Nissan Versa (N17): Positive crankcase ventilation

Nissan Versa 2nd generation (N17) Service Manual / Engine / Engine control system (EC) / Positive crankcase ventilation

Inspection

1.CHECK PCV VALVE

With engine running at idle, remove PCV valve from rocker cover. A properly working valve makes a hissing noise as air passes through it. A strong vacuum should be felt immediately when a finger is placed over valve inlet.

Is the inspection result normal?

YES >> INSPECTION END

NO >> Replace PCV valve. Refer to EM, "Exploded View".

CHECK PCV VALVE

EVAP leak check

Inspection CAUTION: Do not use compressed air or a high pressure pump. Do not exceed 4.12 kPa (0.042 kg/cm2, 0.6 psi) of pressure in EVAP system. NOTE: Do not start engine. Improp ...

Removal and installation

ECM Exploded View 1. ECM bracket 2. ECM  : Vehicle front Removal and Installation CAUTION: Perform ADDITIONAL SERVICE WHEN REPLACING ECM. Refer to EC-122, "Work Procedure". ...

Other materials:

Drive belt idler pulley
Exploded View 1. Generator bracket 2. Center shaft 3. Spacer 4. Adjusting bolt 5. Washer 6. Idler pulley 7. Plate Removal and Installation REMOVAL Remove the fender protector (RH). Remove the air duct inlet assembly. Remove drive belt. Remove the lock nut, and then remove the pl ...

Oil pan
Exploded View 1. Transaxle assembly 2. Oil pan gasket 3. Magnet 4. Oil pan 5. Overflow tube 6. Drain plug gasket 7. Drain plug 8. Oil pan fitting bolt Removal and Installation REMOVAL Remove the drain plug and overflow tube, and then drain the ATF. WARNING: A/T fluid can splash ...

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