See Figures 1, 2, 3, 4, 5 and 6
The PCV system should be inspected and the PCV valve replaced at 60,000 miles (96,000 km) and then every 40,000 miles (64,000 km) afterwards.
A Positive Crankcase Ventilation (PCV) system is used to prevent pollutants (blow-by gases) from being released into the atmosphere. The PCV system supplies fresh air to the crankcase through the air cleaner. The fresh air mixes with the gases and is passed through the PCV valve to the intake manifold; the gases are then reburned in the combustion process.
For more information on the Positive Crankcase Ventilation (PCV) system, please refer to Driveability & Emissions Controls in this repair guide.
REMOVAL & INSTALLATION
- Disconnect the hose from the PCV valve.
- Remove the valve from the grommet on the valve cover.
- Inspect the PCV valve and grommet. Inspect the hose for obstructions. Replace as necessary.
- The PCV valve may be tested by shaking. If a rattle is heard, the valve is operating properly.
- Connect the hose to the PCV valve.
- Insert the PCV valve into the grommet on the valve cover.