![]() ![]() ![]() ![]() As a rule, it is caused by improper dilution of a coolant concentrate with water. Typically, it is caused by mixing of incompatible products. In some cases, when looking inside the expansion tank, you can notice that the fluid became very dense or gel-like. The defect is indicated by coolant turbidity and changing of its colour to brownish. In particular, oxidation processes are accelerated by the use of incompatible elements in the system: for example, those made of copper and aluminium. Wear products of the water pump, particles of destructed sealing elements and rust heavily contaminate the coolant. Problems with antifreeze, their causes and symptoms But too frequent use of it leads to contamination of the coolant and clogging of the system. For instance, a stop leak additive for the radiator will do as a temporary measure, when you are in urgent need to stop a leak. When replacing the fluid, it is advisable to flush the cooling system, otherwise, the settled dirt will remain inside.They have different contents and may contain incompatible components, which leads to change of operating properties of the product and destruction of seals. Never mix fluids of different colours.For many modern models it is prescribed to replace the coolant every 5 years or 250,000 kilometres. The working lifespan of antifreeze is determined by the vehicle manufacturer and stated in its technical specification.Otherwise, due to improper sealing of the joint between the engine block and cylinder head, gases can get into the cooling system, where they can destruct its elements and impair the properties of the service fluid. Also be sure to replace the cylinder head gasket at the first symptoms of damage or after every repair that involved removing the cylinder head. Tighten the cylinder head bolts from time to time, about every 4,000–5,000 kilometres.Insufficient amount of the fluid risks its boiling and engine overheating. ![]() You need to regularly check whether the expansion tank is filled correctly and top it up as necessary.The water pump is responsible for fluid circulation, the radiator and fan – for cooling it. It doesn’t freeze at low ambient temperatures. It is used for removing heat from engine parts. #RADIATOR FLUID FREE#
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