Coming accross frequent noises on your car tends to be annoying, a car is so elaborate that it is most of the time difficult to locate its origin and even more problematic to find the part that triggers it. In the event you too have already came accross a cold engine noise on your Hyundai Elantra, we can surely support you. In reality, our team decided to publish this document in order to analyze the main triggers of an engine that rattles when cold on your Hyundai Elantra. 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.

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The engine of my Hyundai Elantra is rattling only when starting

If the engine of your Hyundai Elantra generates a cold rattles, especially when starting and which ends before long afterwards, it is possible that your engine lubrication is at fault. In reality, 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 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 Hyundai Elantra should return to normal performance because the lubrication of the engine will be done naturally, remember to check the condition of the engine.

Engine of my Hyundai Elantra that rattles when cold because of too fluid oil

Another possibility which can explain an engine which cold rattling on your Hyundai Elantra is that during an oil change the selection of oil was not best, 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 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 Hyundai Elantra, do not hesitate to replace it with the right oil.

Engine that rattles when cold on my Hyundai Elantra 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 Hyundai Elantra glow plugs that are defectives. In reality, a dead spark plug will cause the connected cylinder not to heat up and will cause a stronger rattles on an engine Hyundai Elantra, so take into consideration trying out the state of your spark plugs independently 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 hesitate to have a look at our page dedicated to your car to find additional information on all the breakdowns linked to your car.

Whenever you have any further questions about the Hyundai Elantra, do not hesitate to consult our Hyundai Elantra category.