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Old 07-15-2021, 03:59 PM   #9
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Join Date: May 2016
Location: Willow, Alaska
Posts: 744
Re: need some help 4l80e experts

It sounds like you either have a bad pressure switch manifold or incorrect wiring (or possibly tune) for the transmission, as when you are engaging Reverse and Drive, you are likely engaging more than one gear, which is why the transmission feels like it’s binding or won’t move.
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