A cylinder head is that part of the engine that sits on top of the engine block itself which, respectively, presses gasoline fumes and air into the engine's cylinders and then emits exhaust gases again.
So what is the purpose of a cylinder head? Generally, it’s with the cylinder head that the engine's functions start and end. In the cylinder head there are both valves, the camshaft and spark plugs. The camshaft is the shaft that controls whether the valves are open or closed, and it rotates inside the cylinder head to make sure that the right valves take in air or emit gases at the right time.
Damage to a cylinder head can look different, but fortunately it rarely breaks.
However, it can be a good idea to get a cylinder head service. If the timing belt breaks, the cylinder head may be damaged. It can also be bent due to high heat. Here, you will need a cylinder head skimming to reface it’s surface. If you are wondering how to skim a cylinder head at home, the answer is simple: You will need special equipment that few people own.
So no matter what, ask the mechanic in the garage, he can tell you what's wrong - including the cylinder head skimming cost - and what the solution is.
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Is it instead the head gasket you need to have examined?
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