Crankshaft Main Bearing: Labor Times

	Standard Hours	Manufacturer Warranty Hours	Skill Level	Notes
Replace
Main Bearings	12.7	9.4	A	Includes: R&I Engine, R&I Oil Pan & Plastigauge Bearings.
Note
With AC, Add	0.7	0.4	A
With PS, Add	0.4	0.2	A
With Auto Trans, Add	0.8	0.5	A
To Overhaul Cylinder Head, Add
With 12 Valve Engine	4.9	3.5	A