M35 V6-3.5L (VQ35HR) (2009)
Refrigerant Oil: Service and Repair
LUBRICANT
Maintenance of Lubricant Quantity in Compressor
The lubricant in the compressor circulates through the system with the refrigerant. Add lubricant to compressor when replacing any component or after
a large refrigerant leakage occurred. It is important to maintain the specified amount.
If lubricant quantity is not maintained properly, the following malfunctions may result:
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Lack of lubricant: May lead to a seized compressor.
-
Excessive lubricant: Inadequate cooling (thermal exchange interference)
LUBRICANT
Name : NISSAN A/C System Oil Type S
LUBRICANT RETURN OPERATION
Adjust the lubricant quantity according to the test group shown below.
1.CHECK LUBRICANT RETURN OPERATION
Can lubricant return operation be performed?
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A/C system works properly.
-
There is no evidence of a large amount of lubricant leakage.
CAUTION:
If excessive lubricant leakage is noted, never perform the lubricant return operation.
OK or NG
OK - GO TO 2.
NG - GO TO 3.
2.PERFORM LUBRICANT RETURN OPERATION, PROCEEDING AS FOLLOWS
1. Start the engine, and set to the following conditions:
- Engine speed: Idle - 1,200 rpm
- A/C switch: ON
- Fan speed: Maximum position
- Set temperature: Full hot
- Intake position: Recirculation (REC)
2. Perform lubricant return operation for approximately 10 minutes.
3. Stop the engine.
GO TO 3.
3.CHECK REPLACEMENT PART
Should the compressor be replaced?
YES - Go to "LUBRICANT ADJUSTING PROCEDURE FOR COMPRESSOR REPLACEMENT".
NO - Go to "LUBRICANT ADJUSTING PROCEDURE FOR COMPONENTS REPLACEMENT
EXCEPT COMPRESSOR".
LUBRICANT ADJUSTING PROCEDURE FOR COMPONENTS REPLACEMENT EXCEPT COMPRESSOR
Add the correct amount of lubricant to the system after replacing any of the following major components.
Amount of lubricant to be added: