Facing constant noises on your car tends to be unpleasant, a automobile is so complicated that it is generally challenging to determine its source and even more hard to find the part that motives it. In case you too have previously came accross a cold engine noise on your Volkswagen Passat 7, we can clearly help you. In fact, we chose to produce this content page in order to analyze the main motives of an engine that rattles when cold on your Volkswagen Passat 7. First we will look at engines that is rattling only when turned on, then because of unsuitable oil and finally because of glow plugs.

engine-rattling-cold-volkswagen-passat-7

The engine of my Volkswagen Passat 7 is rattling only when starting

If the engine of your Volkswagen Passat 7 generates a cold rattles, specifically when starting and which fades fairly quickly afterwards, it is possible that your engine lubrication is at fault. 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 some time to make the oil rise when it is still very thick. If this is your case, after a few tens of seconds the engine that slams your Volkswagen Passat 7 should return to normal performance because the lubrication of the engine will be done normally, be sure you check the condition of the engine.

Engine of my Volkswagen Passat 7 that rattles when cold because of too fluid oil

Another possibility which can explain an engine which cold rattling on your Volkswagen Passat 7 is that during an oil change the choice of oil was not ideal, in reality, engine oils differ on their viscosity, which we will compare 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 Volkswagen Passat 7, do not hesitate to change it with the right oil.

Engine that rattles when cold on my Volkswagen Passat 7 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 Volkswagen Passat 7 glow plugs that are defectives. In fact, a dead spark plug will cause the connected cylinder not to heat up and will trigger a stronger rattles on an engine Volkswagen Passat 7, so take into account testing the state of your spark plugs separately 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 hesitate to browse our page dedicated to your car to find extra details on all the breakdowns associated with your vehicle.

If you wish more guides on the Volkswagen Passat 7, go to our Volkswagen Passat 7 category.