To change or not to change - that is the question. Most motorists ask themselves something similar when it comes to the need to replace the water pump (pump) along with the timing belt. Some argue that the pump is quite capable of working out a double resource. But is this really the case with an important detail? And most importantly: what will happen to the car if you miscalculate and do not replace the mentioned element in a timely manner.
The water pump or water pump is an important part of the timing mechanism. In most domestic cars, the pump is still driven by the timing belt drive. This design has its advantages, but there are also serious disadvantages. The "extra" element, alas, does not add reliability to the entire mechanism. If the pump wears out, a sufficiently strong gear play is formed, which can cause the belt to run unevenly or even cause it to slide. In the most advanced cases, a poorly functioning pump can even cause the timing belt to break. Moreover, if we are talking about a new car, then the pump can really calmly work out 1.5-2 resources.
Nevertheless, really experienced motorists still insist on the need to timely replace the pump along with the timing belt. There are several reasons for this. The first - the pump costs about 1 thousand rubles, which is not so much. Especially when you compare the cost of a water pump with the cost of a potential repair. gas distribution apparatus, the cause of which may be the untimely replacement of the considered structural element.
The second reason is that most often the pump still wears out symmetrically to the belt. Even if there are no visible signs of wear, this does not mean that they will not be found when the structure is disassembled. Ignoring the problem can lead to bent connecting rods, broken pistons, kinked valves and many other unpleasant (and extremely costly to fix) consequences.
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Finally, the third reason is that more often than not, even if the pump normally survives the first timing belt replacement, it will most likely not last until the second belt replacement. This means you will have to spend even more time servicing the machine. The question arises: why do something twice, if you can do it once?
If you want to know even more interesting things, then you should read about a driving gesture that will make it clearthat it is necessary to increase the distance.
A source: https://novate.ru/blogs/080321/58102/
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