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:

Meters and gauges
Type A (if so equipped) 1. Tachometer 2. Speedometer 3. Fuel gauge 4. Odometer Twin trip odometer Trip computer 5. Continuously Variable Transmission (CVT) position indicator (if so equipped) Automatic Transmission (A/T) position indicator (if so equipped) 6. Instrument brightness con ...

Oil cooler
Exploded View 1. Radiator hose (upper) 2. Hose clamp 3. Radiator hose (lower) 4. Hose clamp 5. Water hose 6. Oil cooler 7. Connector bolt 8. Water hose 9. Oring A. To radiator (upper side) B. To radiator (lower side) 10. Relief valve Removal and Installation REMOVAL NOTE: When removing co ...

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