Automobile air conditioning abnormal sound phenomenon (Daewoo car as an example) OBD2
Failure phenomenon for the lack of cooling, open the engine cover, run air conditioning and refrigeration systems, air conditioning compressor abnormal sound, and sometimes accompanied by significant vibration.Launch X431
cause of issue
The circuit connection is loose, causing the clutch 4 to be jammed
Clutch line is quiet Launch X431 V 8
Clutch clearance is too large
The belt is loose
One of the two belts is broken at the same time
The compressor base is loose or worn Launch X431 V8
The compressor bracket is loose or
Compressor bearing is damaged
Tension wheel is damaged or lack of oil
Excessive refrigerant, causing liquid blow
Frozen oil too much, causing liquid hit
Compressor inside the internal (usually valve damage)
Maintenance method
Connect the circuit as required
Replace the clutch coil
Adjust the gap to 0.4 ~ 0.8mm Reactor bearing damage Replace the clutch bearing
Tension belt
Replace two belts
Tighten the compressor base or replace the base
Fasten or replace the compressor bracket
Replace the compressor alone
Replace the tension wheel assembly or bearing
Emissions or recycling of refrigerants or refilling
Release the frozen oil
Repair or replace the compressor.