Geely CK Series 2007 Workshop Manual page 323

Problem Symptom
×
×
×
×
×
×
× × ×
×
×
×
× ×
316
× × ×
× × ×
×
×
× ×
×
Possible Cause
Dirt in the evaporator core, or
poor fit between the
expansion valve sensing unit
and evaporator outlet
Non-evaporated refrigerant
×
steam enters into compressor
expansion valve opening is
excessively big or faulty,
refrigerant supply is
excessive
Expansion valve opening is
×
too small
Expansion valve fault, spinal
corrosion or leakage
The refrigerant pipeline
between the expansion valve
× sensing unit and the
expansion valve is damaged or
broken
Expansion valve blocked by
×
ice or dirt
Refrigerant pipeline blocked
Compressor solenoid clutch,
bearing and pulley wear
Compressor reed is damaged,
×
exhaust valve leaks
Compressor inlet blocked
× Drive belt loose or broken
Excessively low temperature
in the vehicle compartments
× System pipeline leaks
Troubleshooting
Check and correct it
Service the evaporator and its
components such as fan
Adjust the expansion valve,
check the sensing unit and the
evaporator outlet for fitness,
replace it as necessary
Adjust expansion valve
Replace expansion valve
Check and replace the
expansion valve and pipeline
Recycle the refrigerant,
remove and clean the
expansion valve, use the
vacuum pump to drain the
water in the system and then
refill the refrigerant
Disassemble and check the
part
Check and replace concerned
worn parts
Check and replace the
compressor
Check and clean
Replace or replace it
Adjust the selection switch
Check the leak area, refill
proper amount of refrigerant