Facing regular noises on your car will probably be distressing, a motor vehicle is so complex that it is most of the time complicated to locate its source and even more challenging to find the part that causes it. In case you too have previously came accross a cold engine noise on your Toyota Rav 4, we can definitely help you. Indeed, our team made the decision to write this article in order to examine the main causes of an engine that rattles when cold on your Toyota Rav 4. First we will take a look at engines that is rattling only when starting, then because of improper oil and finally because of glow plugs.
The engine of my Toyota Rav 4 is rattling only when starting
If the engine of your Toyota Rav 4 makes a cold rattles, specifically when starting and which ends before long afterwards, it is possible that your engine lubrication is at fault. 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 thick. If this is your situation, after a few tens of seconds the engine that slams your Toyota Rav 4 should return to normal functions because the lubrication of the engine will be done naturally, be sure you check the condition of the engine.
Engine of my Toyota Rav 4 that rattles when cold because of too fluid oil
Another possibility which can explain an engine which cold rattling on your Toyota Rav 4 is that during an oil change the choice of oil was not best, indeed, 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 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 Toyota Rav 4, do not hesitate to change it with the right oil.
Engine that rattles when cold on my Toyota Rav 4 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 Toyota Rav 4 glow plugs that are at the end of their life. Indeed, a dead spark plug will trigger the associated cylinder not to heat up and will provoke a stronger rattles on an engine Toyota Rav 4, 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 explained to you, the main factors of an engine that cold slam on a car, do not hesitate to browse our page specialized to your car to find extra information on all the breakdowns related to your car.
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