Hyundai Azera: Compressor Oil Repair procedures
Fifth generation HG (2011–2025) / Hyundai Azera 2011-2025 Service Manual / Heating,Ventilation, Air Conditioning / Air Conditioning System / Compressor Oil Repair procedures
Fifth generation HG (2011–2025) / Hyundai Azera 2011-2025 Service Manual / Heating,Ventilation, Air Conditioning / Air Conditioning System / Compressor Oil Repair procedures
| Oil Specification |
| 1. |
The HFC-134a system requires synthetic (PAG) compressor oil
whereas the R-12 system requires mineral compressor oil. The two oils
must never be mixed. |
| 2. |
Compressor (PAG) oil 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 : 100 ± 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. |
Components and Components Location
Component Location Index
Engine Room
1. Receiver Drier2. Condenser3. Service Port (High Pressure)4. Service Port (Low Pressure)5. APT6. Compressor7. Expansion Valve
Interior
...
Refrigerant line Components and Components Location
Component Location
...
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Remove the ECM mirror cover (A).
2.
Disconnect the ECM mirror connector (B).
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1.
Disconnect the battery negative cable and wait for at least three minutes before beginning work.
2.
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