How To Clean Diesel Air Filter

Diesel air filters are an important part of the engine system and need to be regularly cleaned to ensure proper engine function. The filter removes contaminants from the air before it enters the engine. The process of cleaning the diesel air filter is not difficult, but does require some knowledge and preparation.

How To Clean Diesel Air Filter

The air filter on a diesel engine is responsible for trapping soot and other contaminants from the air before it enters the engine. Over time, this filter can become clogged with soot and other debris, which can reduce the performance of the engine and even cause damage. The best way to clean a diesel air filter is to remove it from the vehicle and clean it using a commercial filter cleaner or some other type of solvent.

-Diesel air filter -Shop vacuum -Hose -Cleaner spray -Paper towels

  • Remove air filter cover
  • Clean air filter using diesel fuel and compressed air replace air filter replace air filter cover
  • Remove air filter
  • Locate air filter

-Change the air filter every 12,000 to 15,000 miles, or as specified in your car’s owner’s manual. -If your car has a particulate filter, you should also clean it every 12,000 to 15,000 miles. -To clean the air filter, remove it from the car and soak it in a solvent such as kerosene or diesel fuel. -Scrub off any dirt or grime with a

Frequently Asked Questions

What Does A Dirty Air Filter Do To A Diesel Engine?

A dirty air filter will clog and restrict the airflow into the engine. This will cause the engine to run inefficiently and produce more emissions.

What Are The Signs Of A Dirty Air Filter?

The signs of a dirty air filter are: decreased airflow, increased energy usage, increased noise, and increased emissions.

Can I Clean My Air Filter Myself?

Yes, you can clean your air filter yourself. Be sure to consult your air filter’s owner’s manual for the correct cleaning procedures.


Diesel engines have an air filter to clean the air going into the engine. Air filters need to be cleaned or replaced on a regular basis.

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