Facing constant noises on your car is likely to be upsetting, a vehicle is so elaborate that it is most of the time challenging to locate its origin and even more challenging to find the part that triggers it. In the event you too have already experienced a cold engine noise on your Toyota Highlander, we can definitely help you. In fact, we chose to produce this article in order to inspect the main triggers of an engine that rattles when cold on your Toyota Highlander. First we will take a look at engines that is rattling only at start up, then because of unsuitable oil and finally because of glow plugs.

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The engine of my Toyota Highlander is rattling only when starting

If the engine of your Toyota Highlander generates a cold rattles, especially when starting and which fades fairly quickly afterwards, it is possible that your engine lubrication is to blame. In fact, the oil strainer (the part 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 viscous. If this is your case, after a few tens of seconds the engine that slams your Toyota Highlander should go back to normal functions because the lubrication of the engine will be done naturally, make sure to verify the condition of the engine.

Engine of my Toyota Highlander that rattles when cold because of too fluid oil

Another option which can explain an engine which cold rattling on your Toyota Highlander is that during an oil change the selection of oil was not perfect, in reality, engine oils differ on their viscosity, which we will contrast 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 picked, it is possible that when cold, the lubrication it allows is not adequate 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 Toyota Highlander, do not be reluctant to change it with the right oil.

Engine that rattles when cold on my Toyota Highlander 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 Toyota Highlander glow plugs that are defectives. In fact, a dead spark plug will trigger the connected cylinder not to heat up and will bring about a stronger rattles on an engine Toyota Highlander, so consider examining the state of your spark plugs independently using a multimeter, it may be that only one is concerned like all of them. Here, we have described to you, the main factors of an engine that cold slam on a car, do not be reluctant to browse our page specialized to your car to find more details on all the breakdowns associated with your motor vehicle.

If you wish more guides on the Toyota Highlander, go to our Toyota Highlander category.