Facing regular noises on your car has a tendency to be unpleasant, a car is so sophisticated that it is generally difficult to determine its source and even more difficult to find the component that motives it. In the event you too have already faced a cold engine noise on your Audi A8, we can definitely help you. In fact, our team made the decision to write this document to be able to inspect the main motives of an engine that rattles when cold on your Audi A8. First we will check out engines that is rattling only when starting, then because of unsuitable oil and finally because of glow plugs.


The engine of my Audi A8 is rattling only when starting

If the engine of your Audi A8 produces a cold rattles, specifically when starting and which fades rather quickly afterwards, it is possible that your engine lubrication is responsible. In fact, the oil strainer (the component 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 viscous. If this is your case, after a few tens of seconds the engine that slams your Audi A8 should return to normal operation because the lubrication of the engine will be done normally, make sure verify the condition of the engine.

Engine of my Audi A8 that rattles when cold because of too fluid oil

Another situation which can explain an engine which cold rattling on your Audi A8 is that during an oil change the choice of oil was not ideal, 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 chosen, it is possible that when cold, the lubrication it allows is not sufficient 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 Audi A8, do not think twice to change it with the right oil.

Engine that rattles when cold on my Audi A8 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 Audi A8 glow plugs that are defectives. In fact, a dead spark plug will trigger the connected cylinder not to heat up and will cause a stronger rattles on an engine Audi A8, so consider trying out 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 listed to you, the main causes of an engine that cold slam on a car, do not think twice to have a look at our page specialized to your car to find additional info on all the breakdowns related to your automobile.

To get more tips on the Audi A8, take a look at the Audi A8 category.