Facing repeated noises on your car will probably be upsetting, a automobile is so elaborate that it is generally hard to identify its source and even more problematic to find the component that causes it. In case you too have previously faced a cold engine noise on your Renault Megane, we can definitely help you. In fact, we made the decision to publish this article content to be able to analyze the main causes of an engine that rattles when cold on your Renault Megane. First we will check out engines that is rattling only when starting, then because of improper oil and finally because of glow plugs.


The engine of my Renault Megane is rattling only when starting

If the engine of your Renault Megane produces a cold rattles, specifically when starting and which disappear fairly quickly afterwards, it is possible that your engine lubrication is responsible. In fact, 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 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 should go back to normal operation because the lubrication of the engine will be done naturally, remember to verify the condition of the engine.

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

Another option which can explain an engine which cold rattling on your Renault Megane is that during an oil change the selection of oil was not ideal, in reality, engine oils differ on their viscosity, which we will review 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 advised by the manufacturer, if your engine clicking is strong or if it persists on your Renault Megane, do not think twice to change it with the right oil.

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

If you have a diesel engine, your engine is rattling when cold, and it has complication starting when it is cold, it may be your Renault Megane glow plugs that are at the end of their life. In fact, a dead spark plug will cause the attached cylinder not to heat up and will bring about a stronger rattles on an engine Renault Megane, so take into account testing 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 explained to you, the main causes of an engine that cold slam on a car, do not think twice to have a look at our page dedicated to your car to find more details on all the breakdowns associated with your car.

To discover more tips on the Renault Megane, take a look at the Renault Megane category.