October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

Ventilation Valve

Remove PCV valve and attach a clean piece of hose to cylinder head end of valve. Blow through valve with mouth pressure; air should pass through. Move clean hose to intake manifold end of valve and again blow through valve; air should pass through with difficulty. Replace valve if defective.