Having a care in good conditions seems to be a very important prerequisite for many people, as we are all dependent on our cars, regardless whether it is to go to work or for personal travel. So when we observe something different about our Mercedes Classe A 3, we rationally tend to ask ourselves questions. If, in your case, it’s your engine that rattles when hot on your Mercedes Classe A 3, you’ve come to the right place. We understand that this is a repeated trouble and so we have chose to produce a dedicated article content to enable you deal with it. For this, first we will check out the complications in connection with hydraulic tappets and valves, then at combustion complications, and to finish at the engine rattling when hot because of concerns in connection with the lower engine.

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Engine rattling when hot on my Mercedes Classe A 3 because of the hydraulic tappets

If you notice the engine hot rattles on your Mercedes Classe A 3, and this noise is established at the top of the engine, it means that it comes from your cylinder head and its accompanying components. There are two possible triggers of an hot engine rattling on a Mercedes Classe A 3. Either the hydraulic tappets, ordinarily it is because of their faulty “hydraulic catch-up” system that you will hear these clicking noises, often when hot and not when cold. Otherwise, it is the play of your rocker arms or their state of wear that is responsible. In this case, consider swapping them.

The engine of my Mercedes Classe A 3 is doing some rattling noise when hot because of combustion problem

Second probability, if you have the feeling that the hot engine rattling is in connection with the combustion of your engine, there are three possible triggers of this one. It may be that your timing is out of sync and that it does not control the synchronization of the different elements of the engine to create good combustion. And to conclude, the most common trigger comes from your injectors, which are either clogged or damaged. Don’t forget to go to your auto mechanic so that he can inspect the component that seems to be at the origin of your engine’s hot clicking on your Mercedes Classe A 3.

Engine of my Mercedes Classe A 3 rattling cause of problem in the lower part of the engine

To finish, if you have identified the place of origin of your engine that hot rattles on your Mercedes Classe A 3 that comes from your lower engine, it may be that your connecting rods or piston pins are the origin. In both circumstances, the risk in the long run is engine breakage. These two repairs are particularly complex and most mechanics will advise you to replace the engine of your Mercedes Classe A 3. In any case, don’t wait when you notice such a trouble, it will allow you to anticipate an upcoming expense or at best find a less expensive option, rather than find yourself faced with a failure with the origin of your engine rattling when hot and the end end result being your engine breaking down on you when you come home from work. Don’t hesitate to take a look at our catalogue of items on your car that can enable you remedy other problems or learn more about your Mercedes Classe A 3.

If you have any further questions about the Mercedes Classe A 3, do not hesitate to consult our Mercedes Classe A 3 category.