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:

Valve oil seal
VALVE OIL SEAL : Removal and Installation REMOVAL Remove camshafts. Remove valve lifters. Rotate crankshaft, and set piston with valve oil seal to be removed to TDC. This will prevent the valve from dropping into cylinder. CAUTION: When rotating crankshaft, be careful to avoid ...

Hood lock
HOOD LOCK : Removal and Installation REMOVAL 1. Remove hood lock assembly bolts and hood lock assembly. 2. Disconnect hood lock control cable assembly (2) from hood lock assembly (1). INSTALLATION Installation is in the reverse order of removal. CAUTION: Be careful not to bend the cable ...

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