Car engine “cylinder” know how much?

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Car engine “cylinder” know how much?

The owners of the car editor to interview everyone, heard of the engine “pull cylinder”? Is a very good understanding or only heard it, I do not know what kind of answer you will give? Let's take a look at the relevant aspects of the “cylinder” to understand more about it!

Engine pulling is a common phenomenon of engine failure, caused by the engine pulling a lot of accidents, so we have a comprehensive understanding of the engine pulling, but also on the one hand to avoid engine failure, to extend the time limit for the use of the engine.

Q. What is engine pulling?

What is engine pulling?

A

As the name suggests, “cylinder pulling” refers to the engine cylinder wall is strained, that is, the inner wall of the abnormal wear and tear, the appearance of deep grooves, which belongs to the engine serious mechanical damage.

What are the main factors that cause engine “pulling”? We can understand the reasons to better avoid the emergence of “pulling the cylinder”:

01

Poor lubrication of the cylinder

Cylinder lubrication oil is insufficient, or lack of interruption of oil supply, which occurs in direct contact with the metal, will form a cylinder. Cylinder lubrication is poor for the following reasons: too little oil in the sump, or the quality of the oil is not good, as well as the high temperature of the diesel engine and the piston ring damage failure, etc., so the use of high-quality lubricants is very, very important! Here we recommend Ribang lubricants, quality quality are very good, you can try oh.

02

Insufficient break-in

If you want to get more effective break-in in a short period of time, you must consider the problem of break-in time and load distribution. In too low a load even if it can not be a long time to break in, can not be broken in, but if the rush of high load operation, it will cause the emergence of pulling the cylinder. It can be seen that attention should be paid to increasing the amount of oil injection during the break-in period, and the piston ring should be operated under low load for a period of time after it is replaced with a new one. After the piston and cylinder liner are replaced, they should be broken in and then run under a higher load.

03

Poor cooling

Poor cooling will lead to the cylinder and piston temperature is too high, but also make the piston and cylinder liner overheating and excessive expansion and deformation, thus losing the original normal clearance and cylinder pulling. Cooling water pump discharge pressure is not enough, insufficient or interrupted water supply, cooling water cavity corrosion, water containing air bubbles in the cooling cavity was not released resulting in air resistance and poor water quality and water temperature is too high are the reasons for poor cooling.

04

Piston ring is not working properly

The opening gap is too small, will make the piston fracture, if too much carbon, will make the piston ring stick in the ring groove and then lose elasticity, will also cause fracture and air leakage, air leakage will destroy the lubricant film, making the surface temperature is too high. After the piston fracture debris, it is easy to enter the piston between the cylinders, thus causing cylinder pulling, cylinder bite.

05

Frequent low-temperature start

When the engine starts at low temperature, it will make the viscosity of the lubricant increase, thus reducing the fluidity, thus making it difficult to form an effective oil film on the inner wall. According to the research department's experiments, diesel engines in the cooling water temperature of 30 ℃ below the load operation, the cylinder liner and other parts of the wear and tear of the normal water temperature is 5 to 7 times.

06

The quality of engine oil used is too poor

Incomplete combustion will bring more combustion residue, will cause serious afterburning phenomenon, will also make the exhaust temperature rise, in addition to some diesel engines due to long-term overloading, thermal load increase, overheating expansion or poor alignment of moving parts and cylinder pulling. Recommended use of Ribang lubricants, quality and quality are assured.

Said so much to cause the engine “cylinder” reasons, then how to avoid it?

Since we know the reason, we should know how to avoid ah! For the lubrication system, should be in accordance with the prescribed cycle of oil change maintenance, and the use of genuine oil and oil filters, recommended Ribang lubricants, can give the car better care. Be sure to choose high-quality parts, so as not to save costs and cause greater losses. For the cooling system, develop a good habit of observing the meter when driving, and do not drive for a long time when the water temperature is high, and should be checked at the workshop as soon as possible. Daily check the coolant level, such as coolant consumption is abnormal, should check the cooling system whether there is a leak, and according to the specified cycle to replace the coolant.

Cylinder pull” will damage many parts, in addition to the cylinder wall will be damaged, the piston, axial tile, valve and other moving parts will be more or less damaged, many parts need to be replaced, so the repair cost will be very high, so we have a comprehensive understanding of the ‘cylinder pull’ will be more effective to avoid cylinder pull. Therefore, after a comprehensive understanding of “cylinder pulling”, we will be more effective in avoiding the production of cylinder pulling.