TJ Fest 2021 Hats
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  1. Andrew Mac

    Can the 42RLE transmission over pressurize and cause excessive pressure on crankshaft?

    Aloha, While replacing the rear main seal on the 4.0L I discovered galling on the Main Bearings. As well as evidence of wear on the thrust bearing and crank face at the Thrust Bearing mating surface. Its clear the crank has had excessive forward pressure applied to it during some period of...