Abnormal Noise from Tubing
ABNORMAL NOISE SYMPTOM DIAGNOSIS OF A/C SYSTEM - TUBING
| Condition | Possible Cause | Action |
|---|---|---|
| A droning noise is heard from inside of the vehicle, but not particularly noticeable in engine compartment | Faulty tubing clamps | Reposition clamps or increase the number of clamps . |
| Resonance caused by pulsation from variations in refrigerant pressure | Attach a silencer to tubing, or modify its position and length . |