Regularly changing engine oil is a basic maintenance procedure for any car that even a beginner knows about. But few people think that lubricant It depends not only on the quality of the product itself, but also on the condition of the filter elements. If you change the oil, but ignore the accompanying details, the resource of the new lubricant can be reduced by many times.
In this article, we will discuss in detail which Filters are subject to mandatory replacement with the oil, and which can be checked or left. You will learn about the nuances of service internal combustion enginesAutomatic and mechanical transmissions, and you will understand why savings on consumables often lead to expensive repairs.
Many car owners mistakenly believe that it is enough to replace only the oil filter of the engine. This misconception can cost you a whole knot. Let’s understand what filtering elements are hidden from the eye and require your attention with each planned maintenance.
Oil filter engine: the basis of cleanliness of the system
The main element that changes with each oil change is oil-filter. Its task is to delay solid particles, engine wear products and soot, preventing their circulation through the lubrication system. If you ignore its replacement, the old oil from the cartridge will mix with the new, instantly reducing its resource.
Modern filters are of two types: full-flow and centrifugal. In most passenger cars, it is used full-flowwhere the entire volume of oil passes through the filter element. It is important to select an element with the correct pass valve so that when starting cold or clogging, the oil still flows to the rubbing pairs.
⚠️ Never use oil filters from dubious manufacturers. Cheap cardboard can get wet and burst, running dirt straight into the engine.
When choosing a new element, pay attention to the build quality and availability drain-valve. It prevents oil from draining into the crankcase after the motor stops, ensuring rapid pressure creation at the next start.
When buying an oil filter, always check its article with the catalogues of the manufacturer of your car, as the threads and dimensions may differ even in similar engine models.
Carpet Gas Ventilation Filter (PCV): The Hidden Enemy of Cleanliness
Few people know that when replacing oil, you need to pay attention to the ventilation system of crankcase gases. In modern engines, especially with turbochargedThis system plays a critical role. The PCV valve and oil separator trap the oil mist, returning it to the system, and the gases are sent to the fire.
Over time, the filter separator or valve is clogged with resinous deposits. This leads to an increase in pressure in the crankcase, extrusion of the glands and increased oil consumption. Often this element changes with the oil if the engine design allows it to be done quickly.
System status check crankcase It should be held regularly. If you notice an oily coating on a throttle or candles, it is possible that the PCV filter needs to be replaced.
What happens if you ignore the PCV valve?
With severe contamination of the valve, the pressure in the crankcase can squeeze out the crankshaft odule, which will lead to oil leakage and the need for complex repairs with engine disassembly.
The filter automatic transmission: change or not to change when updating the fluid?
The question of filter replacement gearbox (ACP) when updating the fluid causes the most controversy. Unlike the engine, where replacement is mandatory, the automatic transmission approach depends on the design. There are two main types: removable filter cups and built-in grids.
If you have a removable filter in your box, it will be replacement is mandatory With each complete or partial oil replacement. It delays frictional dust and wear products, which inevitably appear in the process of working the hydraulic transformer.
In the case of embedded grids (often called “eternal”), the situation is different. Manufacturers can claim to serve the entire life of the box. However, practice shows that when running over 100,000 km, their throughput decreases, which leads to overheating and kicks when switching.
| Type of automatic transmission filter | Replacement frequency | Availability | Consequences of neglect |
|---|---|---|---|
| Removable (paper/feather) | Every 60,000 km. | Tall. | Pressure drop, friction wear |
| Built-in grid (metal) | 100,000+ km (as of today) | Low (requires parsing) | Oil starvation, overheating |
| Magnets (in the pallet) | With every oil change | Tall. | Circulation of metal chips |
Fuel filter: relationship with the quality of the mixture
Although the fuel filter is not changed strictly "together" with the oil on the timer, the intervals of their maintenance often overlap. Contaminated. fuel-filter leads to impoverishment of the mixture, power drop and unstable operation of the engine, which indirectly affects the rate of oil pollution.
In diesel engines, the fine cleaning filter also performs a function. water-separator. If you miss the replacement date, water can get into the Common Rail system, causing corrosion and jamming of expensive nozzles.
Symptoms of a clogged filter can be difficult to start, jerks during acceleration or floating turns at idle. Ignoring these signs leads to an increased load on the high-pressure fuel pump.
Air filter: protection against abrasive
What does air have to do with oil? Straight. Air filter It traps dust and sand. If it is clogged or damaged, the abrasive particles enter the cylinders, mix with the oil and work like sandpaper, accelerating the wear of the piston group.
It is recommended to check the condition of the air filter at each oil change. In dusty operating conditions, its resource can be reduced by half. Clean air is the key to clean oil and a long engine life.
Modern. zero-resistance filter (zero) require special care: they must be washed and impregnated with a special composition, unlike disposable paper counterparts.
Replacing an air filter is the cheapest way to extend the life of an engine, but it is often ignored before traction problems arise.
Checklist: What to prepare before the TO
Before you go to the service or garage, you need to prepare all the supplies. This will help to avoid situations where the old oil is already drained and the new filter is not available. Proper training saves time and nerves.
Make a list of the necessary details based on the VIN code of your car. Don’t rely on the memory or words of your acquaintances, as the configurations may differ.
☑️ Shopping list for oil change
Do not forget to check the condition of the sealing rings and gaskets. Often, when replacing the automatic transmission filter, a new pallet pad is required, which is better to buy in advance.
Frequent errors in filter replacement
Even experienced craftsmen sometimes make mistakes that negate the benefits of oil replacement. One of the most common is lapse Or, conversely, a filter pull. This can lead to leaks or a break in the thread.
Another mistake is the dry installation of the filter. Before screwing in a new oil filter, it is recommended to lubricate the rubber seal with oil. This will ensure tightness and will make it easy to remove next time.
⚠️ Note: Do not fill the oil filter with oil before installing it manually! In modern engines, this can lead to oil shock and damage to the hydraulics on the first start.
It is also important to remember to clean the landfill surface on the engine from dirt before installing a new element. Even a grain of sand under the rubber band can cause leakage.
Do I need to flush the engine every time I change the filter?
Engine washing is necessary only when switching to another type of oil, in the presence of a large amount of sludge or after buying a used car. With regular maintenance with high-quality oil and timely replacement of filters, washing is not required and can even harm.
Can I use a filter from another car?
Use a filter from another model can only be if their technical characteristics (throughput, valve response pressure, thread) are completely identical. Visual similarity does not guarantee compatibility.
How often should I change the CVT filter?
In variators, the filter is usually changed along with the oil, that is, every 40-60 thousand kilometers. Ignoring filter replacement in the CVT results in a very rapid failure of the unit due to sensitivity to oil purity.