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  1. B

    6L80E

    FYI, thanks to those of you that responded. I went back in and found I had put the sprag in backwards. Transmission works great now.
  2. B

    6L80E

    UPDATE: I haven't done anything new to the transmission other than let it sit while I discussed different options, but when I went to move the pickup it drove forward 50 ft and locked up. I can back up but it will not drive forward. The only thing different is the outside temperature has cooled...
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    6L80E

    When I put the truck on jack stands and put it in gear the rear tires will turn in 1, 3, 4, 5 and 6 gears at idle but lock up in 2nd gear.
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    6L80E

    The only thing I found was in the oil pump, the plastic guide inside the oil pump had melted so the transmission was not getting the proper fluid when it warmed up. The bellhousing and the oil pump cover plate also had .005 to .006 wear on them.
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    6L80E

    The 6L80E transmission in my 2013 Silverado 1500 recently overheated and started slipping. While rebuilding the transmission I found the plastic alignment plate had melted in the oil pump. I replaced all the clutches and seals, the oil pump, bell housing and reinstalled the transmission back in...
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