7B
A loud rattle is heard at low engine rpm
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
A loud rattle is heard at low engine rpm
Loose compressor clutch plate bolt
Retighten clutch plate bolt. Replace compressor if it was operated in this condition for a long time.