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
Add the Following Operations If Performed With Valves, Grind
Valve Guide, Knurl
One0.10.0A
Valve Guides, Renew
One0.20.0A
Note
To Ream Guide, Add0.10.0A
Camshafts, Rocker Arms and/or Hydraulic Lifters, Renew
One Side0.60.0A
Both Sides1.00.0A
Timing Belt and/or Drive Pulley, Renew1.10.0A
Tune-Up0.50.0A
All Cylinders11.88.6AIncludes: R&R Cylinder Head, R&R Valves, Springs & Retainers. Replace Valve Seals, Grind Valves & Seats.
Note
To Replace Timing Belt, Add0.80.5A
To Replace Camshafts & VTEC Rocker Arms, Add1.10.8A