How to Properly Maintain a Diesel Truck

Diesel engines are often used in large trucks who need to haul and pull heavy loads. Whether working on the farm or traveling long distances in a big rig, your diesel engine operates a little differently than a standard gasoline engine. Proper maintenance can keep that engine running for years to come.

Fuel System

The fuel system needs regular maintenance to keep the fuel properly moving through the system and avoiding air or other issues in the lines. Every 10,000 to 15,000 miles, it is a good idea to change that fuel filter. Depending on the engine, you may have more than one filter. Replace both at the same time for best results. Check the diesel fuel heater to keep the water out of your fuel and away from your engine.

Coolant Levels

The radiator needs the proper levels of coolant to keep the engine cool. As time passes, the coolant becomes acidic causing issues like rot in other parts. Checking the acidity levels of the coolant on a regular basis can let you know when to replace the coolant to preserve the radiator. Acidic coolant can cause problems for the hoses, gaskets and radiator necessary for keeping the engine from overheating.

Engine Protection

Air filters keep out unwanted dirt, pollen and pollution from clogging up the intake and engine. Certain times of year may call for more inspections than other times such as high pollen in the spring. Regular oil changes about every 5,000 miles keeps the engine lubricated without gumming up. Hard drivers may need additional oil changes in the year to keep their engine maintained.

Clean System

Keep out unwanted dirt and grime by regularly cleaning the engine. By maintaining the fuel and air filters, keeping quality fuel in the tank and regular oil changes, you can keep the system clean of grime and dirt that build up and cause problems for the engine. These maintenance tips can help you get many more miles out of your truck.


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