buick Workshop Repair Guides

Buick Workshop Service and Repair Manuals

Piston, Engine > < Main Bearing Torque Specifications
Page 1
background image

Crankshaft: Specifications
Crankshaft Dimensions

Engine Liter/VIN .....................................................................................................................................................................................................  3.1L/M

All Measurements Given In Inches Unless Otherwise Specified

Crankshaft

Standard Journal Diameter

Main Bearing ........................................................................................................................................................................................  2.6473-2.6483
Crank Pin ..............................................................................................................................................................................................  1.9983-1.9994

Out of Round All [01] ...........................................................................................................................................................................................  0.0002
Taper All [01] ........................................................................................................................................................................................................  0.0002

Bearing Clearance

Main Bearings ...........................................................................................................................................................................................  0.0012-0.0030
Connecting Rod Bearings .........................................................................................................................................................................  0.0011-0.0037
Thrust Bearing Clearance ........................................................................................................................................................................  0.0012-0.0030

Connecting Rod Side Clearance .....................................................................................................................................................................  0.0071-0.0173

[01] Maximum.

Piston, Engine > < Main Bearing Torque Specifications