Being the victim of constant noises on your car will probably be distressing, a motor vehicle is so complicated that it is most of the time tricky to discover its origin and even more hard to find the component that causes it. In the event you too have previously experienced a cold engine noise on your smart fortwo, we can certainly help you. Indeed, our team chose to write this content page to be able to review the main causes of an engine that rattles when cold on your smart fortwo. First we will check out engines that is rattling only at start up, then because of unsuitable oil and finally because of glow plugs.


The engine of my smart fortwo is rattling only when starting

If the engine of your smart fortwo makes 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 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 smart fortwo should go back to normal performance because the lubrication of the engine will be done normally, make sure verify the condition of the engine.

Engine of my smart fortwo that rattles when cold because of too fluid oil

Another possibility which can justify an engine which cold rattling on your smart fortwo is that during an oil change the choice 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 adequate 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 smart fortwo, do not be reluctant to swap it with the right oil.

Engine that rattles when cold on my smart fortwo 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 smart fortwo glow plugs that are defectives. Indeed, a dead spark plug will induce the connected cylinder not to heat up and will trigger a stronger rattles on an engine smart fortwo, so take into consideration 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 revealed to you, the main motives of an engine that cold slam on a car, do not be reluctant to have a look at our page dedicated to your car to find further details on all the breakdowns related to your automobile.

If you have any additional questions about the smart fortwo, do not hesitate to consult our smart fortwo category.