Having a healthy car appears to be a vital requirement for the majority of us, as we are all dependent upon our vehicles, regardless whether it is to get for you to work or for personal travel. So when we identify something different about our Volvo Xc40, we rationally usually tend to ask ourselves queries. If, in your case, it’s your engine that rattles when hot on your Volvo Xc40, you’ve come to the right place. We know that this is a recurring problem and so we have decided to compose a dedicated content to help you deal with it. For this, first we will look at the trouble linked to hydraulic tappets and valves, then at combustion trouble, and to finish at the engine rattling when hot because of problems linked to the lower engine.

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Engine rattling when hot on my Volvo Xc40 because of the hydraulic tappets

If you find out the engine hot rattles on your Volvo Xc40, and this noise is located at the top of the engine, it means that it comes from your cylinder head and its accompanying components. There are two possible causes of an hot engine rattling on a Volvo Xc40. 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 to blame. In this instance, consider swapping them.

The engine of my Volvo Xc40 is doing some rattling noise when hot because of combustion problem

Second probability, if you have the impression that the hot engine rattling is linked to the combustion of your engine, there are three possible causes of this one. It may be that your timing is out of sync and that it does not manage the synchronization of the different elements of the engine to create good combustion. And finally, the most common motive comes from your injectors, which are either clogged or damaged. Don’t forget to go to your repair shop so that he can check the component that seems to be at the origin of your engine’s hot clicking on your Volvo Xc40.

Engine of my Volvo Xc40 rattling cause of problem in the lower part of the engine

At last, if you have outlined the place of origin of your engine that hot rattles on your Volvo Xc40 that comes from your lower engine, it may be that your connecting rods or piston pins are the origin. In both cases, 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 Volvo Xc40. In any case, don’t wait when you notice such a problem, it will enable you to prepare for an upcoming expense or at best find a cheaper remedy, 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 giving out 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 help you solve other worries or learn more about your Volvo Xc40.

If you wish more guides on the Volvo Xc40, go to our Volvo Xc40 category.