Facing constant noises on your car tends to be upsetting, a vehicle is so sophisticated that it is most of the time hard to find its source and even more complicated to find the part that causes it. In the event you too have already faced a cold engine noise on your Peugeot 308, we can clearly help you. Indeed, our team chose to publish this document to be able to inspect the main causes of an engine that rattles when cold on your Peugeot 308. First we will take a look at engines that is rattling only when starting, then because of unsuitable oil and finally because of glow plugs.


The engine of my Peugeot 308 is rattling only when starting

If the engine of your Peugeot 308 generates a cold rattles, specifically when starting and which fades rather quickly afterwards, it is possible that your engine lubrication is at fault. Indeed, the oil strainer (the part that sucks up the oil and makes it rise to the top of the engine) can be malfunctioned and therefore take time to make the oil rise when it is still very thick. If this is your case, after a few tens of seconds the engine that slams your Peugeot 308 should return to normal operation because the lubrication of the engine will be done naturally, remember to check the condition of the engine.

Engine of my Peugeot 308 that rattles when cold because of too fluid oil

Another situation which can justify an engine which cold rattling on your Peugeot 308 is that during an oil change the selection of oil was not ideal, in fact, 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 chosen, it is possible that when cold, the lubrication it allows is not good enough 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 Peugeot 308, do not think twice to swap it with the right oil.

Engine that rattles when cold on my Peugeot 308 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 Peugeot 308 glow plugs that are at the end of their life. Indeed, a dead spark plug will cause the linked cylinder not to heat up and will bring about a stronger rattles on an engine Peugeot 308, so consider trying out 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 explained to you, the main factors of an engine that cold slam on a car, do not think twice to read our page dedicated to your car to find additional information on all the breakdowns linked to your motor vehicle.

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