Symptom |
Condition |
Possible Cause |
Remedy |
Compressor noisy. |
Noise from inside compressor. |
鈥� Bearing worn or damaged. 鈥� Defective cylinder and/or shaft. |
Disassemble 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. |
鈥� Bracket cracked or broken. 鈥� Mounting bolts loose. |
鈥� Replace. 鈥� Retighten bolts. |
Idler pulley noisy. |
鈥� Clattering noise produced. 鈥� Rattles when touched. |
鈥� Bearing broken. 鈥� Bracket cracked or loose. |
鈥� Replace. 鈥� Replace or retighten. |
Noisy crankshaft pulley. |
Rattles. |
Improperly installed. |
Replace or retighten. |
Belt noisy |
鈥� Belt deflection excessive 鈥� Belt side surface worn 鈥� Belt worn |
鈥� Belt worn 鈥� Belt center misaligned 鈥� Worn belt causing belt slipping on pulleys and tensioner |
鈥� Adjust tension 鈥� Align center 鈥� Replace belt |
Noisy belt tensioner |
Squealing belt and/or rumbling noise |
Tensioner bearing or tensioner spring weak |
Replace belt and tensioner |
