So my windows started fogging up on my recently, my temp gauges are normal, I see no leaking inside the car anywhere, and the heat and AC work just fine. DO i need to replace my heater core or just have it flushed? Or is it something else entirely?
It should be noted that I have heard a bubbling/gurgling noise for over a year come from behind the dashboard when I turn on/off or at stop but not always consistently. This may or may not be related but you tell me. Thanks!