Facing constant noises on your car will probably be unpleasant, a motor vehicle is so complex that it is generally difficult to identify its origin and even more challenging to find the component that causes it. In the event you too have already came accross a cold engine noise on your Renault Megane 2, we can definitely support you. In reality, our team chose to publish this article to be able to inspect the main causes of an engine that rattles when cold on your Renault Megane 2. First we will look at engines that is rattling only when turned on, then because of improper oil and finally because of glow plugs.


The engine of my Renault Megane 2 is rattling only when starting

If the engine of your Renault Megane 2 makes a cold rattles, specifically when starting and which fades rather quickly afterwards, it is possible that your engine lubrication is to blame. In reality, the oil strainer (the component that sucks up the oil and makes it rise to the top of the engine) can be damaged and therefore take some time to make the oil rise when it is still very viscous. If this is your case, after a few tens of seconds the engine that slams your Renault Megane 2 should come back to normal operation because the lubrication of the engine will be done normally, be sure you examine the condition of the engine.

Engine of my Renault Megane 2 that rattles when cold because of too fluid oil

Another option which can explain an engine which cold rattling on your Renault Megane 2 is that during an oil change the choice of oil was not best, indeed, engine oils differ on their viscosity, which we will compare with the “W” value, the higher this value is the thicker the oil will be and vice versa. If a too fluid oil has been picked, it is possible that when cold, the lubrication it allows is not adequate to limit engine slamming, compare the oil used and the oil suggested by the manufacturer, if your engine clicking is strong or if it persists on your Renault Megane 2, do not hesitate to change it with the right oil.

Engine that rattles when cold on my Renault Megane 2 cause of the glow plugs

If you have a diesel engine, your engine is rattling when cold, and it has difficulty starting when it is cold, it may be your Renault Megane 2 glow plugs that are nearly good to be changed. In reality, a dead spark plug will trigger the linked cylinder not to heat up and will create a stronger rattles on an engine Renault Megane 2, so take into account trying out the state of your spark plugs independently using a multimeter, it may be that only one is concerned like all of them. Here, we have described to you, the main motives of an engine that cold slam on a car, do not hesitate to read our page dedicated to your car to find further details on all the breakdowns associated with your car.

If you wish more tutorials on the Renault Megane 2, go to our Renault Megane 2 category.