Positive Crankcase Ventilation System Check
- Remove the positive crankcase ventilation (PCV) valve from the rocker cover, then reconnect the PCV valve to the vacuum supply hose.
- With the engine idling, put your finger on the open end of the PCV valve, and check for negative pressure (vacuum).NOTE: At this time, the plunger in the PCV valve should move back and forth as the open end is covered and uncovered.
- If negative pressure is not felt, clean or replace the PCV valve. Inspect the vacuum supply hose and vacuum supply hose port for restriction or plugged condition.
- Apply a small mount of new engine oil to the O-ring on the PCV valve. <3.8L ENGINE>
- Tighten the PCV valve to the specified torque.
Tightening torque:
10 ± 2 N.m (88.5 ± 17.7 in-lb) <2.4L ENGINE>
2.45 ± 0.49 N.m (21.7 ± 4.3 in-lb) <3.8L ENGINE>