Having a healthy car appears to be a very important prerequisite for the majority of us, as we are all dependent upon our cars, it doesn’t matter if it is to get to work or for personal reasons. So when we discover some thing different about our GMC Acadia, we logically usually tend to ask ourselves questions. If, in your case, it’s your engine that rattles when hot on your GMC Acadia, you’ve come to the right place. We know that this is a repeating issue and so we have decided to produce a specialized content to help you deal with it. To accomplish this, first we will take a look at the concerns in connection with hydraulic tappets and valves, then at combustion concerns, and at last at the engine rattling when hot because of concerns in connection with the lower engine.

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Engine rattling when hot on my GMC Acadia because of the hydraulic tappets

If you perceive the engine hot rattles on your GMC Acadia, and this noise is located at the top of the engine, it involves that it comes from your cylinder head and its accompanying parts. There are two possible causes of an hot engine rattling on a GMC Acadia. 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 to blame. In this case, consider replacing them.

The engine of my GMC Acadia is doing some rattling noise when hot because of combustion problem

Second possibility, if you have the feeling 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 control the synchronization of the different elements of the engine to enhance good combustion. And to conclude, the most classic reason comes from your injectors, which are either clogged or damaged. Don’t hesitate to go to your auto technician so that he can inspect the component that seems to be the reason of your engine’s hot clicking on your GMC Acadia.

Engine of my GMC Acadia rattling cause of problem in the lower part of the engine

To conclude, if you have outlined the place of origin of your engine that hot rattles on your GMC Acadia that comes from your lower engine, it may be that your connecting rods or piston pins are the origin. In both circumstances, 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 GMC Acadia. In any case, don’t wait when you detect such a issue, it will enable you to anticipate an upcoming big repair or at best find a more affordable option, rather than find yourself faced with a failure with the origin of your engine rattling when hot and the end result being your engine giving out 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 resolve other concerns or learn more about your GMC Acadia.

To get more tips on the GMC Acadia, take a look at the GMC Acadia category.