Piston Ring: Labor Times

	Standard Hours	Manufacturer Warranty Hours	Skill Level	Notes
Replace
One Cylinder
Front Bank	6.6	4.6	A	Includes: R&I Cylinder Head & Oil Pan, Hone Cylinder Walls And Plastigage Bearings.
Rear Bank	7.3	5.0	A	Includes: R&I Cylinder Head & Oil Pan, Hone Cylinder Walls And Plastigage Bearings.
Both Banks	9.4	6.5	A	Includes: R&I Cylinder Head & Oil Pan, Hone Cylinder Walls And Plastigage Bearings.
All Cylinders	13.0	9.0	A	Includes: R&I Cylinder Head & Oil Pan, Hone Cylinder Walls And Plastigage Bearings.
Note
With AC, Add	0.7	0.4	A
With PS, Add	0.4	0.2	A
To Grind Valves, Add	3.2	2.3	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	0.7	0.0	A
To Renew Oil Pump, Add	1.4	0.0	A
To Renew Timing Chain, Add	1.3	0.0	A
Tune-Up, Add	0.7	0.0	A
To Clean Oil Pump Screen, Add	0.2	0.0	A