Manuals through 2025 now available!
Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.
LEMON is the spiritual successor to CHARM, I recommend you try it!
Link:
lemon-manuals.la or
lemon-manuals.org.ua
(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)
Or, hide this message:
temporarily or
permanently
Positive Crankcase Ventilation: Testing and Inspection
Checking PCV Valve:
1.
Warm engine to operating temperature and run at
idle speed.
2.
Disconnect valve, with hose attached, from cylinder head cover.
3.
Block valve opening and ensure that vacuum is felt.
4.
Remove valve and blow through from both directions. Verify that air flows through in one direction only (toward intake manifold).
5.
Replace valve if necessary.
