Chevrolet Light Duty Truck 1973 Service Manual page 251

Fig. 55—Seal Installation
Axle Shaft—Installation
1. Slide axle shaft into place.
Exercise care that sp li ne s on end of
CAUTION:
shaft do not damage o i l seal and that they
engage with sp lines of d i f f e r e n t i a l side gear.
2. Install axle shaft
"C"
shaft and push shaft outward so that shaft lock
seats in counterbore of differential side gear.
3. Position differential pinion shaft through case and
pinions, aligning hole in shaft with lock screw hole.
Install lock screw and torque to specifications.
4. Using a new gasket, install carrier cover and torque
bolts to specifications.
Make sure both gasket surfaces on
CAUTION:
carrier and cover are clean before i n s t a l l i n g
new gasket. Torque carrier cover b o l t s i n a
crosswise pattern t o ensure uniform draw on
cover gasket.
5. Fill axle with lubricant as specified in Section 0 of
this manual to a level even with the bottom of filler
hole.
. Install brake drum and wheel and tire assembly.
6
7. Lower vehicle and remove from hoist.
Wheel Bolt—Replacement
1. Raise vehicle on hoist allowing axle to hang freely.
2. Remove wheel and tire and brake drum.
3. Using Tool J-5504 or J-6627 press out stud as shown
in figure 56.
4. Place new stud in axle flange hole. Slightly start
stud serrations in hole by firmly pressing back of
stud with your hand.
5. Install a lug nut with flat side first (tapered face
outboard). Tighten on lug nut drawing stud into
flange until stud head is bottomed on back side of
flange.
lock on button end of axle
REAR S U S PEN SIO N A N D DRIVELINE
Fig. 56—Pressing Out Wheel Stud
. Remove lug nut.
6
7. Reinstall brake drum and wheel and tire.
. Lower vehicle and remove from hoist.
8
PINION FLANGE, DUST DEFLECTOR
AND/OR OIL SEAL
Removal
1. Raise vehicle on hoist.
2. Disconnect propeller shaft from axle.
3. Position propeller shaft to one side and tie it to
frame side rail.
4. Measure the torque required to rotate the pinion, as
shown in figure 57. Record the torque for later
reference.
5. Scribe a line down pinion stem, pinion nut, and
flange to aid on reinstallation. Make sure lines show
the relationship of components accurately. Count
Fig. 57—Measuring Pinion Rotating Torque
4 -2 7
LIGHT DUTY TRUCK SERVICE MANUAL