Piston Ring: Labor Times

	Standard Hours	Manufacturer Warranty Hours	Skill Level	Notes
Replace
All Cylinders	7.3	5.3	A	Includes: R&R Cylinder Head, Oil Pan & Plastigauge Bearings.
Note
With AC, Add	0.5	0.3	A
With PS, Add	0.4	0.2	A
To Replace Rod Bearings, Add	0.8	0.5	A
To Replace Main Bearings, Add	1.5	1.1	A
To Grind Valves & Seats, Add	4.5	3.2	A
To Replace Piston and/or Pin, Add
One or All	0.8	0.5	A
To Replace Cylinder Head, Add
Bare Assembly	2.2	1.6	A
Complete Assembly	0.8	0.5	A
To Replace Camshaft and/or Rocker Arms, Add	1.1	0.8	A
To Replace Exhaust Manifold, Add	0.8	0.5	A
Add Following Operations If Performed With Piston & Ring Jobs
Crankshaft, Renew	3.7	0.0	A
Main Bearings, Renew	1.3	0.0	A
Timing Belt and/or Pulley, Renew	0.8	0.0	A
Oil Pump, Renew	1.0	0.0	A
Tune-Up	0.5	0.0	A