Complete Diesel Truck Service and Test

What happens here

After installing the new fuel filter, the host starts the Cummins Diesel engine to prime the fuel system and check for leaks. He listens to the engine to ensure it's running smoothly. He expresses confidence that the truck is now good for another 4,000 miles, emphasizing that keeping fresh oil in vehicles prolongs their life. He then drives the truck out of the garage to make space for the next vehicle.

Goal: Ensure the diesel truck is fully serviced and operational.