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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Valve Guide: Service and Repair

NOTE: Heat cylinder head to 300°F before removing or installing valve guides.

1. Drive valve guide out of bottom of cylinder head using a suitable tool.
2. Chill replacement guides in freezer for approximately one hour prior to installation.
3. Using suitable valve guide installation tool, drive valve guide into place until tool bottoms.