Piston Ring: Labor Times

	Standard Hours	Manufacturer Warranty Hours	Skill Level	Notes
Replace
One Cylinder	8.0	5.5	A	Includes: Replace Connecting Rod Bearings & Hone Cylinder Walls.
All Cylinders	8.8	6.6	A	Includes: Replace Connecting Rod Bearings & Hone Cylinder Walls.
Note
Cylinder Wall Ridge Remove, Add
One Cylinder	0.2	0.1	A
All Cylinders	0.5	0.3	A
To Grind Valves, Add
All Cylinders	3.8	2.7	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	3.6	0.0	A
To Renew Crankshaft, Add	3.7	0.0	A
To Renew Oil Pump, Add	1.6	0.0	A
To Clean Oil Pump Screen, Add	0.2	0.0	A
To Renew Rear Main Oil Seal, Add	2.6	0.0	A
To Renew Timing Belt, Add	1.0	0.0	A
To Perform Tune-Up, Add	0.5	0.0	A