Auxiliary Emission Control Systems: VOLVO: VOLVO: Maintenance

Complete system, including hoses, should be checked for deterioration, leakage, or clogging. Clean flame guard, PCV valve, oil filter cap, and nipple every 60, 000 miles. Replace components as necessary.

Fig 1: Crankcase Ventilation System (V6 Models)

Courtesy of VOLVO CARS CORPORATION