Having a care in good conditions seems to be a very important requirement for most of us, as we are all dependent upon our cars, regardless whether it is to get to work or for personal reasons. So when we observe something different about our Renault Scenic 4, we rationally tend to ask ourselves questions. If, in your case, it’s your engine that rattles when hot on your Renault Scenic 4, you’ve come to the right place. We are aware that this is a repeated issue and so we have decided to compose a dedicated document to help you deal with it. For this, first we will look into the trouble relevant to hydraulic tappets and valves, then at combustion trouble, and at last at the engine rattling when hot because of problems relevant to the lower engine.
Engine rattling when hot on my Renault Scenic 4 because of the hydraulic tappets
If you notice the engine hot rattles on your Renault Scenic 4, and this noise is based 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 Renault Scenic 4. Either the hydraulic tappets, generally 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 accountable. In this instance, reflect on swapping them.
The engine of my Renault Scenic 4 is doing some rattling noise when hot because of combustion problem
Second option, if you have the impression that the hot engine rattling is relevant 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 supply good combustion. And to finish, the most classic motive comes from your injectors, which are either clogged or damaged. Don’t hesitate to go to your auto mechanic so that he can examine the part that seems to be at the origin of your engine’s hot clicking on your Renault Scenic 4.
Engine of my Renault Scenic 4 rattling cause of problem in the lower part of the engine
To conclude, if you have outlined the area of origin of your engine that hot rattles on your Renault Scenic 4 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 Renault Scenic 4. In any case, don’t wait when you identify such a issue, it will enable you to foresee an upcoming expense or at best find a less costly option, 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 check out our catalogue of items on your car that can help you get rid of other problems or learn more about your Renault Scenic 4.
If you have any additional questions about the Renault Scenic 4, do not hesitate to consult our Renault Scenic 4 category.
