Only runs hot when driving and the shifting changes it wants to not shift in the overdrive is it like it stays in the

Hello, verify proper air flow and no debris through the radiator. Check engine thermostat operation to ensure it opens when needed. Verify coolant is flowing through the cooling system as pumped by the water pump. Ensure no air pockets are present in the cooling system. Seek local hands on guidance near you: www.repairpal.com/repair-shops