Coming accross repeated noises on your car has a tendency to be unpleasant, a car is so elaborate that it is generally tricky to find its origin and even more problematic to find the part that triggers it. In case you too have previously came accross a cold engine noise on your Alfa Romeo Giulietta, we can clearly support you. In reality, our team made the decision to publish this document in order to analyze the main triggers of an engine that rattles when cold on your Alfa Romeo Giulietta. First we will check out engines that is rattling only when starting, then because of improper oil and finally because of glow plugs.


The engine of my Alfa Romeo Giulietta is rattling only when starting

If the engine of your Alfa Romeo Giulietta makes a cold rattles, specifically when starting and which ends rather quickly afterwards, it is possible that your engine lubrication is at fault. In reality, the oil strainer (the part 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 situation, after a few tens of seconds the engine that slams your Alfa Romeo Giulietta should return to normal functions because the lubrication of the engine will be done normally, make sure to verify the condition of the engine.

Engine of my Alfa Romeo Giulietta that rattles when cold because of too fluid oil

Another situation which can justify an engine which cold rattling on your Alfa Romeo Giulietta is that during an oil change the selection of oil was not perfect, in fact, 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 selected, it is possible that when cold, the lubrication it allows is not adequate 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 Alfa Romeo Giulietta, do not think twice to change it with the right oil.

Engine that rattles when cold on my Alfa Romeo Giulietta 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 Alfa Romeo Giulietta glow plugs that are defectives. In reality, a dead spark plug will trigger the linked cylinder not to heat up and will trigger a stronger rattles on an engine Alfa Romeo Giulietta, so think about testing the state of your spark plugs separately using a multimeter, it may be that only one is concerned like all of them. Here, we have explained to you, the main causes of an engine that cold slam on a car, do not think twice to read our page specialized to your car to find additional details on all the breakdowns associated with your vehicle.

If you want more guides on the Alfa Romeo Giulietta, go to our Alfa Romeo Giulietta category.