Having a care in good conditions appears to be a vital prerequisite for almost everyone, as we are all dependent on our cars, regardless it is to go to work or for personal travel. So when we locate something different about our Opel Astra, we rationally usually tend to ask ourselves queries. If, in your case, it’s your engine that rattles when hot on your Opel Astra, you’ve come to the right place. We understand that this is a recurring problem and so we have decide to publish a focused article content to enable you deal with it. To do so, first we will look into the problems relevant to hydraulic tappets and valves, then at combustion problems, and finally at the engine rattling when hot because of problems relevant to the lower engine.


Engine rattling when hot on my Opel Astra because of the hydraulic tappets

If you perceive the engine hot rattles on your Opel Astra, and this noise is based at the top of the engine, it involves that it comes from your cylinder head and its accompanying elements. There are two possible triggers of an hot engine rattling on a Opel Astra. Either the hydraulic tappets, in general 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 Opel Astra is doing some rattling noise when hot because of combustion problem

Second option, if you have the feeling that the hot engine rattling is relevant 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 create good combustion. And finally, the most traditional reason 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 Opel Astra.

Engine of my Opel Astra rattling cause of problem in the lower part of the engine

To finish, if you have identified the area of origin of your engine that hot rattles on your Opel Astra that comes from your lower engine, it may be that your connecting rods or piston pins are the origin. In both situations, 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 Opel Astra. In any case, don’t wait when you identify such a problem, it will allow you to foresee an upcoming big repair or at best find a more affordable solution, 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 have a look at our catalogue of items on your car that can enable you fix other problems or learn more about your Opel Astra.

In the event that you have any additional questions about the Opel Astra, do not hesitate to consult our Opel Astra category.