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4LHD/4LHDX Application Manual
Powertrain Control Solutions
REV 1.1
2WD SPLINE DATA
Number of Teeth 27 Form Diameter 27.94 mm
Module 1.0583 mm Min Effective Tooth Thickness (Reference) 1.732 mm
Diameter Pitch 24.000 mm Max Effective Tooth Thickness 1.821 mm
Pressure Angle 30.0˚
Min Actual Tooth
Thickness
1.719 mm
Pitch Diameter
(Reference)
28.575 mm
Max Actual Tooth
Thickness
1.795 mm
Base Diameter
(Reference)
24.747 mm Measure Over Pins
Min: 31.173 mm
Max: 31.051 mm
Major Diameter 29.822-39.845 mm
Pin Diameter
(Reference)
1.778 mm
Minor Diameter 27.00-27.20 mm Spline Length 115.5 mm
Figure 2.2.3-1: GM 2WD Extension Housing
SIDE VIEW
SIDE VIEW
BOTTOM VIEW
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