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Home >> Nissan-Datsun >> 2003 >> Sentra SE-R, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1217 (Manual Air Conditioner System) >> Lubricant >> Maintenance of Lubricant Quantity in Compressor >> Checking And Adjusting >> Notes

Checking And Adjusting: Notes

WARNING: This page is about a different car, the 2004 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.

Adjust the lubricant quantity according to the test group shown below.

  1. LUBRICANT RETURN OPERATION 

    Can lubricant return operation be performed?

    • A/C system works properly.
    • There is no evidence of a large amount of lubricant leakage.

    Yes or No 

    1. Yes: GO TO 2.
    2. No: GO TO  3.
  2. PERFORM LUBRICANT RETURN OPERATION 
    1. Start engine, and set the following conditions:
      • Test condition 

        Engine speed: Idling to 1, 200 RPM 

        A/C switch: ON 

        Blower speed: Max. position 

    2. PERFORM LUBRICANT RETURN OPERATION for about 10 minutes.
    3. Stop engine.
    CAUTION: If excessive lubricant leakage is noted, do not perform the lubricant return operation.
    1. : GO TO 3.
  3. CHECK COMPRESSOR 

    Should the compressor be replaced?

    Yes or No 

    1. Yes: GO to "REMOVAL AND INSTALLATION ".
    2. No: GO TO 4.
  4. CHECK ANY PART 

    Is there any part to be replaced? (Evaporator, condenser, liquid tank or in case there is evidence of a large amount of lubricant leakage.)

    Yes or No 

    1. Yes: GO to "LUBRICANT ADJUSTING PROCEDURE FOR COMPONENTS REPLACEMENT EXCEPT COMPRESSOR ".
    2. No: Carry out the A/C performance test.