Kia Rio: Compressor Oil Specification - Air Conditioning System - Heating,Ventilation, Air Conditioning - Kia Rio UB 2012-2019 Service ManualKia Rio: Compressor Oil Specification

1.
The HFC-134a system requires synthetic compressor oil (PAG) whereas the R-12 system requires mineral compressor oil. The two oils must never be mixed.
2.
Compressor oil (PAG) varies according to compressor model. Be sure to use oil specified for the model of compressor.
Handling of Oil
1.
The oil should be free from moisture, dust, metal powder, etc.
2.
Do not mix with other oil.
3.
The water content in the oil increases when exposed to the air. After use, seal oil from air immediately. (HFC-134a compressor oil absorbs moisture very easily.)
4.
The compressor oil must be stored in steel containers, not in plastic containers.
Compressor Oil Check
The oil used to lubricate the compressor is circulating with the refrigerant.
Whenever replacing any component of the system or a large amount of gas leakage occurs, add oil to maintain the original amount of oil.

Oil total volume in system
PAG OIL : 120 ± 10 cc

Oil Return Operation
There is close affinity between the oil and the refrigerant.
During normal operation, part of the oil recirculation with the refrigerant in the system. When checking the amount of oil in the system, or replacing any component of the system, the compressor must be run in advance for oil return operation. The procedure is as follows :
1.
Open all the doors and the engine hood.
2.
Start the engine and air conditioning switch to "ON" and set the blower motor control knob at its highest position.
3.
Run the compressor for more than 20 minutes between 800 and 1,000 rpm in order to operate the system.
4.
Stop the engine.
Interior
1. Auto Defogging Sensor 2. Photo Sensor 3. Heater & A/C controller (MANUAL) 4. Heater & A/C controller (FATC) 5. In-car Sensor 6. Heater & Blower Unit 7. ...

Refrigerant line Replacement
1. Discharge refrigerant from refrigeration system. 2. Replace faulty tube or hose.    ...

See also:

Alternator: Removal and installation
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Component Location
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The climate control air filter is located in the bower unit. It eliminates foreign materials and odor. The particle filter performs a role as an odor filter as well as a conventional dust fil ...

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