CHECKING AND ADJUSTING Nissan Altima L31

CHECKING AND ADJUSTING

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 Yes: GO TO 2. No: GO TO 3 .
2. PERFORM LUBRICANT RETURN OPERATION, PROCEEDING AS FOLLOWS Start engine, and set the following conditions: Test condition Engine speed: Idling to 1,200 rpm A/C switch: ON Blower speed: Max. position Temp. control: Optional [Set so that intake air temperature is 25 to 30°C (77 to 86°F).] Intake position: Recirculation (REC) Perform lubricant return operation for about 10 minutes. Stop engine. CAUTION: If excessive lubricant leakage is noted, do not perform the lubricant return operation. : GO TO 3.
3. CHECK COMPRESSOR Should the compressor be replaced? Yes or No Yes: GO TO «LUBRICANT ADJUSTMENT PROCEDURE FOR COMPRESSOR REPLACEMENT»(ref-206580-S10893574602005112500000) . 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 Yes: GO TO «LUBRICANT ADJUSTING PROCEDURE FOR COMPONENTS REPLACEMENT EXCEPT COMPRESSOR»(ref-206580-S10893574602005112500000) . No: Carry out the A/C performance test.