Having a care in good conditions appears to be a vital prerequisite for most people, as we are all dependent upon our cars, regardless whether it is to go to your job or for personal travel. So when we come across something different about our Volkswagen Polo 4, we rationally tend to ask ourselves questions. If, in your case, it’s your engine that rattles when hot on your Volkswagen Polo 4, you’ve come to the right place. We are aware that this is a repeated issue and so we have chose to publish a dedicated content page to enable you deal with it. For this, first we will look into the concerns linked to hydraulic tappets and valves, then at combustion concerns, and finally at the engine rattling when hot because of problems linked to the lower engine.
Engine rattling when hot on my Volkswagen Polo 4 because of the hydraulic tappets
If you notice the engine hot rattles on your Volkswagen Polo 4, 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 Volkswagen Polo 4. Either the hydraulic tappets, in most cases it is because of their faulty “hydraulic catch-up” system that you will hear these clicking noises, often when hot and not when cold. In any other case, it is the play of your rocker arms or their state of wear that is at fault. In this instance, reflect on swapping them.
The engine of my Volkswagen Polo 4 is doing some rattling noise when hot because of combustion problem
Second option, if you have the feeling that the hot engine rattling is linked to 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 enhance good combustion. And to finish, the most common motive comes from your injectors, which are either clogged or damaged. Don’t forget to go to your auto mechanic so that he can check the component that seems to be at the origin of your engine’s hot clicking on your Volkswagen Polo 4.
Engine of my Volkswagen Polo 4 rattling cause of problem in the lower part of the engine
To finish, if you have determined the place of origin of your engine that hot rattles on your Volkswagen Polo 4 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 Volkswagen Polo 4. In any case, don’t wait when you spot such a issue, it will enable you to foresee an upcoming expense or at best find a cheaper solution, rather than find yourself faced with a failure with the origin of your engine rattling when hot and the end final result being your engine breaking down on you when you come home from work. Don’t hesitate to have a look at our catalogue of items on your car that can enable you resolve other problems or learn more about your Volkswagen Polo 4.
To find more tips on the Volkswagen Polo 4, take a look at the Volkswagen Polo 4 category.
