Originally posted by Blownaway
It looks like you drilled 2 big holes in each top cover, is that right? Did that get the trans temp back to normal... ... I always thought people were crazy for thinking the thermostat wouldn't keep the engine temp where it needed to be without something blocking the radiator in cold weather but after owning a diesel I know why, it takes forever to warm up! I drive short trips to work and I feel bad for the truck.