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Description
IN TOTAL ABOUT COLD START
The most important complexity of winter driving is an ice, and the most important problem in operation — the cold start (CS).
Those who got the four-wheel companion on heat with arrival of a frost, perhaps, are waited by surprises. What to do? To look for a shelter for the car, and it is desirable warm. Also it is useful to know that ahead. Well, or to remember.
Concept CS (Cold Start)
Any mechanic will tell that start of the cold engine is harmful to it as it leads to the accelerated wear of the rotating and rubbing its elements. As a matter of fact, any start at a temperature is lower than the worker already it is considered cold, and even in the summer the engine needs some time to heat up. But one business heating from plus 25 to one hundred degrees, another — from minus 30! Metal huddles from cold, and the gaps which are present between engine details increase. The compression in cylinders falls. Oil becomes more dense and loses fluidity. After start the engine not at once, not instantly receives greasing — here therefore one start at subzero temperature is equated to several hundred kilometers of run, and than more cold, that wear is more. By the way, there is a probability that the engine in one fine frosty day "stukant", that is will jam because of friction on dry.
That is why engine oil and all other liquids by the car operated in the winter have to be qualitative and fresh. Oil replacement, I will remind, after winter or during it it is necessary to make replacements before the termination of an interval: consider warmings up. The best fluidity in a frost synthetics with viscosity 0W has (but such oils suit not all therefore usually recommend 5W). To avoid such horror as HZ, for an uninterrupted driving many ways of fight were invented. All tricks are directed to keeping or creating heat in the field of the engine.
Autostart — the good thing giving natural warming up of the engine and partially a transmission. However demands control: that start was not too rare and had efficiency, and the interval of work allowed the motor to manage to heat up. Does not rescue from cold start: that occurred in a night, the motor received wear for those six HZ six times. In minuses: the increased fuel consumption, incompatibility with carburetor power supply systems, and in hard frosts exists probability of obstruction of an exhaust pipe an ice stopper of condensate. Besides, autostart systematically discharges the accumulator, without giving to the battery of time to be loaded. Therefore if you have an autostart, every two weeks or month load joint stock bank completely on the charger. One more subtlety of autostart — protection "from the fool" by cars from a manual transmission. Cases when the habit to leave the car not on a bench hammer, and on transfer led to a tragikomichny outcome are known. And the trouble happened even to skilled drivers — professionals!
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