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2. Abnormal noise
Increase tightening torque
of the loose bolts
Mount compressor
correctly
Replace the compressor
Compressor installation
bolt is loose
Wide gap at the attaching
portion between the
compressor and the engine
mounting points
Compressor body internal
component damage
Abnormal vibration after
turning on the A/C switch
Abnormal noise from the
compressor body
A. Abnormal
noise from the
compressor
Issue
Symptom
Potential cause
Counter measure
Replace the magnetic
clutch
Replace magnetic clutch
Check the voltage of
battery or replace magnetic
clutch
Magnetic clutch damage
Air gap too wide
Magnetic clutch friction,
slippery surface
The magnetic clutch has a
backlash and slips
Strange noise when the
magnetic clutch engages
Armature slips does not
engage when the
compressor is running
B. Abnormal
noise from the
magnetic clutch
Replace the compressor if
locked. Adjust the belt
tension if the belt is loose
Belt slipping
Armature does not rotate
when magnetic clutch
engages
C. Belt slipping
noise
4 - TROUBLESHOOTING
