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BDifficulty 2/5

In a liquid-cooled engine, what is the coolant’s main function?

Correct answer

To cool the vehicle's engine.

Absorb engine heat and carry it to the radiator for dissipation, helping maintain operating temperature. Protection against freezing, corrosion and overheating depends on the product, concentration and cooling-system condition: coolant does not guarantee that an engine never overheats or that any part can never freeze. Use the coolant and proportions specified by the manufacturer.

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  • To provide heating for the vehicle.

  • To cool the vehicle's engine.

  • To provide air conditioning for the vehicle.

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