Car filters are consumables that keep your vehicle running smoothly and flawlessly. There are different kinds of filters responsible for preventing various car systems from contamination.
What are the main types of filters?
These are components that are made of porous or fibrous materials. They remove various debris and contaminants such as dust, mould, bacteria, pollen. There are intake (engine) air filters and cabin filters. The first ones are responsible for cleaning the air which goes into the engine while the second one supplies pure air to the cabin eliminating not only solid particles from it but bad odours as well. Air filters are usually made of paper, foam or cotton.
These components are usually made of cellulose or
micro glass. Oil filters can be found in various car systems: they filter engine, hydraulic, transmission, lubricating and other kinds of oils. These filters are incredibly important as they ensure flawless operation of major car assemblies and components.
These ones supply pure fuel to the engine. In petrol cars, there are usually two fuel filters – for coarse and fine filtration. In diesel vehicles, these components are used to trap the water from the fuel. They have a bowl-like shape and water is accumulated at its bottom as its heavier than the fuel.
Diesel particulate filters (DPF).
Filters of this type can be found in diesel vehicles only. These components help to reduce harmful emissions discharged into the atmosphere.
There are some other types of filters can be found in vehicles depending on their model, year of production and configuration:
- positive crankcase ventilation (PCV) filters or exhaust gas recirculation (EGR) filters, for instance.
- However, one should always remember that filters are consumables and have to be replaced at set intervals.
When is it time to change your Filter
Filter change intervals vary depending on the filter type and the driving conditions. This information is specified in the manual. On average, replacement intervals are the following:
- Intake (engine) air filters – every 25 000 km;
- Cabin air filters – 15 000 – 25 000 km, in some dusty places – only
- about 6 000 – 7 000 km;
- Oil filters – every 12 months or once in 10 000 – 15 000 km. Oil filters have to be changed along with the oil replacement.
- Fuel filters – have to be replaced once in about 45 000 – 55 000 km.
The choice of filters on the market is huge. These components are manufactured by such companies as Bosch, K&N, Mann Filter, AEM Dryflow, FRAM, Purolator and many others.
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