Having a healthy car appears to be a vital requirement for most people, as we are all dependent on our automobiles, it doesn’t matter if it is to go to work or for personal travel. So when we discover something different about our Land Rover Discovery, we logically are likely to ask ourselves questions. If, in your case, it’s your engine that rattles when hot on your Land Rover Discovery, you’ve come to to the good article contect. We understand that this is a recurring trouble and so we have decide to publish a specialized article to help you deal with it. For this, first we will look into the complications associated with hydraulic tappets and valves, then at combustion complications, and to conclude at the engine rattling when hot because of trouble associated with the lower engine.

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Engine rattling when hot on my Land Rover Discovery because of the hydraulic tappets

If you find out the engine hot rattles on your Land Rover Discovery, and this noise is established at the top of the engine, it means that it comes from your cylinder head and its accompanying elements. There are two possible causes of an hot engine rattling on a Land Rover Discovery. 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 such a case, consider replacing them.

The engine of my Land Rover Discovery is doing some rattling noise when hot because of combustion problem

Second option, if you have the feeling that the hot engine rattling is associated 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 control the synchronization of the different elements of the engine to promote good combustion. And to conclude, the most common trigger 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 the reason of your engine’s hot clicking on your Land Rover Discovery.

Engine of my Land Rover Discovery rattling cause of problem in the lower part of the engine

To conclude, if you have determined the place of origin of your engine that hot rattles on your Land Rover Discovery 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 Land Rover Discovery. In any case, don’t wait when you identify such a trouble, it will enable you to prepare for an upcoming big repair 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 read our catalogue of items on your car that can help you fix other problems or learn more about your Land Rover Discovery.

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