PCV Valve
On Light Duty Emission models (up to 8500 lbs. GVW), check every 15,000 miles and replace every 30,000 miles. On Heavy Duty Emission models (over 8500 lbs. GVW), check every 12,000 miles and replace every 24,000 miles.
On Light Duty Emission models (up to 8500 lbs. GVW), check every 15,000 miles and replace every 30,000 miles. On Heavy Duty Emission models (over 8500 lbs. GVW), check every 12,000 miles and replace every 24,000 miles.