Having a healthy car seems to be a very important requirement for almost everyone, as we are all dependent upon our cars, regardless whether it is to go to your job or for personal reasons. So when we observe something different about our GMC Savana, we logically are likely to ask ourselves questions. If, in your case, it’s your engine that rattles when hot on your GMC Savana, you’ve come to to the good article contect. We are aware that this is a repeating trouble and so we have chose to write a dedicated content page to enable you deal with it. To accomplish this, first we will take a look at the problems linked to hydraulic tappets and valves, then at combustion problems, and at last at the engine rattling when hot because of problems linked to the lower engine.


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

If you find out the engine hot rattles on your GMC Savana, and this noise is based at the top of the engine, it involves that it comes from your cylinder head and its accompanying parts. There are two possible triggers of an hot engine rattling on a GMC Savana. 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. Otherwise, it is the play of your rocker arms or their state of wear that is at fault. In this case, consider swapping them.

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

Second possibility, if you have the feeling that the hot engine rattling is linked 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 enhance good combustion. And finally, the most traditional trigger comes from your injectors, which are either clogged or damaged. Don’t forget to go to your auto technician so that he can inspect the part that seems to be the reason of your engine’s hot clicking on your GMC Savana.

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

At last, if you have identified the location of origin of your engine that hot rattles on your GMC Savana 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 GMC Savana. 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 expensive remedy, 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 giving out on you when you come home from work. Don’t hesitate to look at our catalogue of items on your car that can enable you resolve other concerns or learn more about your GMC Savana.

In the event that you have any further questions about the GMC Savana, do not hesitate to consult our GMC Savana category.