Attention: Do not allow antifreeze to come into contact with exposed areas of the body and painted surfaces of the car. Wash off accidental splashes with plenty of water without delay. Remember that antifreeze is a highly toxic liquid and getting it into the body, even in small quantities, is fraught with the most serious consequences, even death. Never leave antifreeze stored in a loosely closed container, immediately collect spilled coolant on the floor. Remember that the sweet smell of antifreeze can attract the attention of children and animals. Never drain old coolant down the drain and onto the ground!
15. All models of cars described in this Manual are equipped with an overpressure compensation type cooling system. The expansion tank of the cooling system, made of translucent plastic, is located on the left (in the direction of travel) rear of the engine compartment and is connected by an overflow hose to the radiator of the cooling system. As the engine warms up during operation, excess expanding coolant is forced into the reservoir. When cooling, the coolant automatically flows back into the cooling system, which ensures that its level is maintained at a constant value. The valve built into the cap of the expansion tank protects the system from excessive pressure build-up.
16. The coolant level in the expansion tank should be checked regularly and when the engine is cold (approx. +20°С). It must not fall below the KALT/COLD mark on the tank wall (see resist. illustration). If necessary, make the appropriate adjustment by adding the required amount of fresh mix to the reservoir. Note: When adding a significant amount of coolant, this operation must be carried out after the engine has cooled down.
4.16. The coolant level is checked visually through the translucent walls of the expansion tank and should not fall below the KALT / COLD mark
Attention: To adjust the level, use liquids only of the required composition - carefully study the Specifications for this Chapter! Please note the color of the liquid should be light orange (with prolonged use, it may change slightly and become yellow). The use of antifreezes of various brands as a coolant (the liquid has a characteristic blue-green color - «sea wave») unacceptable! Remember that frequent topping up of drinking / distilled water in the cooling system leads to a gradual dilution of antifreeze and the loss of frost resistance and anti-corrosion properties of the mixture.
17. With a closed cooling system, there is practically no liquid loss. A constant drop in the coolant level usually indicates the development of leaks in the system. Check the radiator, connecting hoses, drain plugs and water pump housing for evidence of leaks. A low coolant level may be due to improper installation of the expansion tank cap. A significant loss of coolant and/or the presence of oil in it, as well as white smoke in the exhaust gases on a warm engine, indicate damage to the cylinder head seal. If leaks cannot be detected visually, it is recommended to check with special equipment in a service station.
18. If it is necessary to remove the cover of the expansion tank, wait for the engine to cool completely, then wrap the neck with a thick layer of rags and slowly unscrew the cover to the first stop. If this produces steam, let the engine cool down a little more, only then remove the cover completely. Attention: Never remove the cap from the expansion tank when the engine is hot!
19. In addition to the level regularly, in accordance with the maintenance schedule (see section 1), check also the condition of the coolant and its concentration (see Specifications for this Chapter). Even if the liquid does not externally undergo any changes, the corrosion inhibitors included in its composition are subject to development over time. The concentration of the liquid is checked using a hydrometer with a special scale (see resist. illustration) - it can be purchased in free sale or checked at the service station. Warm up the engine on a short drive to the thermostat opening temperature before checking the density (see chapter 3), - the upper radiator hose of the engine cooling system should be hot. Compare measurements with data Specifications, make appropriate adjustments if necessary.
4.19. Checking the density of the coolant with a hydrometer
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