Because of what it may be necessary to replace the cylinder head gasket?

2024 Author: Erin Ralphs | [email protected]. Last modified: 2024-02-19 11:42

The cylinder head is one of the most important components of the car, the quality of which directly affects the dynamic characteristics of the car. The head houses the combustion chamber and valve mechanism, which is an essential part of the gas distribution system.

The cylinder head is bolted to the block so tightly that the bolts or studs that are used for this are used only once, after which they become unusable for this operation, as they are pulled out.

So, a cylinder head gasket is installed between them. There are times when it needs to be replaced.

In general, replacing the cylinder head gasket is not a very complicated procedure, because, whatever one may say, it is preceded by the removal of the cylinder head. Of course, there may be some problems here, but the cylinder head gasket is a very important part, the replacement of which occurs only in extreme cases.

In principle, there are few cases when it may become necessary to replace the cylinder head gasket. The first is the usual engine repair, in which the head is removed. The fact is that the steel rings that frame the inner edges, whenstrong attraction are compressed and become unsuitable for reuse. In addition, the head has channels for the flow of lubricant and coolant. Their edges become shaggy. A heat-resistant sealant is also applied to both sides of the gasket. It is impossible to restore it, but nowadays all parts are available at the nearest auto shop.

In addition, the replacement of the cylinder head gasket occurs due to poor assembly after installing the head, since the latter could be pulled with insufficient force. Then on its surface it will be possible to see traces of oil or coolant leakage. The entry of the first substance between the gasket and the mating parts leads to inevitable consequences in the form of leakage of liquids poured into the engine block.

More problematic is the replacement of the cylinder head gasket in case it burns out. This is another consequence of the loose fit. As you know, the temperature in the combustion chamber during the explosion of the combustible mixture reaches 800 degrees. Therefore, cylinder head gaskets, as a rule, are made of paronite in a steel frame. But the steel rings are located only along the inner edge, so the leakage of gases beyond their limits leads to a sharp decrease in compression in the cylinder, possibly in none. As a result - a drop in power.

Such a problem can be identified by the characteristic noise. In addition, coolant or lubricating fluid can enter such a channel. This leads to their release into the enginecompartment.

During the intake stroke, a vacuum is created in the cylinder, which sucks oil from the lubrication system through the hole formed.

In principle, this problem is quite rare, but if it occurs, then it is not worth delaying the elimination, because such a trifle can completely disable the engine.