GMC 1982 Light Duty Truck, Service Manual

Page: 279 / 1435

POWER STEERING SYSTEM 3B3-23
B o tto m oil s e a l in
c o u n te rb o re . In sta ll
w a s h e r. C o a t s e a l lip an d
w a s h e r fa c e w ith
a n h y d ro u s c a lc iu m
g re a s e
In s ta ll re m a in in g p a rts as
s h o w n .
C lea n end of
ho u sin g th o ro u g h ly
to p re ve n t d irt fro m
en te rin g and be
e x tre m e ly c a re fu l not
to score th e ho using
bore
R e m o v e re ta in in g ring
w ith sn a p ring pliers
J-4245.
U sing s cre w drive r,
pry se a ls and w a s h e r
fro m bo re
C le a n e n d of h o u s in g to
p re v e n t d irt fro m e n te rin g
g e a r.
R e m o v e p a rts as s h o w n ,
b e in g c a re fu l n o t to s c o re
h o u s in g b o re .
R e m o v e s tu b s h a ft n e e d le
b e a rin g a n d u p p e r th ru s t
b e a rin g if re q u ire d .
P ut a fin g e r in to th e s tu b
s h a ft c a v ity a n d h o o k it
o n to th e u p p e r th ru s t
b e a rin g ra ce . T u rn th e
ra c e w h ile p u llin g up. If
b e a rin g o p e ra tio n is
s m o o th , it d o e s n o t n e e d
re m o v a l. C h e c k th e s tu b
s h a ft n e e d le b e a rin g fo r
s m o o th n e s s . If O .K .. d o
no t re m o v e .
If re m o v e d , in s ta ll ne w
s tu b s h a ft n e e d le b e a rin g
B o tto m to o l on h o u s in g
c o u n te rb o re .
SERV ICE thrust bearing
DOES NOT SNAP ON
needle bearing. If removed
install as shown below.
s h o w n b e lo w
'. In s ta ll s tu b s h a ft seal
L ib e ra lly c o a t to p of seal
w ith a n h y d ro u s c a lc iu m
g re a s e .
In s ta ll d u s t se a l ju s t d e e p
e n o u g h to c le a r re ta in in g
rin g g ro o v e , th e n in s ta ll
re ta in in g ring
H O U S IN G A S S E M B L Y
In s p e c t fo r b u rrs
O IL S E A L —
W A S H E R —
D U S T S E A L
H O U S IN G A S S E M B L Y
D U S T S E A L —\
•N E E D L E B E A R IN G
R e m o v e o n ly if it
n e e d s re p la c in g
R E T A IN IN G R IN G
In sta lle r J -8 8 1 0
In s ta ll w ith le tte re d
e d g e o f b e a rin g a g a in s t |
to o l a n d flu s h w ith I
b o tto m of c o u n te rb o re .
J
""— S T U B S H A F T S E A L
R E T A IN IN G R IN G
A R e m o v e b e a rin g s
R e m o v e an d in s ta ll b e a rin g (no t
n e c e s s a ry u n le s s b e a rin g is to
be re p la c e d )
R e m o v e r J -8 5 2 4 -2
" - ^ i S T U B S H A F T
I N E E D L E B E A R IN G
11. REMOVE AND INSTALL CONNECTORS
REM OVE INSTALL
1 R e m o v e p a rts as s h o w n 1 In s ta ll p a rts as s h o w n .
Some models will . - R e m o v e r N o 4
not use these / S c re w E x tra c to r
connectors. /
U P P E R T H R U S T B E A R IN G
In sta lle r J -6 2 1 7
B In s ta ll b e a rin g s
S T U B S H A F T N E E D L E B E A R IN G
In s ta ll fro m s m a ll e n d of h o u s in g .
IN V E R T E D
H O U S IN G A S S E M B L Y
F L A R E
C O N N E C T O R S
U P P E R T H R U S T B E A R IN G — C e n te r
on v a lv e bo dy.
R A C K P IS T O N A N D VA LV E
A S S E M B L Y — H o ld in p o s itio n
s h o w n a n d s lip h o u s in g
a s s e m b ly on
H O U S IN G A S S E M B L Y
9. REMOVE AND INSTALL STUB SHAFT
SEALS AND BEARINGS
REMOVE
INSTALL
10. REMOVE AND INSTALL PITMAN SHAFT
SEALS AND BEARING
REM OVE INSTALL
Fig. 3B3-54--O verhaul 605 G ear, C hart D