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Newcomers to the world of commercial trucking are often surprised to learn about the many differences between gas and diesel. Diesel trucks not only require a different fuel type, they also have some unique components not found on gas vehicles. That’s why operating and maintaining a diesel truck requires specialized knowledge.
Fuel filters provide a perfect example of the subtle distinctions between diesel and gas engines. Diesel filters are different from gasoline filters in a number of ways. The following guide from West Michigan International covers everything truck operators need to know about diesel filters.
Are you doing some research before purchasing your first diesel truck? Learning about engine maintenance is a great place to start. When you’re ready to shop, head to your nearest West Michigan International location. Our qualified staff can help you find a vehicle that meets your needs. We have multiple dealerships near Grand Rapids and Holland, MI.
What Are the Components of Diesel Filters, and What Do They Do?
The filtration system in your diesel engine has two components: a Diesel Particulate Filter (DPF) and a Diesel Oxidation Catalyst (DOC). The DOC serves to protect the DPF from vapor that could interfere with the filter’s ability to trap and remove particulate matter. It does this by forcing the exhaust over a ceramic structure coated with a chemical that converts carbon monoxide into carbon dioxide and hydrocarbons into water. The exhaust then flows into the DPF, where it is forced through porous channel walls that trap and hold the remaining ash and soot.
How Are Diesel Filters Maintained?
When your engine is running at high capacity, the soot and ash that collect inside your diesel filter will burn off quickly. But when your vehicle is idling or inching along in heavy traffic, these materials will sit around and accumulate. That built-up residue can seriously damage and even destroy your filter. Just like any filtration system, the components of your diesel filter need to be cleaned regularly in order to stay in good working condition.
Routine professional cleanings of your DPF and DOC will increase the lifespan of your filtration system, improve fuel efficiency, and protect your bottom line. Replacing these components can cost upwards of $3000, not to mention the cost of downtime. Investing in some preventive maintenance can save you a lot of money and hassle in the long run.
How Often Should I Have My Diesel Filter Cleaned?
The general rule of thumb is to have your DPF and DOC cleaned at least once every 200,000 miles. If your engine spends a lot of time running at high capacity, you may find that your filter traps very little excess ash and soot. Passive generation uses normal exhaust temperatures to oxidize the build-up, whereas active regeneration requires higher temperatures. Either way, your DPF and DOC will need regular attention.
If you have any more questions about diesel filters, feel free to ask the experts at West Michigan International. When your filter is due for a cleaning, book an appointment at one of our service centers. We have more than 60 service bays in the West Michigan area, each staffed by factory trained and certified master technicians. We proudly serve Grand Rapids, Lansing, and Holland, MI.
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