Having a care in good conditions appears to be a very important prerequisite for the majority of us, as we are all dependent upon our automobiles, regardless whether it is to go to work or for personal reasons. So when we discover something different about our Volvo S90, we rationally usually tend to ask ourselves queries. If, in your case, it’s your engine that rattles when hot on your Volvo S90, you’ve come to the good website. We understand that this is a recurring problem and so we have chose to publish a dedicated content page to enable you deal with it. To do this, first we will look into the problems in connection with hydraulic tappets and valves, then at combustion problems, and to finish at the engine rattling when hot because of trouble in connection with the lower engine.


Engine rattling when hot on my Volvo S90 because of the hydraulic tappets

If you perceive the engine hot rattles on your Volvo S90, and this noise is located at the top of the engine, it denotes that it comes from your cylinder head and its accompanying elements. There are two possible causes of an hot engine rattling on a Volvo S90. 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. Otherwise, it is the play of your rocker arms or their state of wear that is at fault. In this case, reflect on swapping them.

The engine of my Volvo S90 is doing some rattling noise when hot because of combustion problem

Second option, if you have the impression that the hot engine rattling is in connection with 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 promote good combustion. And finally, the most traditional cause comes from your injectors, which are either clogged or damaged. Don’t forget to go to your auto technician so that he can check the part that seems to be at the origin of your engine’s hot clicking on your Volvo S90.

Engine of my Volvo S90 rattling cause of problem in the lower part of the engine

Finally, if you have outlined the place of origin of your engine that hot rattles on your Volvo S90 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 S90. In any case, don’t wait when you identify such a problem, it will let you to anticipate an upcoming big repair 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 result being your engine breaking down on you when you come home from work. Don’t hesitate to look at our catalogue of items on your car that can enable you get rid of other problems or learn more about your Volvo S90.

In the event that you have any further questions about the Volvo S90, do not hesitate to consult our Volvo S90 category.