AC Clicking Noise in Car: Causes, Tests, and Repairs
An A/C clicking noise in a car usually comes from an HVAC door actuator behind the dashboard, debris in the blower fan, an electrical relay, compressor cycling, or a worn compressor-related component. One brief click when the compressor engages can be normal, but repeated clicking, poor cooling, burning smells, belt noise, or metallic clattering requires […]