Technical fluids: inspection and replacement intervals

Cars become more sophisticated and more perfect every year. This makes it much easier to own, manage and monitor them. Gone are the "leaks" and "crooked starters", the skills of assembling and disassembling the carburetor are gradually forgotten, and no one ignites the spark plugs on an open fire. To know more, check out: oil in coolant resevoir

But there are 5 main fluids that must be monitored for the car to serve properly. Checking and replacement intervals - in our material.

We focus on manufacturers

Recall that a car needs five main fluids that require periodic replacement:

· motor oil;

· gear oil (it's also gearbox oil);

· antifreeze;

· power steering fluid;

· brake fluid.

There are also minor exceptions. So, the power steering system is gradually giving way to electric power steering, where fluid is not used. There are, however, serious off-road vehicles and special equipment, where oil is poured not only into the engine and gearbox, but also into the axles and transfer case.

And the last, but no less important liquid for a car is a windscreen wiper, popularly known as “non-freezing”. With her, perhaps the easiest way: we look at the temperature outside, select the appropriate liquid (-5 ° C, -20 °, -30 °, and so on), and fill the full tank. We replenish as needed.

To summarize the above: for each unit and unit, car manufacturers give their recommended fluid change interval. It is not always worth changing everything at once during routine maintenance: the fluid in the hydraulic booster, and the antifreeze, and the oil in the internal combustion engine. The main reference point is always the recommendations of the automaker.

However, there are times when a change in the color of a liquid or a lack of it can signal a future malfunction. The sooner you discover this, the better.

What and how to change

Most of the work you do most likely in a car service. Nevertheless, knowing what is changed and how often will help you make sure that the chosen workshop is honest. For example, if you know that your car has not yet reached the mileage at which it is worth changing the oil in the box, you can save on the imposed service. But first things first.

Engine oil

An internal combustion engine is a complex mechanism in which dozens of parts are simultaneously in motion and in direct contact. Of course, it needs oil to operate smoothly and needs to be changed regularly.

Most cars have a special dipstick with which you can check the oil level and its condition. Check the oil a few minutes after turning off the engine when the machine is fully warmed up. The machine must be on level ground. In order for the measurement to be as correct as possible, the dipstick must be removed and wiped with a rag. After that, it should be installed back and wait a little until the oil leaves a trace on it. Only after all these manipulations can you pull out the dipstick again and correctly assess the oil level.


Antifreeze protects the car engine from overheating. If the coolant level falls below normal, the machine will inevitably overheat.

Checking the level of antifreeze is easy: on most cars, the MIN and MAX risks can be seen on the expansion tank housing. Remember that the antifreeze check should only be done on a cold engine .

If the fluid level is low, add antifreeze or distilled / deionized water to the MAX level (but not higher!). In hot weather, some water may evaporate from the antifreeze - this is normal. If you find a leak, contact the service as soon as possible: engine overheating can turn into major problems, up to completely fatal ones - engine jamming. And jamming is, alas, only an expensive replacement of the engine block.

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