Automobile car engine oil knowledge Daquan protection can not be ignored

Oil has been a lot of car users familiar with a word , that in the end the oil is
used to do it? Oil those labels mean? How to use the opportunity of the most cost-
effective ? What is the most appropriate vehicle to use what oil ? Today, for your
detailed explanation :

Oil 's role :
The engine is the heart of the car , there are a lot of friction between metal
surfaces in the engine movement , the movement speed of these components , the
environment is poor , the working temperature up to 400 ° C to 600 ° C. In the
face of such harsh conditions , only qualified oil in order to reduce the wear of
engine parts , extended service life , then what qualified lubricants to meet the
demands? That is what the three main functions of lubricating oil is ?

1 , lubricating antifriction : between the piston and the cylinder , there are fast
relative sliding between the spindle and bearing, to prevent excessive wear and tear
parts , you need to establish a film between two sliding surfaces. The oil film of
sufficient thickness relative to the surface of the sliding part is spaced so as to
achieve the purpose of reducing wear .
2 , cool down : oil sump can be re- distribute the heat back into the air tank to
help cool the engine .
3 , wash clean: good oil can be carbide on engine parts , sludge, metal particles
wear cycle back through the sump , through the flow of lubricating oil , wash the
dirt work surface parts produced .

Nowadays,high quality car tools is becoming more and more less,so how to choose good
Mileage Programmer is a challenge.

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