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Home >> GMC >> 1991 >> Value Van 7.4 N >> Repair and Diagnosis >> Drivelines & Axles >> Differentials & Drive Axles >> Drive Axle - Gm 10 1/2" >> Overhaul >> Drive Axle Assembly Specifications

Drive Axle Assembly Specifications

PINION DEPTH CODES

Original Code Service Code Correction In. (mm)
+2 +2 0 (0)
+2 +1 -.001 (-.025)
+2 0 -.002 (-.050)
+2 -1 -.003 (-.074)
+2 -2 -.004 (-.098)
+1 +2 +.001 (+.025)
+1 +1 0 (0)
+1 0 -.001 (-.025)
+1 -1 -.002 (-.050)
+1 -2 -.003 (-.074)
0 +2 +.002 (+.050)
0 +1 +.001 (+.025)
0 0 0 (0)
0 -1 -.001 (-.025)
0 -2 -.002 (-.050)
-1 +2 +.003 (+.074)
-1 +1 +.002 (+.050)
-1 0 +.001 (+.025)
-1 -1 0 (0)
-1 -2 -.001 (-.025)
-2 +2 +.004 (+.098)
-2 +1 +.003 (+.074)
-2 0 +.002 (+.050)
-2 -1 +.001 (+.025)
-2 -2 0 (0)
AXLE ASSEMBLY SPECIFICATIONS

Application Measurement In. (mm)
Ring Gear Backlash
Preferred .005-.008 (.127-.203)
Acceptable .003-.008 (.076-.203)
INCH Lbs. (N.m) 
Pinion Bearing Preload
Used Bearings 5-15 (.6-1.7)
New Bearings 23-35 (2.6-4.0)