A cold air intake system can be a massive improvement over whatever intake system your truck came with. If you’re going through the process of adding it in, you’ll also want to make sure you’re taking the time to clean it properly. Here, we’ll give you a few tips for cleaning your truck’s cold air intake system in the best and most efficient way possible.
It’s understandable to want to get your maintenance done quickly, but rushing the process might give you a less-than-perfect result. Air intake cleaners, whether they’re a spray or aerosol, need time to sit on your filter for long enough to loosen the buildup. The degreasing agents inside need time to sink in and get the job done, so don’t be too hasty with rinsing it off.
Your filter isn’t the only thing that will need a thorough cleaning. A useful tip for cleaning your truck’s cold air intake system as a whole is to wipe out the filter housing area and the sealing with a cloth once you take out the filter. You don’t want to put your fully cleaned filter back into place without cleaning its surroundings as well.
It isn’t always dirt and tiny particles that get stuck in your filter. Sometimes, you’ll notice larger pieces of debris stuck to the filter. Large, stuck-on pieces of debris or even dead bugs can get in the way of your cleaning agent, so make sure you take some time to brush off the bigger bits of grime and filth that you can see.
When you finish using your cleaning agent and gently rinse off the filter, don’t get ahead of yourself by moving on too soon. The next step in the process involves oiling your filter, which will be much more difficult if you try to do it when it’s still wet. If you want to be fully sure that everything is dry, leave the filter alone overnight so it can dry naturally.
Oiling your filter is a crucial step before putting it back in place. For the best results, it’s a good idea to use the same brand for your cleaner and oil. Brands will often make their cleaning agents and oils in a way that complement one another, making it your best bet for the highest performance out of your cold air intake.
Do you not have your own cold air intake yet? Norcal Diesel Performance has plenty of Duramax cold air intake systems to choose from that will take your truck’s performance to a whole new level. Make sure you check them out for your truck’s next upgrade.
A. Most cold air intake filters should be inspected during routine maintenance and cleaned approximately every 12,000 to 15,000 miles. However, trucks driven in dusty, muddy, or off-road conditions may require more frequent cleaning to maintain optimal airflow and engine performance.
A. Common signs include reduced fuel efficiency, sluggish throttle response, decreased engine performance, excessive dirt buildup on the filter, or unusual intake noises. Regular inspections can help identify when cleaning is necessary.
A. It is best to use a cleaner specifically designed for your type of air filter. Many manufacturers recommend using their matching cleaning and re-oiling kits because the products are formulated to work together and help preserve the filter's effectiveness.
A. While your truck may still operate with a dirty filter, restricted airflow can reduce engine performance, hurt fuel economy, and potentially allow contaminants to affect engine components over time. Cleaning the filter regularly helps keep your intake system performing efficiently.
A. No. Only reusable oiled filters require re-oiling after they have been cleaned and dried. Dry filters should not be oiled unless specifically instructed by the manufacturer. Always follow the maintenance guidelines for your particular intake system to avoid damaging the filter or restricting airflow.
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