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Re: 4L60 No 3rd Gear
Posted to Transmission Forum on 1/18/2019

I don't think it could be the input sprag as that would only give forward movement in D3 range nothing in D4. If you did get it going fast enough to call for 4th you would likely stall the engine or worse. Are you sure of what gears you were getting and in whi... Login to read more.