Motorhome lists 4 shades of antifreeze that indicate serious engine problems

According to experts, discoloration of antifreeze can be caused by corrosion, aging of the fluid or oil contamination.

So, colorless antifreeze indicates that the liquid has lost its properties: in fact, it is already water with dye residues. This mixture does not protect the engine from corrosion and can freeze in cold weather. Urgent replacement required.

White emulsion in the expansion tank is one of the most alarming signs. It appears when antifreeze is mixed with oil. The cause may be a damaged cylinder head gasket or a faulty automatic transmission. In both cases, immediate diagnosis is needed.

A brown tint indicates rust inside the cooling system. Corrosion destroys metal parts – most often the cylinder block or radiator is affected.

The black color of antifreeze is a sign of destruction of rubber hoses and seals. Their particles clog the system, which can lead to serious damage. In this case, it is necessary to replace all damaged elements, completely flush the system and fill with fresh fluid.

Experts emphasize that a change in the color of the coolant is a reason to immediately contact service. Ignoring these signals can lead to costly engine repairs.

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