Being the victim of frequent noises on your car is likely to be unpleasant, a car is so sophisticated that it is generally challenging to identify its source and even more challenging to find the component that triggers it. In the event you too have already experienced a cold engine noise on your Citroen C5 Aircross, we can definitely help you. Indeed, our team chose to write this document in order to analyze the main triggers of an engine that rattles when cold on your Citroen C5 Aircross. First we will take a look at engines that is rattling only when turned on, then because of unsuitable oil and finally because of glow plugs.


The engine of my Citroen C5 Aircross is rattling only when starting

If the engine of your Citroen C5 Aircross produces a cold rattles, especially when starting and which ends before long afterwards, it is possible that your engine lubrication is responsible. Indeed, 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 thick. If this is your situation, after a few tens of seconds the engine that slams your Citroen C5 Aircross should return to normal functions because the lubrication of the engine will be done naturally, make sure examine the condition of the engine.

Engine of my Citroen C5 Aircross that rattles when cold because of too fluid oil

Another possibility which can explain an engine which cold rattling on your Citroen C5 Aircross is that during an oil change the selection of oil was not perfect, 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 chosen, it is possible that when cold, the lubrication it allows is not sufficient 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 Citroen C5 Aircross, do not hesitate to replace it with the right oil.

Engine that rattles when cold on my Citroen C5 Aircross cause of the glow plugs

If you have a diesel engine, your engine is rattling when cold, and it has problems starting when it is cold, it may be your Citroen C5 Aircross glow plugs that are nearly good to be changed. Indeed, a dead spark plug will cause the connected cylinder not to heat up and will trigger a stronger rattles on an engine Citroen C5 Aircross, so think about testing the state of your spark plugs individually using a multimeter, it may be that only one is concerned like all of them. Here, we have described to you, the main causes of an engine that cold slam on a car, do not hesitate to browse our page specialized to your car to find further info on all the breakdowns related to your vehicle.

If you have any further questions about the Citroen C5 Aircross, do not hesitate to consult our Citroen C5 Aircross category.