Coming accross frequent noises on your car has a tendency to be annoying, a automobile is so complex that it is most of the time tricky to discover its source and even more complicated to find the part that motives it. In case you too have already faced a cold engine noise on your Scion tC, we can certainly help you. In fact, our team made the decision to compose this document to be able to analyze the main motives of an engine that rattles when cold on your Scion tC. First we will look at engines that is rattling only when turned on, then because of improper oil and finally because of glow plugs.

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The engine of my Scion tC is rattling only when starting

If the engine of your Scion tC makes a cold rattles, specifically when starting and which ends rather 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 damaged 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 Scion tC should go back to normal functions because the lubrication of the engine will be done naturally, make sure to examine the condition of the engine.

Engine of my Scion tC that rattles when cold because of too fluid oil

Another situation which can explain an engine which cold rattling on your Scion tC is that during an oil change the choice of oil was not perfect, 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 enough 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 Scion tC, do not be reluctant to swap it with the right oil.

Engine that rattles when cold on my Scion tC 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 Scion tC glow plugs that are at the end of their life. In fact, a dead spark plug will cause the attached cylinder not to heat up and will provoke a stronger rattles on an engine Scion tC, so think about 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 reasons of an engine that cold slam on a car, do not be reluctant to read our page specialized to your car to find more info on all the breakdowns linked to your motor vehicle.

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