Crankcase Ventilation Systems: Maintenance

Once every 2 years or every 30, 000 miles, the positive crankcase ventilation system should be serviced. Perform this maintenance more frequently if vehicle is operated in dusty conditions.

Fig 1: Datsun Crankcase Ventilation System (Stanza Models)

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Note direction of flow. 

Fig 2: Datsun Crankcase Ventilation System (200SX Models)

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Note Direction of flow. 

Fig 3: Datsun Crankcase Ventilation System (210 Models)

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Fig 4: Datsun Crankcase Ventilation System (280ZX Turbo Models)

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Fig 5: Datsun Crankcase Ventilation System (Diesel Maxima Models)

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