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
All Cylinders11.70.0AIncludes: R&R Cylinder Heads, Clean Carbon And Make All Necessary Adjustments.
NOTE
With AC, Add0.70.0A
Add the Following Operations If Performed With Valves, Grind
Valve Guide, Knurl
Each0.10.0A
Valve Guides, Renew
Each0.20.0A
NOTE
To Ream Guide, Add0.10.0A
Rocker Arms, Renew
One CYL
Right Bank1.00.0A
Left Bank0.90.0A
Both Banks1.60.0A
Timing Chain, Renew2.80.0A
Valve Lifters, Renew
One CYL
Right Bank2.10.0A
Left Bank1.90.0A
Both Banks2.80.0A
Camshaft, Renew3.80.0A