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Re: 4L60E No Cooler Flow?
Posted to Transmission Forum on 11/8/2018

check the cooler line ends and the radiator. I had a 2007 GMC 2500 drive me crazy I started at the cooler by disconnecting the lines and worked my forward. my trans was also a rebuild. the lower cooler line was plugged at the tip not allowing flow. back flushe... Login to read more.