Piston Ring: Labor Times

	Standard Hours	Manufacturer Warranty Hours	Skill Level	Notes
Replace
One Cylinder
Right Bank	20.0	14.3	A	Includes: R&I Cylinder Head & Oil Pan, Remove Carbon, Hone Cylinders.
Left Bank	20.0	14.2	A	Includes: R&I Cylinder Head & Oil Pan, Remove Carbon, Hone Cylinders.
Both Banks	22.5	16.0	A	Includes: R&I Cylinder Head & Oil Pan, Remove Carbon, Hone Cylinders.
Each Additional	0.5	0.4	A	Includes: R&I Cylinder Head & Oil Pan, Remove Carbon, Hone Cylinders.
All Cylinders
Right Bank	22.3	16.3	A	Includes: R&I Cylinder Head & Oil Pan, Remove Carbon, Hone Cylinders.
Left Bank	22.3	16.2	A	Includes: R&I Cylinder Head & Oil Pan, Remove Carbon, Hone Cylinders.
Both Banks	27.1	20.0	A	Includes: R&I Cylinder Head & Oil Pan, Remove Carbon, Hone Cylinders.
Note
To Grind Valves, Add
Both Banks	2.6	2.3	A
Tune-Up, Add	0.9	0.0	A
To R&R Piston, Pin or Connecting Rod, Add
One	0.2	0.0	A
Each Additional	0.1	0.0	A
All	0.9	0.0	A
To R&R Timing Chain, Add
Primary	5.4	0.0	A
Secondary
Right Bank	4.9	0.0	A
Left Bank	5.2	0.0	A