air conditioning system of automobile maintenance (Dieselpartsworld) 2016-02-28    

air conditioning system of automobile maintenance of air conditioning system of automobile maintenance
Fault form:
After the outlet temperature is low, but not very low.
The fault may exist:
When the refrigerant in the system too much
It is not only the cooling condenser refrigerant expansion valve is not closed
After the air into the refrigeration system, the higher the worse effect of low pressure indicator
Repair method of fault:
This vacuum, the correct amount of refrigerant
-- check the condenser fins is dirty / damage / plugging] replace the expansion valve (section temperature control, first check the temperature sensor installation and work! I check the condenser fan is working properly (fuses, relays, wires, motors, whether free)