People there are some mistake in car use and maintenance, these false thoughts are backward in the low level of automobile manufacture, repair, testing means lack of s formed over a long period of time. These mistakenly read sometimes seems to be correct, actually otherwise, has a great deal of harm, can make the vehicle suffered, personal safety is threatened, and thus laid the greater may be the hidden danger of accident or vehicle performance, wear speed, shorten the service life, etc.

1, tear down the engine thermostat blindly

If blind demolition due to high engine temperature thermostat, cooling fluid can only to large cycle, can't adjust cooling intensity, it is difficult to guarantee the engine work under the appropriate temperature, on the contrary make engine often work in low temperature condition, cause the loss of engine power, wear and tear, fuel consumption increase. If engine thermostat failure occurs after the repair or replacement, the engine temperature is higher, other parts of the cooling system should be maintenance, can't remove the thermostat.

2, engine temperature high not low

Some people think that driving engine temperature high not low. In fact, harmful to the engine at low temperature. Should be in the normal temperature limit vehicles use specification, to ensure that the service life of engine.

3, water pump, fan belt tight as possible

Belt tight is not the better. Belt too tight will not only make it stretch or break, shorten the service life of the belt, but also because of the tension is too large, lead to the generator shaft, pump shaft bending deformation and bearing of the early damage. Looseness of the automobile engine fan belt should comply with the technical requirements, general normal belt assembly deflection for 10 to 15 mm is advisable.

4, engine idle speed

Warms up in idle speed, due to the low speed, oil pump can not be quickly into the surface of the lubrication oil pressure, oil pressure is low, all moving parts within the engine work under dry friction or half dry friction condition; By bad low temperature atomization of fuel, make the unburned fuel into the crankcase, wash away the oil film of the cylinder wall, also can accelerate wear parts. So, a few seconds after the engine, application of fast idle speed, improve engine lubrication condition.

5, using a blowtorch baking bottom oil

End of winter with blowtorch baking oil, chemical additives in the oil change, not only lost the original performance, but also can make oil cementation, oil bottom deformation, easy to cause fire. The best approach is selected according to local winter minimum temperature of oil. In the conditional place, had better vehicles parked in a garage with heat preservation facilities.

The removal of the more advanced method is ultrasonic spray QingChuFa and check division, but with most, the most simple method is QingChuFa QingChuFa physics and chemistry. The two methods can also be combined.