GMC 1982 Light Duty Truck Service Manual page 465

Old Pinion
Marking
- 4
+ 4
+ 0.008
+ 3 + 0.007
+ 2
+ 0.006
+ 1 + 0.005
0 + 0.004
- 1 + 0.003
- 2 + 0.002
- 3 + 0.001
- 4 0
Fig. 4B4-9~lnstalling Outer Pinion Bearing Cup
8. Install flange holding bar and install washer and nut on
pinion shaft. Torque nut to 355 N-m (255 ft. lbs.).
9. Remove holding bar and with an inch pound torque
wrench measure rotating torque. Rotating torque
should be 10 to 20 in. lbs. with original bearings or 20 to
40 in. lb. with new bearings.
Torque reading to start shaft turning must be
disregarded.
- 2
- 3
+ 0.007 + 0.006 + 0.005
+ 0.004
+ 0.006 + 0.005
+ 0.004
+ 0.005 + 0.003
+ 0.004 + 0.003 + 0.002
+ 0.002 + 0.001
+ 0.003
+ 0.002 + 0.001
+ 0.001 0 - 0.001
- 0.001 - 0.002
0
- 0.001 - 0.002 - 0.003
Fig. 4B4-8--Dana Pinion Code Chart
New Pinion Marking
- 1 0 + 1
+ 0.004 + 0.003
+ 0.002
+ 0.003
+ 0.001
+ 0.002
0
+ 0.001
0 - 0.001
0 - 0.001 - 0.002
- 0.003
- 0.002
- 0.003 - 0.004
- 0.004 - 0.005
10. If torque requirem ents
specifications, adjust shim pack as necessary.
• Increase the outer shim pack to reduce rotation
torque.
• Decrease shim pack to increase rotating torque.
11. Remove nut, washer and flange from pinion shaft.
12. Install oil slinger, gasket and using Tool J-22804 install
oil seal.
13. Install flange, washer and nut. Torque nut to
specifications.
Fig. 4B4-10--lnstalling Inner Pinion Cone and Roller
REAR A X LE
+ 2 + 3
+ 0.002 + 0.001
+ 0.001 0 - 0.001
0 - 0.001 - 0.002
- 0.001 - 0.002 - 0.003
- 0.002 - 0.003 - 0.004
- 0.004 - 0.005
- 0.003
- 0.004 - 0.005 - 0.006
- 0.007
- 0.005 - 0.006
- 0.007
- 0.006 - 0.008
(preload) are not
4 B 4 -5
+ 4
0
to