July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Crankcase Ventilation Systems: Maintenance

Approximately every 12, 000 miles, the crankcase ventilation system hoses and oil separator should be inspected and cleaned.

NOTE: When hoses are replaced, orifices must be inserted into new hoses.

Fig 1: Renault 18i Crankcase Ventilation

Courtesy of AMERICAN MOTORS/RENAULT CORP.