Piston Ring: Labor Times

	Standard Hours	Manufacturer Warranty Hours	Skill Level	Notes
Replace
One Cylinder, Both Banks	12.6	8.0	A	Includes: R&I Cylinder Head & Oil Pan, Hone Cylinder Walls And Plastigage Bearings.
All Cylinders	17.5	9.5	A	Includes: R&I Cylinder Head & Oil Pan, Hone Cylinder Walls And Plastigage Bearings.
One Cylinder	11.9	6.3	A	Includes: R&I Cylinder Head & Oil Pan, Hone Cylinder Walls And Plastigage Bearings.
NOTE
With AC, Add	0.2	0.0	A
To Grind Valves, Add	3.5	2.5	A
To Renew Piston, Pin or Connecting Rod, Add
One	0.2	0.0	A
Each Additional	0.1	0.0	A
All	0.7	0.0	A
To Clean Oil Pump Screen, Add	0.2	0.0	A
To Renew Main Bearings, Add Add	2.0	0.0	A
To Renew Timing Chain and/ or Gears, Add	3.7	0.0	A
To Renew Rear Main Oil Seal, Add	2.2	0.0	A
To Renew Oil Pump, Add	1.2	0.0	A