LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Pontiac >> 1984 >> Grand Prix Base, 5.0 H, 200-4R/MW9 >> Repair and Diagnosis >> Engine Performance >> System >> PCV System - Gasoline >> Servicing >> PCV Valve
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

PCV Valve

For gasoline engines, remove PCV valve and inspect every 30,000 miles. For diesel engines, remove PCV valve and inspect every 15,000 miles. DO NOT  attempt to clean valve, replace it, if necessary.