
Cleaning the oil filter is generally performed every 200 hours or so. Below are the cleaning methods for diesel engine filters: 1. Air filter: Every 50-100 hours of operation, remove dust once. Use a soft brush to remove surface dust. When cleaning the air filter, take out the filter element and brush off dust along the folds with a soft brush, then gently tap the end to remove dust. 2. Oil-bath air filter: Every 100-200 hours of operation, clean the filter element with clean diesel. 3. Oil filter: The method involves using a mixture of engine oil, kerosene, and diesel as cleaning oil for washing.

I've noticed many people are curious about how to clean diesel fuel filters, but honestly, it's simply not feasible. Modern diesel filters are typically disposable components made of paper or cellulose materials, designed to trap tiny dust particles and water in the fuel. If you forcibly rinse or clean them with solvents, you might not remove all residual contaminants and could damage the filter paper structure, causing the pores to enlarge and allowing dust to leak into the engine, leading to injector clogging or severe wear. I once experienced engine shaking and power loss after attempting to clean a filter, and the repair cost was several times higher than a new filter. The correct approach is regular replacement—recommended every 10,000 kilometers or annually. Replacement is straightforward: turn off the engine, remove the old filter, apply a bit of fresh oil to the new filter's seal, and install it tightly. Don’t forget to check for water accumulation, as it can corrode the system. Proper maintenance ensures more efficient fuel combustion, saving fuel and extending engine life.

I used to be a DIY car owner, always trying to save money by cleaning and reusing diesel filters. Once, I washed an old filter with gasoline and reinstalled it. Within a week, my car had difficulty starting and emitted black smoke. The mechanic found holes in the filter paper and debris clogging the fuel lines, costing me hundreds to fix. Experience taught me that cleaning is just asking for trouble—filter materials aren't designed to withstand cleaning, and replacing them is the only reliable option. Just buy a new filter of the matching model and install it yourself: loosen the mounting bolts, remove the old one, and install the new one, ensuring a tight seal to prevent leaks. It's inexpensive, just a few dozen bucks, and the replacement interval should follow the manual or your car's condition. A dirty filter increases fuel consumption and reduces power, so replace it early to protect the system. Forget about cleaning—it'll only cause more damage.

When I first learned to drive, I considered cleaning the diesel fuel filter to save money and hassle, but later, car-savvy people told me it couldn't be cleaned. The filter is a critical component for filtering fuel impurities, and cleaning it would compromise its effectiveness by design. If any residual dust enters the engine, damaging the fuel injectors or pistons would be disastrous. Now, I replace it every 10,000 kilometers or whenever the car feels sluggish. The process is simple: either go to a shop or buy a new filter and replace it yourself, ensuring safe operation throughout. Regularly check it during maintenance to keep the fuel system clean. Don't risk cleaning—just replace it for peace of mind and safety, after all, a reliable car means a worry-free drive.


