Having a healthy car appears to be an important requirement for most people, as we are all dependent on our cars, whether it is to go to work or for personal reasons. So when we observe something different about our Lexus RX, we rationally tend to ask ourselves queries. If, in your case, it’s your engine that rattles when hot on your Lexus RX, you’ve come to the right place. We are aware that this is a repeating trouble and so we have chose to publish a focused content page to enable you deal with it. To do so, first we will check out the complications related to hydraulic tappets and valves, then at combustion complications, and finally at the engine rattling when hot because of concerns related to the lower engine.
Engine rattling when hot on my Lexus RX because of the hydraulic tappets
If you notice the engine hot rattles on your Lexus RX, and this noise is based at the top of the engine, it means that it comes from your cylinder head and its accompanying parts. There are two possible triggers of an hot engine rattling on a Lexus RX. 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, reflect on swapping them.
The engine of my Lexus RX is doing some rattling noise when hot because of combustion problem
Second possibility, if you have the feeling that the hot engine rattling is related 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 to conclude, 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 component that seems to be at the origin of your engine’s hot clicking on your Lexus RX.
Engine of my Lexus RX 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 Lexus RX 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 Lexus RX. In any case, don’t wait when you notice such a trouble, it will enable you to anticipate an upcoming big repair or at best find a less expensive remedy, 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 check out our catalogue of items on your car that can enable you remedy other worries or learn more about your Lexus RX.
To find more tips on the Lexus RX, take a look at the Lexus RX category.
