Facing regular noises on your car is likely to be distressing, a automobile is so complex that it is generally tricky to determine its origin and even more problematic to find the component that causes it. In case you too have previously experienced a cold engine noise on your Peugeot 307, we can surely support you. In fact, our editorial staff decided to compose this document to be able to analyze the main causes of an engine that rattles when cold on your Peugeot 307. 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 Peugeot 307 is rattling only when starting

If the engine of your Peugeot 307 generates a cold rattles, specifically when starting and which disappear rather quickly afterwards, it is possible that your engine lubrication is to blame. In fact, the oil strainer (the component that sucks up the oil and makes it rise to the top of the engine) can be broken 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 307 should return to normal operation because the lubrication of the engine will be done normally, make sure check the condition of the engine.

Engine of my Peugeot 307 that rattles when cold because of too fluid oil

Another possibility which can explain an engine which cold rattling on your Peugeot 307 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 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 Peugeot 307, do not hesitate to replace it with the right oil.

Engine that rattles when cold on my Peugeot 307 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 Peugeot 307 glow plugs that are defectives. In fact, a dead spark plug will cause the attached cylinder not to heat up and will create a stronger rattles on an engine Peugeot 307, so consider diagnosing 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 revealed to you, the main causes of an engine that cold slam on a car, do not hesitate to read our page specialized to your car to find more details on all the breakdowns associated with your motor vehicle.

If perhaps you have any additional questions about the Peugeot 307, do not hesitate to consult our Peugeot 307 category.