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[汽车修理知识]Cars are prone to “heart disease” in summer

Blog 3年前 (2021-09-25) 183 Views

The weather is getting hotter and hotter, car owners should pay attention to the'physical' condition of their car while paying attention to their own heatstroke prevention. Zhang Song, a professor at Wuhan University of Technology, reminded: The following problems are prone to occur in vehicle engines in summer, and owners need to take care of them.
1. In summer, the engine inflation coefficient will decrease and the power will decrease, causing the vehicle to drive weakly.
2. The high atmospheric temperature in summer causes the temperature of the mixed gas entering the cylinder and the temperature of the engine cycle to be high.also becauseheat sinkThe heat dissipation efficiency is low, so it is easy to produce explosion in the cylinder, causing the engine to tremble.
3. Engine oil will deteriorate under high temperature, and its anti-oxidation and stability will deteriorate, which will make the lubricating performance of the engine oil worse, which will make it difficult to form a lubricating oil film on the surface of the engine, which will accelerate the metal abrasion on the surface of the machine and affect the life of the engine.
4. Due to the high temperature of the engine hood, it is easy to cause air lock in the fuel supply system. Wuhan is particularly noticeable.
5. In addition to engine failure, summerIgnition coilsOverheating, easy to causeHigh-voltage lineThe weakening of high-voltage sparks causes high-speed misfire and even burns out the ignition coil.

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