EX35 AWD V6-3.5L (VQ35HR) (2009)
Refrigerant Oil: Service and Repair
Maintenance of Lubricant Quantity
LUBRICANT
Maintenance of Lubricant Quantity
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.
The following malfunctions may result if lubricant quantity is not maintained normally:
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Lack of lubricant: May lead to a seized compressor.
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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 normally.
-
There is no evidence of a large amount of lubricant leakage.
CAUTION:
Never perform the lubricant return operation if a large amount of leakage of lubricant is detected.
Is it successful?
YES - GO TO 2.
NO - GO TO 3.
2.PERFORM LUBRICANT RETURN OPERATION
1. Start the engine, and run it as following:
- Engine speed: Idling to 1,200 rpm
- A/C switch: ON
- Blower speed: Max. 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 - Refer to See: Lubricant Adjusting Procedure For Compressor Replacement.
NO - Refer to See: Lubricant Adjusting Procedure For Components Replacement Except Compressor.