Chevrolet 1977 light duty truck Service Manual page 368

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 an d brake drum.
3. Using Tool J-5504 or J-6627 press out stud as
shown in figure 4B-23.
4. Place new stud in axle flange hole. Slightly start
stud serrations in hole by firmly pressing back o f stud
with your hand.
5. Install a lug nut w ith flat side first (tapered face
outboard). Tighten on lug nut draw ing stud into flange
until stud head is bottom ed on back side o f flange.
6. Remove lug nut.
7. Reinstall brake d ru m an d wheel and tire.
8. Lower vehicle and remove from hoist.
P IN IO N FLANGE, D U S T DEFLECTOR
A N D /O R 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
f ra m e side rail.
4. M easure the torque required
pinion, as shown in figure 4B-24. 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
r e la tio n sh ip o f c o m p o n e n ts
n u m b e r o f exposed threads on pinion stem, and record
for later reference. See figure 4B-25.
6. Install Tool J-86 14-11 on pinion flange and
remove pinion flange self-locking washer faced nut as
shown in figure 4B-26. (Position J-8614-11 on flange so
tha t the four notches are toward flange.) Save scribed
nut for reinstallation.
TO O L J -6 6 2 7
or J - 5 5 0 4
to rotate the
accurately. C o un t the
Fig. 4B-24--M easuring Pinion R otating Torque
7. T hread pilot end o f Tool J-8614-3 into small
O.D. end o f J-8614-2. Then with J-8 614-11 installed as in
Step 6, insert J-8614-2 into J-86 14-11 and turn it 45
degrees to locked position. Remove flange by turning
J-8614-3 while holding J-8614-11 as shown in figure 4B-
27.
8. Pry old seal out o f bore, using a screw driver or
a h a m m e r and chisel.
Inspection
1. Inspect pinion flange for smooth oil seal surface,
worn drive splines, dam aged ears, and for smoothness of
bearing contact surface. Replace if necessary.
2. If deflector requires replacement, remove by
tapping from flange, clean up stake points; install new
deflector, and stake deflector at three new equally spaced
positions.
NOTE: Staking operation must be perform ed in