V3 parts of the engine cooling system in the work of a certain period of time, the internal will form a variety of dirt. Dirt types due to the use of conditions and maintenance and other factors, there are many differences. For most vehicles, usually use water, use antifreeze only under the condition of low temperature, this situation is prone to rust and dirt to the dirt; for long-term use of antifreeze vehicles will appear in dirt and dirt based gel.
The other components of the contamination include: the formation of acid degradation. For example, the failure of corrosion inhibitor, oxidation of ethylene or propylene glycol, etc.. Heavy metal. The hard water impurities. The physics of impurities. Foreign materials (such as dust, sand etc.) and precipitation additives. The electrolyte.
There are three main faults in the cooling system of the engine cooling system:
(1) the engine temperature is too high or even.
(2) the water temperature is too low for the V3 parts of the north.
(3) leakage of cooling system.
There are many reasons for the engine overheating, the most common reason is due to the internal scale, cooling system scale and gel dirt accumulation, blocking the waterway, the cooling effect of cooling system to reduce the result. The usual way to eliminate this type of failure is to remove the water tank for replacement, but the fact proves that many of the car’s conditions have not been improved.
The leakage of the engine cooling system is mainly in the form of leakage of water tank, leakage of upper and lower water pipes and leakage of cylinder gasket.
A solution to the failure of the main cooling system
1 high temperature fault solution
For the engine overheating fault, especially the problem caused by excessive dirt, can be used to clean the cooling system with special equipment to solve the problem.
(1) the choice of the type of cleaning agent
When choosing a cleaning agent, there are three principles for reference:
For most of the precipitation and corrosion, with a slightly acidic cleaning agent better effect.
If the gel is not hard, you can use alkaline or non corrosive cleaning agents to clean (acid better, but can achieve the effect of alkaline cleaning agent).
The oily impurities in the cooling system, the use of acid cleaning agent to complete the task.
2 solving the leakage fault
(1) situation analysis
North Ben V3 accessories water tank leakage of the shape of the main there are two kinds, one is granular, one is the strip. On the leakage in the removal of damaged, mainly cracking aging; cylinder pad is mainly on water due to various causes, such as the oil into the water.
(2) the treatment method of the leakage of the water tank
At present, there are two major categories of products in the Chinese market to stop leakage of water tanks. From the principle of work, one kind is a plugging agent, one is a check agent. What is the difference? Plugging agent is a chemical product similar to the type of filler, can block all leakage. But the leakage agent product is some plant fiber, the use of surface tension will leak at the end of the block, and then in the role of the curing agent will be fixed in the leakage position, to ensure that the future is no longer leaking. For tank leakage can be directly added to the water tank leakage agent products, should not join plugging agent products.