• In addition to the noise, a refrigerant leak can lead to decreased cooling efficiency and potential damage to the compressor. 3. Rattling: • Rattling noises at startup or shutdown are commonly associated with loose components within the air conditioner. • Loose fan blades, screws, or...
Tags: ac diagnostics ac noise air conditioner air conditioning compressor noise Preeeus Member Joined: Aug 14, 2014 255 59 0 Vehicle: 2010 Prius Model: IV When the AC is turned on, it makes a loud noise. Turning off the AC causes the noise to stop. Toyota diagnosed the sound as a...