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Car maintenance general knowledge, this 10 most easily ignored! (7)

Bolts are too tight -- permanent deformationThe tightness of the belt can improve the cooling effect of the engine. Therefore, the tightness of the fan belt is constantly increased, resulting in the over-tightness of the fan belt.Fan belts should be kept tight, as over-tightening will lead to excessive bearing load, increased wear and power consumption, as well as bending the pump shaft, elongating the belt and shortening its life.