Piston Ring: Labor Times

	Standard Hours	Manufacturer Warranty Hours	Skill Level	Notes
Replace
One Cylinder	8.8	6.1	A	Includes: R&I Cylinder Head & Oil Pan, Hone Cylinder Walls And Plastigage Bearings.
All Cylinders	13.7	9.9	A	Includes: R&I Cylinder Head & Oil Pan, Hone Cylinder Walls And Plastigage Bearings.
Note
With AC, Add	0.7	0.4	A
With Skid Plate, Add	0.5	0.3	A
To Grind Valves, Add	3.4	2.4	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 Renew Main Bearings, Add	1.7	0.0	A
To Renew Oil Pump, Add	0.4	0.3	A
To Clean Oil Pump Screen, Add	0.2	0.0	A
To R&R Timing Chain, Add	1.0	0.0	A
To R&R Spark Plugs, Add	0.7	0.0	A
To Renew Rear Main Oil Seal, Add	1.5	0.0	A
Tune-Up, Add	0.7	0.0	A