Facing repeated noises on your car will probably be unpleasant, a vehicle is so complicated that it is generally tricky to track down its origin and even more hard to find the component that triggers it. In case you too have previously came accross a cold engine noise on your seat leon, we can surely help you. In fact, our editorial staff chose to write this document in order to analyze the main triggers of an engine that rattles when cold on your seat leon. First we will look at engines that is rattling only at start up, then because of improper oil and finally because of glow plugs.


The engine of my seat leon is rattling only when starting

If the engine of your seat leon generates a cold rattles, specifically when starting and which disappear 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 malfunctioned 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 seat leon should return to normal functions because the lubrication of the engine will be done normally, remember to examine the condition of the engine.

Engine of my seat leon that rattles when cold because of too fluid oil

Another option which can justify an engine which cold rattling on your seat leon is that during an oil change the selection of oil was not perfect, 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 selected, 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 recommended by the manufacturer, if your engine clicking is strong or if it persists on your seat leon, do not be reluctant to change it with the right oil.

Engine that rattles when cold on my seat leon 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 seat leon glow plugs that are defectives. In fact, a dead spark plug will cause the connected cylinder not to heat up and will trigger a stronger rattles on an engine seat leon, so take into consideration testing the state of your spark plugs individually using a multimeter, it may be that only one is involved like all of them. Here, we have listed to you, the main causes of an engine that cold slam on a car, do not be reluctant to read our page specialized to your car to find extra details on all the breakdowns related to your vehicle.

In the event that you have any additional questions about the seat leon, do not hesitate to consult our seat leon category.