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4r70w transmission rebuild

1305 Views 3 Replies 2 Participants Last post by  Bill_SN95
Hey guys! Im rebuilding my 4r70w due to a burned out forward clutch. I already have all the new seals, Orings, clutchs, and steels installed. Now before i finalize this process Id like to air test each drum to check for proper engagement. From what i understand in order to air test the forward drum you need to install both forward and reverse drums onto the pump.....but i cant figure out which feed hole to hit with my air gun!!!! Can anyone help me? :confused:
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But if anyone is reading this and has some input please don't hesitate to post it would be greatly appreciated!
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