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Old 06-30-2018, 10:15 AM   #2
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Join Date: Jun 2015
Location: NC
Posts: 707
Re: 4l80e Overdrive planetary thrust bearing failure

Are you finding rust on some of the hard parts as you disassemble this 4L80. If you are I suggest you replace all Torrington bearings in this unit. Rust is not a good thing to have in any trans. It will make a Torrington bearing come apart in a hurry. Also if you find excessive rust in this unit I would look for another core to build. Any rust found in any of the planetaries would be tossed
Away and not used if it was mine. Good luck !!!!

Last edited by YoungPup1977; 06-30-2018 at 10:23 AM.
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