SYMPTOMS | CONDITION | POSSIBLE CAUSE | REMEDY |
Compressor Noisy | AC compressor internal noise | Bearing worn or damagedDefective cylinder/or shaft | Disassembly and replace defective parts. |
Magnetic Clutch Noisy. | Rattling noise when magnetic clutch is not engaged . | Bearing worn or damaged. | Replace bearing. |
Noise from piping | Piping not secured. | Piping vibrating .Pulsating noise resonates into body. | Secure piping. |
Noise from condenser | Condenser vibration prominent. | Condenser mounting stay resonating with body . | Secure by inserting rubber between stay and body. |
Noise produced by bracket. | Rattles when touched, continuous rattling heard when operating. | Bracket cracked or broken.Mounting bolts loose. | ReplaceRetighten bolts. |
Idler pulley noisy. | Clattering noise produced. Rattles when touched. | Bearing broken.Bracket Cracked or loose. | ReplaceReplace or retighten. |
Noisy crankshaft pulley. | Rattles. | Improperly installed. | Replace or retighten. |
Belt Noisy | Belt deflection excessiveBelt side surface wornBelt worn | Belt wornBelt center misalignedWorn belt causing belt slipping on pulleys and tensioner | Adjust tensionAlign centerReplace belt |
Noisy belt tensioner | Squealing belt and/or rumbling noise | Tensioner bearing or tensioner spring weak | Replace belt and tensioner |
Do you need assistance inspecting a noisy a/c compressor ?
Call today and schedule an appointment to have your auto a/c system inspected.