Facing frequent noises on your car has a tendency to be unpleasant, a vehicle is so complex that it is most of the time tricky to find its origin and even more hard to find the part that causes it. In case you too have previously faced a cold engine noise on your Peugeot 508, we can clearly support you. Indeed, our editorial staff chose to write this document in order to inspect the main causes of an engine that rattles when cold on your Peugeot 508. First we will look at engines that is rattling only when starting, then because of improper oil and finally because of glow plugs.
The engine of my Peugeot 508 is rattling only when starting
If the engine of your Peugeot 508 makes a cold rattles, especially when starting and which ends rather quickly afterwards, it is possible that your engine lubrication is responsible. 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 viscous. If this is your case, after a few tens of seconds the engine that slams your Peugeot 508 should come back to normal operation because the lubrication of the engine will be done naturally, make sure verify the condition of the engine.
Engine of my Peugeot 508 that rattles when cold because of too fluid oil
Another situation which can explain an engine which cold rattling on your Peugeot 508 is that during an oil change the choice of oil was not ideal, 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 selected, it is possible that when cold, the lubrication it allows is not sufficient 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 508, do not be reluctant to swap it with the right oil.
Engine that rattles when cold on my Peugeot 508 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 508 glow plugs that are at the end of their life. Indeed, a dead spark plug will cause the attached cylinder not to heat up and will bring about a stronger rattles on an engine Peugeot 508, so think about evaluating the state of your spark plugs separately using a multimeter, it may be that only one is involved like all of them. Here, we have described to you, the main reasons of an engine that cold slam on a car, do not be reluctant to have a look at our page specialized to your car to find more details on all the breakdowns linked to your car.
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