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What maintenance is required for Diesel Engines?

Mar 28


A diesel-powered car is the best choice for many reasons.

But, even though maintenance isn't as frequent doesn't mean you shouldn't still care for the diesel engine. Diesel repairs services in Denver, Colorado will help keep your diesel vehicle or car running for longer and more efficiently. Here are some suggestions:

1. Clean your ENGINE

Diesel engines have a greater lifespan than their gas counterparts which means that they will need to be cleaned more frequently. Additionally, vehicles tend to travel over longer distances and carry out more complex tasks so dirt and dust could build up on the engine.


Dirt can wear out engine parts and lower the efficiency of your fuel. If your region experiences severe winters, you may notice a drop in fuel efficiency. This is because the engine's parts and components are more prone to wear due to salt contact, which can accelerate rust and corrosion.


Proper cleaning is a simple and important way to maintain your diesel engine. Before beginning cleaning, make sure you read the owner's manual. Most likely, however, you will need:

  • A toothbrush that can reach into all corners and recesses

  • To clean the engine bay, use a sponge that is moist

  • Use a degreaser that is specifically made to dissolve gunk.

Make sure that your engine is at a relaxed state before you begin cleaning. Don't forget gloves and goggles.


Some components of the engine might not be waterproof. Check your vehicle's manual for details. The car and driver advise plastic bags to shield water sensitive parts while cleaning.


2. CONTACT YOUR Air Filter

Make sure to check your air filter when you're under the car. Diesel vehicles also come with an air filter hidden under the hood. It is the box that is rectangular in shape near the engine compartment.


Filter problems can lead to your engine "choking," which means it requires more fuel to produce the acceleration and power you need. It is recommended that you had your filter replaced once every 12,000 miles. If you notice a decrease in acceleration, less power, or engine wear it is suggested that you check it.



Diesel engines are more hot than gasoline motors. Their radiators can be exposed to higher temperatures. Overheating could be hazardous. Overheating can cause damage to the gasket seals on the engine, and cylinders. This can lead to an engine breakdown that could be irreparable.


Regular coolant and radiator exchanges are fantastic ways to keep the engine of your diesel from becoming overheated. What should you anticipate from a radiator swap?

  • A specific cleansing fluid is used to move the cooling and radiator system.

  • Antifreeze removes impurities and rust.

  • New antifreeze technology is employed to cool the system.


Many automakers advise that radiator fluid changes be done every 40,000-60,000 miles. It's a good idea consult your manufacturer regarding the maintenance requirements of your diesel vehicle or truck. It is advisable to have your radiator and cooling system checked as soon as possible if you notice any problems.

  • Fluids seeping from the card's surface, in colors of green and orange.

  • The engine releases a maple syrup aroma.

  • Steam the underside.



Diesel engines generally come with two fuel filters, in contrast, gas vehicles only have one. The primary filter for fuel is located between the tank, the engine, and secondary fuel filters are between the injectors for fuel (and the transfer pump). Diesel fuel is more refined than gasoline and therefore, most diesel engine manufacturers employ two fuel filters.


Diesel water particles can cause engine damage.

  • A decline in horsepower could be a sign of what is to come.

  • It is possible for an engine to stall.

  • Fuel injectors can explode.


Don't wait for issues in your vehicle to develop! You can prevent them from happening by scheduling a comprehensive car inspection, along with other preventative maintenance procedures. For example, most diesel engines require fuel filters replacement every 10,000-15,000 miles. It is important to check the recommendations of your manufacturer for the model and make you own. To maximize effectiveness and durability, it is recommended to change both primary and secondary fuel filters in the same day.

For more information please visit:

Courtesy Automotive Service Center
210 S 8th St
Colorado Springs, CO 80905
(719) 632-2167

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