins connected to the planetary carrier. One of a few remaining problems is the rear planetary gears failure. It is understood that any reference hereinafter to the 4L60E or 700R4 transmissions includes the 700R4/4L60E family. The factory made improvements every year along with the aftermarket transmission improvement industry as disclosed in U.S. Since GM first introduced the four speed automatic overdrive in the Corvette in 1982, the 700R4/4L60E family had many failures. The present invention relates generally to automatic transmissions, and more specifically to auxiliary rear planetary lubrication improvement for 700r4/4l60e. ![]() 22, 2010, the disclosure of which is incorporated herein by reference in its entirety. This patent application claims the benefit of U.S. ![]()
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