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
All Cylinders8.86.3AIncludes: R&R Cylinder Head, Oil Pan & Plastigauge Bearings.
Note
With AC, Add0.50.3A
To Replace Rod Bearings, Add0.80.5A
To Replace Main Bearings, Add1.51.1A
To Grind Valves & Seats, Add4.53.2A
To Replace Piston and/or Pin, Add
One or All0.80.5A
To Replace Cylinder Head, Add
Bare Assembly2.21.6A
Complete Assembly0.80.5A
To Replace Camshaft and/or
Rocker Arms, Renew1.10.8A
Add Following Operations If Performed With Piston & Ring Jobs
Crankshaft, Renew4.30.0A
Timing Belt, Balancer Belt and/Ordrive Pulley, Renew1.00.0A
Oil Pump, Renew2.30.0A
Tune-Up0.50.0A