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
Replace
NOTE
To Replace Cylinder Heads, Add2.71.9A
To Grind Valves, Add
One CYL0.70.4A
All Cyls3.22.3A
To Renew Piston, Pin or Connecting Rod, Add
One0.20.0A
Each Additional0.10.0A
All0.50.0A
To Renew Main Bearings, Add
One3.30.0A
All3.40.0A
To Renew Oil Pump, Add1.70.0A
To Clean Oil Pump Screen, Add0.20.0A
To Renew Rear Main Oil Seal, Add1.10.0A
To Renew Timing Belt, Add0.90.0A
Tune-Up, Add0.50.0A
One CYL8.84.8AIncludes: Replace Connecting Rod Bearings & Hone Cylinder Walls.
All Cyls9.75.9AIncludes: Replace Connecting Rod Bearings & Hone Cylinder Walls.