Piston Ring: Labor Times

	Standard Hours	Manufacturer Warranty Hours	Skill Level	Notes
Replace
All	12.7	8.9	A	Includes: Replace Connecting Rod Bearings & Hone Cylinder Walls.
One Cylinder
Front Bank	8.0	5.8	A	Includes: Replace Connecting Rod Bearings & Hone Cylinder Walls.
Rear Bank	8.8	6.0	A	Includes: Replace Connecting Rod Bearings & Hone Cylinder Walls.
Both Bank	9.8	6.8	A	Includes: Replace Connecting Rod Bearings & Hone Cylinder Walls.
Note
With AC, Add	0.4	0.2	A
To Remove Cylinder Wall Ridge, Add
One Cylinder	0.2	0.1	A
All Cylinders	0.5	0.3	A
To Grind Valves, Add
All Cylinders	3.1	2.2	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	1.2	0.0	A
To Renew Crankshaft, Add	3.6	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 Timing Belt, Add	1.0	0.0	A