Jeep Cherokee 1999 Electronic Service Manual page 1300

X J
DI SASSEM BLY AN D ASSEM BLY (Cont inue d)
(4) Lu br ica t e a n d in st a ll r a ck pist on ba lls t h r ou gh
r et u r n gu ide h ole wh ile t u r n in g wor m sh a ft COUN-
TE RCLOCKWISE (F ig. 22).
(5) In st a ll r em a in in g ba lls in gu ide u sin g gr ea se t o
h old t h e ba lls in pla ce (F ig. 23).
Fig. 23 Balls in the Return Guide
(6) In st a ll t h e gu ide on t o r a ck pist on a n d in st a ll
cla m p a n d cla m p bolt s. Tigh t en bolt s t o 58 N·m (43
ft . lbs.).
(7) In ser t Ar bor C-4175 in t o bor e of r a ck pist on
a n d h old t ool t igh t ly a ga in st wor m sh a ft .
(8) Tu r n t h e wor m sh a ft COUNTE RCLOCKWISE
wh ile pu sh in g on t h e a r bor. Th is will for ce t h e r a ck
pist on on t o t h e a r bor a n d h old t h e r a ck pist on ba lls
in pla ce.
(9) In st a ll t h e r a ces a n d t h r u st bea r in g on t h e
wor m sh a ft a n d in st a ll sh a ft in t h e h ou sin g (F ig. 21).
(10) In st a ll t h e st u b sh a ft wit h spool va lve, t h r u st
su ppor t a ssem bly a n d a dju st er n u t in t h e h ou sin g.
(11) In st a ll t h e r a ck pist on a n d a r bor t ool in t o t h e
h ou sin g.
(12) H old a r bor t igh t ly a ga in st wor m sh a ft a n d
t u r n st u b sh a ft CLOCKWISE u n t il r a ck pist on is
sea t ed on wor m sh a ft .
(13) In st a ll pit m a n sh a ft a n d side cover in t h e
h ou sin g.
(14) In st a ll r a ck pist on plu g a n d t igh t en t o 150
N·m (111 ft . lbs.).
(15) In st a ll h ou sin g en d plu g.
(16) Adju st wor m sh a ft t h r u st bea r in g pr eloa d a n d
over-cen t er r ot a t in g t or qu e.
ADJ U ST M EN T S
STEERING GEAR
CAUTION: Steering gear must be adjusted in the
proper order. If adjustments are not performed in
order, gear damage and improper steering response
may result.
NOTE: Adjusting the steering gear in the vehicle is
not recommended. Remove gear from the vehicle
and drain the fluid. Then mount gear in a vise to
perform adjustments.
WORM THRUST BEARING PRELOAD
(1) Mou n t t h e gea r ca r efu lly in t o a vise.
CAUTION: Do not overtighten the vise on the gear
case. This may affect the adjustment
(2) Rem ove a dju st er plu g lockn u t (F ig. 24).
(3) Rot a t e t h e st u b sh a ft ba ck a n d for t h wit h a 12
poin t socket t o dr a in t h e r em a in in g flu id.
Fig. 24 Adjuster Lock Nut
(4) Tu r n t h e a dju st er in wit h Spa n n er Wr en ch
C-4381. Tigh t en t h e plu g a n d t h r u st bea r in g in t h e
h ou sin g u n t il fir m ly bot t om ed in t h e h ou sin g a bou t
34 N·m (25 ft . lbs.).
(5) P la ce a n in dex m a r k on t h e h ou sin g even wit h
on e of t h e h oles in a dju st er plu g (F ig. 25).
(6) Mea su r e ba ck (cou n t er clockwise) 5.08 m m (0.20
in ) a n d m a r k h ou sin g (F ig. 26).
(7) Rot a t e a dju st m en t ca p ba ck (cou n t er clockwise)
wit h spa n n er wr en ch u n t il h ole is a lign ed wit h t h e
secon d m a r k (F ig. 27).
STEERING 19 - 19