Operation CHARM: Car repair manuals for everyone.
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)

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PCV Valve Hose: Testing and Inspection

PCV HOSE ASSEMBLY

INSPECTION

1. DIAGNOSIS CONNECTOR
1. Check that the diagnosis connector has no deformation, cracks and any other damage.
2. Check the resistance between the diagnosis connector terminals.






2. OTHER INSPECTIONS
1. Check that the PCV connector has no deformation, cracks or other damages.
2. Check that the hose has no cracks, damage or loose part.