Piston Ring: Labor Times

	Standard Hours	Manufacturer Warranty Hours	Skill Level	Notes
Replace
One Cylinder
Right Bank	9.5	6.3	A	Includes: Remove Cylinder Top Ridge, Deglaze Cylinder Walls And Clean Carbon.
Left Bank	9.2	6.2	A	Includes: Remove Cylinder Top Ridge, Deglaze Cylinder Walls And Clean Carbon.
Both Banks	12.7	9.1	A	Includes: Remove Cylinder Top Ridge, Deglaze Cylinder Walls And Clean Carbon.
Each Additional	0.7	0.4	A	Includes: Remove Cylinder Top Ridge, Deglaze Cylinder Walls And Clean Carbon.
All Cylinders
Right Bank	9.8	7.1	A	Includes: Remove Cylinder Top Ridge, Deglaze Cylinder Walls And Clean Carbon.
Left Bank	9.8	7.0	A	Includes: Remove Cylinder Top Ridge, Deglaze Cylinder Walls And Clean Carbon.
Both Banks	15.5	10.7	A	Includes: Remove Cylinder Top Ridge, Deglaze Cylinder Walls And Clean Carbon.
NOTE
With AC, Add
Right	0.4	0.2	A
Left	0.5	0.3	A
Both	0.5	0.3	A
To Renew Main Bearings, Add	1.2	0.0	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 Grind Valves, Add	2.8	2.0	A
To Renew Crankshaft, Add	4.6	0.0	A
To Renew Oil Pump, Add	0.6	0.0	A
To Clean Oil Pump Screen, Add	0.2	0.0	A
To Renew Timing Chain, Add	1.3	0.0	A
Tune-Up, Add	0.7	0.0	A