Having a care in good conditions seems to be a very important requirement for many people, as we are all depending on our automobiles, whether it is to get to your job or for personal reasons. So when we discover something different about our GMC Terrain, we logically tend to ask ourselves queries. If, in your case, it’s your engine that rattles when hot on your GMC Terrain, you’ve come to the right place. We are aware that this is a recurring trouble and so we have decided to produce a specialized content to enable you deal with it. For this, first we will take a look at the problems associated with hydraulic tappets and valves, then at combustion problems, and finally at the engine rattling when hot because of trouble associated with the lower engine.


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

If you perceive the engine hot rattles on your GMC Terrain, and this noise is based 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 GMC Terrain. Either the hydraulic tappets, generally 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 accountable. In such a case, consider replacing them.

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

Second probability, if you have the impression 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 manage the synchronization of the different elements of the engine to enhance good combustion. And to finish, the most classic motive comes from your injectors, which are either clogged or damaged. Don’t hesitate to go to your repair shop so that he can examine the part that seems to be at the origin of your engine’s hot clicking on your GMC Terrain.

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

Finally, if you have outlined the location of origin of your engine that hot rattles on your GMC Terrain 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 GMC Terrain. In any case, don’t wait when you detect such a trouble, it will enable you to anticipate an upcoming expense or at best find a cheaper 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 giving out on you when you come home from work. Don’t hesitate to read our catalogue of items on your car that can enable you solve other concerns or learn more about your GMC Terrain.

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