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

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Valve: Labor Times

Standard HoursManufacturer Warranty HoursSkill LevelNotes
Replace
Head Removed
One Head1.30.6A
Both Heads2.21.2A
Resurface/Grind
All Valves12.80.0AIncludes: R&R Cylinder Heads, Clean Carbon And Make All Necessary Adjustments.
Note
With AC, Add0.80.5A
Add the Following Operations If Performed With Valves, Grind
Valve Guides, Knurl
Each0.10.0AAdd The Following Operations If Performed Along With Valves, Grind.
Lifters, Renew2.60.0AAdd The Following Operations If Performed Along With Valves, Grind.
Valve Guides, Replace
Each0.20.0AAdd The Following Operations If Performed Along With Valves, Grind.
Note
To Ream Guide, Add0.10.0AAdd The Following Operations If Performed Along With Valves, Grind.
Camshaft, Renew4.00.0AAdd The Following Operations If Performed Along With Valves, Grind.
Timing Chain or Gears, Renew2.30.0AAdd The Following Operations If Performed Along With Valves, Grind.
Rocker Arm Shaft, Overhaul
Each Shaft0.50.0AAdd The Following Operations If Performed Along With Valves, Grind.