PROCEDURE
INSPECT PCV VALVE (VENTILATION VALVE SUB-ASSEMBLY)
Remove the 2 nuts and air hole cover from the intake manifold.
Install a clean hose to the check hole.
| *a | Check Hole |
| *b | Hose |
| *c | Air |
Blow air into the hose, and check that air passes through with difficulty.
| *a | Check Hole |
| *b | Hose |
| *c | Vacuum Pump |
Using a vacuum pump, apply vacuum to the check hole.
| OK |
|---|
| The vacuum is maintained at first. By gradually increasing the vacuum, air flows and the vacuum decreases after the vacuum reaches a certain level. |
Remove the hose from the check hole.
Install the air hole cover to the intake manifold with the 2 nuts.