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Buy the replacement transmission then remove the pan then control body assembly (TEHCM, valve body, IMS, speed sensors/harness). Next, remove the control body assembly from your current transmission and install it onto the replacement. Perform a fast relearn on the replacement once you have filled it up.my 2011 GMC yukon xl with the 5.3 emgine ,transmission is about to go out. and before it does i want to change it.
but i can only find a 2010 gmc yukon DENALI witch has a 6.2 engine, will that same trans fit my yukon? l