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: Labor Times

Standard HoursManufacturer Warranty HoursSkill LevelNotes
Resurface/Grind
Left Bank9.86.8AIncludes: R&R Cylinder Head And Make All Necessary Adjustments.
Both Banks14.510.0AIncludes: R&R Cylinder Head And Make All Necessary Adjustments.
Right Bank9.45.8AIncludes: R&R Cylinder Head And Make All Necessary Adjustments.
NOTE
To Knurl Valve Guides, Add
One0.10.0A
To Renew Timing Chain and/ or Gears, Add1.60.0A
To Renew Hydraulic Valve Lifters, Add
Right Bank1.40.0A
Left Bank1.40.0A
Both Banks1.70.0A
To Perform Tune-Up, Add0.70.0A
To Renew Valve Guides, Add
One0.20.0A
To Renew Camshaft, Add4.20.0A
To Ream Guide, Add0.10.0A