7B
During compressor operation, a rumbling noise is heard proportional to engine revolutions
There are various types of noise, ranging from those produced in the engine compartment to those from the passenger compartment, also from rumbling noises to whistling noises.
Abnormal Noise from Compressor
| Condition |
Possible Cause |
Action |
|---|
|
During compressor operation, a rumbling noise is heard proportional to engine revolutions
|
Inadequate clearance in piston area (piston or swash-plate)
|
Repair or replace compressor as necessary.
|