Coming accross frequent noises on your car will probably be annoying, a car is so sophisticated that it is generally challenging to find its source and even more difficult to find the component that triggers it. In case you too have already faced a cold engine noise on your Audi S3, we can certainly help you. Indeed, our team made the decision to write this article in order to inspect the main triggers of an engine that rattles when cold on your Audi S3. First we will look at engines that is rattling only when starting, then because of improper oil and finally because of glow plugs.
The engine of my Audi S3 is rattling only when starting
If the engine of your Audi S3 produces a cold rattles, specifically when starting and which fades rather quickly 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 damaged 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 Audi S3 should return to normal functions because the lubrication of the engine will be done naturally, make sure to check the condition of the engine.
Engine of my Audi S3 that rattles when cold because of too fluid oil
Another option which can justify an engine which cold rattling on your Audi S3 is that during an oil change the choice of oil was not perfect, indeed, 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 selected, 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 advised by the manufacturer, if your engine clicking is strong or if it persists on your Audi S3, do not be reluctant to change it with the right oil.
Engine that rattles when cold on my Audi S3 cause of the glow plugs
If you have a diesel engine, your engine is rattling when cold, and it has complication starting when it is cold, it may be your Audi S3 glow plugs that are nearly good to be changed. Indeed, a dead spark plug will trigger the linked cylinder not to heat up and will trigger a stronger rattles on an engine Audi S3, so take into account diagnosing 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 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 more details on all the breakdowns associated with your car.
To find more tips on the Audi S3, take a look at the Audi S3 category.
