How to fix Overheating issues in UD Nissan Truck's Diesel NE6 Engine | Causes of Overheating | Habib mechanic A very strange thing happened to this Truck's engine that caused it to overheat. It's a Nissan UD NE6 Engine. The truck driver get his truck checked from many truck mechanics but no one was capable of solving this problem. The problem was very simple but it could only be solved from the person with great experience. Finally, the driver came to me and got satisfied with my skills and expe