GM Service Manual Online
For 1990-2009 cars only

Application

Specification

Metric

English

Differential Case Shim Sizes

3.5-4.4 mm

.14-.17 in

Pinion Housing Shim Sizes

1.2-1.9 mm

.04-.07 in

Pinion Rotating Torque w/seals

2.5-4 N·m

22-35 lb in

Ring Gear/Pinion A1 Nominal Value-All Axles

111.00 mm

4.37 in

Ring Gear/Pinion A2 Nominal Value-3.42 Ratio Axles

63.5 mm

2.50 in

Ring Gear/Pinion A2 Nominal Value-3.73 Ratio Axle

63.5 mm

2.50 in

Ring Gear/Pinion A2 Nominal Value-3.91 Ratio Axle

63.5 mm

2.50 in

Torsional Backlash

  • 3.42 Ratio with 96 mm Flange

0.22-0.35 mm

.009-.014 in

  • 3.23 Ratio with 96 mm Flange

0.21-0.34 mm

.008-.013 in

  • 3.91 Ratio with 96 mm Flange

0.25-0.41 mm

.010-.016 in

  • 2.73 Ratio with 105 mm Flange

0.20-0.31 mm

.007-.012 in

  • 3.23 Ratio with 105 mm Flange

0.23-0.37 mm

.009-.014 in

  • 3.42 Ratio with 105 mm Flange

0.24-0.38 mm

.009-.015 in

  • 3.73 Ratio with 86 mm Round Flange

0.21-0.34 mm

.008-.013 in