Chevrolet 1980 Light Duty Truck Repair Manual page 83

1. C o m p a n io n Flange
2. O il D e fle c to r
3. O il Seal
4. B earing R eta in er
5. S him
6
. P in io n F ro n t Bearing
7. C ollap sible Spacer
8
. P in io n R ear B earing
9 . D rive P inion
3. Rem ove axle shafts as outlined in Truck Service
M anual.
Before proceeding w ith follow ing steps, it
is advisable to check the existing ring gear to pinion
backlash as described in Step 9 o f "Differential Case
- Installation." This w ill indicate gear or bearing wear
or an error in backlash or pinion depth setting which
will help in determining cause o f axle noise. Backlash
should be recorded so that if sam e gears are reused,
then may be reinstalled at original lash to avoid
changing gear tooth contact.
4. R em ove adjusting nut lock retainers from bearing
caps.
10. S tra d d le Bearing
1 1 . R ing G ear
12. D iffe re n tia l S pider
13. D iffe re n tia l Case
14. D iffe re n tia l P in io n
15. D iffe re n tia l Side Gear
16. Side B earing
17. Side B earing A d ju s tin g N u t
18. A d ju s tin g N u t R eta in er
Fig. 1E~Cross Section of T ruck D iffe re n tia l w ith 10 1 /2 " Ring Gear
REAR AXLE DIFFERENTIAL
19. R e ta in e r S crew
2 0 . B earing Cap
2 1 . C ase-to -R in g Gear B o lt
2 2 . D iffe re n tia l C over
2 3 . B earing Cap B o lt
2 4 . C over Screw
2 5 . A x le S h a ft
5. Mark bearing caps for reinstallation in the same
position, and rem ove caps.
6. Loosen side bearing adjusting nuts, using J-24429 as
show n in figure 3E.
7. R em ove differential from carrier.
Side Bearing R eplacem ent
1. Install bearing puller J -8 107 onto one side bearing,
w ith puller screw centered on pilot plug as show n in figure
4E. Be sure to install puller fingers into notches o f case, in
order to pull on inner race only.
2. Tighten puller screw, w hile rotating bearing to insure
that bearing cage is not being distorted.
3. R em ove the other bearing in the sam e manner.
4B-13
O VE R H A U L M A P