PCV System: Maintenance

Clean valve and check PCV system operation every 30,000 miles.

Fig 1: Purge Valve (RX7 Rotary Engine) Air flow should be checked at port "C".

Fig 2: Crankcase Ventilation System (GLC & 626) Note direction of flow.

Fig 3: Crankcase Ventilation System (B2200 Pickup - Diesel)