4-26 REAR AXLE DIFFERENTIAL CARRIER
SLIDING
GEAR
Fig. 2L ~ D ifferential C arrier Assem bly
NOTE: See Truck Service Manual "Chevrolet Two-
Speed Axle, Electric Shift System", for service on
electric units or"Two-Speed Eaton Axles Piston-Air
S hift System"for service on air units.
4.
Remove the two trunnion bearing "U" bolts from the
pinion flange and split the rear universal joint.
NOTE: The bearings can be left on the trunnion and
held in place w ith tape.
5. Swing propeller shaft to one side and tie it to the frame
side rail.
6
.
Remove all differential carrier to axle housing bolts and
lock washers, except the two near the top. Loosen two
at top and leave installed to prevent carrier from falling.
7.
Break carrier loose from axle housing by tapping carrier
with rawhide mallet.
8
.
Support carrier on roller jack; then remove the two top
bolts and lock washers. A small pinch bar may be used
to keep carrier straight in housing bore while carrier is
withdrawn, provided end of bar is rounded to prevent
damage to carrier flange.
D is a ss e m b ly
The following paragraphs cover the removal of the subas
semblies and component parts from the differential carrier
assembly, with the carrier mounted in Holding Fixture J-
3409. Key numbers in text refer to Figure 1L unless other
wise noted.
Clutch Gear and Sh ift Fork-Removal
1.
Remove shift fork seal (44) and spring (45). Note that
seal has words "BOTTOM HOLE;" also 1/8" hole to
indicate correct positioning at reassembly.
2. At underside of carrier, remove expansion plug cover
ing shift fork shaft. Use brass drift and hammer to drive
shaft upward which will also remove expansion plug
from top side of carrier.
3. Slide shift fork up and free from clutch gear. Pull slid
ing clutch gear out of planetary unit (View A, fig. 2L),
and remove shift fork.
Differential a nd Planetary Unit-Removal
1. Mark right differential bearing adjuster (
6
) and cap (5)
with punch (View B, fig. 2L) for locating purposes at
assembly.
2. Remove bearing cap bolt lock wires, loosen bolts, then
remove cotter pin and adjuster lock (4) from right ad
juster (
6
) and remove.
3. Remove left adjuster (33) bearing cap (5) and lock (35)
as an assembly to insure correct location at assembly
(View C, fig. 2L).
4.
Lift support case and ring gear, differential and plane
tary unit assembly out of carrier.
Pinion a nd Cage-Removal
NOTE: On axles w ith straddle mounted pinion the
differential and planetary unit assembly must be
removed before pinion and cage assembly can be
removed.
1. Remove pinion bearing cage bolts, and lock washers.
2. Invert carrier and tap inner end of drive pinion (28)
until pinion and cage assembly is free from carrier.
3. Remove shims (53) noting quantity and thickness for
use at assembly. Wire shim pack together.
L H . H A N D
BEARING
DIFFERENTIAL
ADJUSTER
BEARING C A P i a ^ i
USTER
LOCK
C -R E M O V IN G L H . BfcAklNG CAP
A N D ADAPTER
CHEVROLET OVERHAUL M A N U A L SUPPLEMENT
Summary of Contents for 40 60 Series
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