Piston Ring: Labor Times

	Standard Hours	Manufacturer Warranty Hours	Skill Level	Notes
Replace
One Cylinder	7.1	3.8	A	Includes: R&R Cylinder Head & Oil Pan, Hone Cylinder Walls And Plastigage Bearings.
All Cylinders	9.2	5.3	A	Includes: R&R Cylinder Head & Oil Pan, Hone Cylinder Walls And Plastigage Bearings.
Note
With AC, Add	0.4	0.2	A
To Grind Valves, Add	2.0	1.4	A
To Renew Piston, Pin or Connecting Rod, Add
One	0.2	0.0	A
Each Additional	0.1	0.0	A
All	0.5	0.0	A
To Renew Main Bearings, Add	3.5	0.0	A
To Renew Crankshaft, Add	3.5	0.0	A
To Renew Oil Pump, Add	0.7	0.0	A
To Clean Oil Pump Screen, Add	0.2	0.0	A
To Renew Rear Main Oil Seal, Add	1.5	0.0	A
To Renew Timing Belt, Add	0.8	0.0	A
To Perform Tune-Up, Add	0.5	0.0	A