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)

Or, hide this message: temporarily or permanently

Piston Ring: Labor Times

Standard HoursManufacturer Warranty HoursSkill LevelNotes
Replace28.521.5A
NOTE
To Clean CAC Tube, Add0.20.1A
To Grind Values, Add
One Bank5.04.0A
Both Banks9.27.8A
With Dual Alternators, Add0.40.3A
To Renew Connecting Rod Bearings, Add
Each0.20.0A
To Renew Piston, Pin or Connecting Rod, Add
One0.20.0A
Each Additional0.10.0A