2012 Sorento's Transmission Need to be Taken Out for a Fluid Change!?

The transmission does not need to be taken out.. Absurd. Just drain and refill. I buy the Valvoline ATF fluid from Walmart for 17 bucks.. I did a drain and refill twice. There is a drain plug on bottom, refill plug on top and a level plug in the middle.. Refill until it slowly runs from the middle plug. Very easy. Transmission runs smooth. Don't let them BS you. They are there to make money..

I believe the dismantle is to change the filter which is highly recommended with a fluid change. Look at your owners manual about how often to change the fluid and how often to change the filter. If this is an automatic transmission I recommend an inline fluid flush to also drain and flush the radiator cooler or external cooler if there is one plus you are flushing with the torque convertor running (with engine running) and pumping more of the dirty fluid out, use a full case as part of the flush in my opinion.