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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Piston Ring: Labor Times

Standard HoursManufacturer Warranty HoursSkill LevelNotes
Replace
NOTE
With AC, Add0.70.4A
With PS, Add0.40.2A
To R&R Main Bearings, Add0.70.0A
To Grind Valves, Add3.22.3A
To R&R Oil Pump, Add0.30.0A
To R&R Piston, Pin or Connecting Rod, Add
One0.20.0A
Each Additional0.10.0A
All0.70.0A
To Clean Oil Pump Screen, Add0.20.0A
To R&R Timing Chain, Add3.20.0A
To R&R Spark Plugs, Add0.50.0A
One CYL
Front Bank6.64.6AIncludes: R&I Cylinder Head & Oil Pan, Hone Cylinder Walls And Plastigage Bearings.
Rear Bank7.35.0AIncludes: R&I Cylinder Head & Oil Pan, Hone Cylinder Walls And Plastigage Bearings.
Both Banks9.46.5AIncludes: R&I Cylinder Head & Oil Pan, Hone Cylinder Walls And Plastigage Bearings.
All Cyls13.09.0AIncludes: R&I Cylinder Head & Oil Pan, Hone Cylinder Walls And Plastigage Bearings.