Piston Ring: Labor Times

	Standard Hours	Manufacturer Warranty Hours	Skill Level	Notes
Replace
All Cylinder	12.7	9.1	A	Includes: R&R Cylinder Head & Oil Pan, Hone Cylinder Walls And Plastigage Bearings.
One Cylinder	6.6	4.5	A	Includes: R&R Cylinder Head & Oil Pan, Hone Cylinder Walls And Plastigage Bearings.
Note
With AC, Add	0.4	0.2	A
With 4WD, Add	3.0	1.1	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
One	1.1	0.0	A
All	1.7	0.0	A
With 100 Amp Alternator, Add	0.9	0.6	A
To Renew Crankshaft, Add	4.0	0.0	A
To Renew Oil Pump, Add	1.0	0.0	A
To Clean Oil Pump Screen, Add	0.2	0.0	A
To Renew Rear Main Oil Seal, Add	0.7	0.0	A
To Renew Timing Chain, Add	1.2	0.0	A
To Perform Tune-Up, Add	0.4	0.0	A