Chevrolet 10 Series 1970 Service Manual page 207

F i g . 5 7 — R e w o r k T o o l
6. Install outer locknut and tighten to c o r r e c t specified
torque. Then bend long tang o f nut lock o v e r into slot
o f outer nut. T h is method o f adjustment w ill resu lt
in the prop er bearin g loading, and wheel should turn
fre e ly .
Drive Pinion O il Seal (Fig. 59)
Replacement
NOTE: The pinion o il
with the c a r r ie r assem bly
veh icle.
1. M ark relationship between p ro p e lle r shaft and com ­
panion flange.
2. Disconnect p r o p e lle r shaft and rem ove pinion flange
and d eflecto r.
F ig . 5 8 —T ig h te n in g W heel Hub B earing A d ju s tm e n t N u t (T y p ic a l)
J - 2 2 3 4 3
seal may be replaced
installed in the
REAR SUSPENSION AND DRIVE LINE 4-31
F i g . 5 9 — 5 2 0 0 th r o u g h 1 7 , 0 0 0
3. R em ove bolts retaining the o il seal reta in er to c a r ­
r ie r , and withdraw reta in er from pinion.
4. P r y old seal from b ore, using care so as not to dam­
age machined surface o f retain er.
5 .
Thoroughly clean a ll foreign m atter from seal con­
tact area in retain er.
6. Pack the cavity between the seal lip s with a high-
m elting point bearin g
J - 2 2 2 8 1
in sta ller T o o l
in sta ller d rive surface.
7 . P r e s s seal into reta in er until it bottom s against
shoulder.
8. C arefu lly position seal retainer o v e r pinion to p r e ­
vent damage to seal, and torque retaining bolts to
specification s.
9. R einstall pinion flange and p ro p e lle r shaft as marked
in step #1.
NOTE: T h is p ro p e lle r
fastener is an im portant attaching part in that it
could a ffect the perform an ce o f v ita l components
and system s, and/or could result in m a jor rep a ir
expense. It must be replaced with one o f the
same part number o r with an equivalent part i f
replacem ent becom es n ecessary. Do not use a
replacem ent part o f le s s e r quality or substitute
design. Torque values must be used as specified
during reassem bly to assure proper retention o f
this part.
No-Spin D ifferential Unit
The optionally a vailable No-Spin d ifferen tial unit is in ­
5 2 0 0
stalled in a conventional
ing. S ervice procedu res are the same as fo r conventional
a xles.
l b . A x l e P in io n O i l
lubricant, position seal on
so that seal shoulders against
shaft to pinion flange
7 2 0 0
or lb. re a r axle hous­
CHEVROLET TRUCK SERVICE MANUAL
S e a l ( T y p i c