Positive Crankcase Ventilation

CRANKCASE PRESSURE/VACUUM

At 4,000 rpm (No Load) - Coolant Temperature 90°C (195°F):
Standard:
Positive 1.0 kPa (4.0 in H2O max)
Negative 3.0 kPa (12.0 in H2O max)

Service Limit:
Positive 2.5 kPa (10.0 in H2O max)
Negative 3.5 kPa (14.0 in H2O max)