Drove the car today to warm the engine up before changing oil and as soon as I stopped the engine I heard loud clicking noise from under the hood. The clicking would periodically stop only to start again and this has been happening on and off for several minutes until I restarted the engine and stopped it again. Never happened before.
Anybody has any idea what this is? It sounded like a malfunctioning solenoid valve, but I could not even tell where exactly it was. The engine was pretty hot so I didn't try to touch anything to see if I can sense any vibration from anywhere. 2018 stock V60 polestar.