Jeep Cherokee 1999 Electronic Service Manual page 97

3 - 62 DIFFERENTIAL AND DRIVELINE
REM OVAL AN D I N STALLAT I ON (Cont inue d)
Fig. 30 Differential Bearing Removal
Fig. 31 Install Differential Side Bearings
REMOVAL
(1) Rem ove differ en t ia l fr om a xle h ou sin g.
(2) P la ce differ en t ia l ca se in a su it a ble vise wit h
soft m et a l ja w pr ot ect or s (F ig. 32).
(3) Rem ove bolt s h oldin g r in g gea r t o differ en t ia l
ca se.
(4) Usin g a soft h a m m er, dr ive r in g gea r fr om dif-
fer en t ia l ca se (F ig. 32).
Fig. 32 Ring Gear Removal
INSTALLA TION
CAUTION: Do not reuse the bolts that held the ring
gear to the differential case. The bolts can fracture
causing extensive damage.
(1) In ver t t h e differ en t ia l ca se a n d st a r t t wo r in g
gea r bolt s. Th is will pr ovide ca se-t o-r in g gea r bolt
h ole a lign m en t .
(2) In ver t t h e differ en t ia l ca se in t h e vise.
(3) In st a ll n ew r in g gea r bolt s a n d a lt er n a t ely
t igh t en t o 95–122 N·m (70–90 ft . lbs.) t or qu e (F ig. 33).
(4) In st a ll differ en t ia l in a xle h ou sin g a n d ver ify
gea r m esh a n d con t a ct pa t t er n .
PINION GEAR
Th e r in g a n d pin ion gea r s a r e ser viced in a
m a t ch ed set . Do n ot r epla ce t h e pin ion gea r wit h ou t
r epla cin g t h e r in g gea r.
REMOVAL
(1) Rem ove differ en t ia l fr om t h e a xle h ou sin g.
(2) Ma r k pin ion yoke a n d pr opeller sh a ft for
in st a lla t ion a lign m en t .
(3) Discon n ect pr opeller sh a ft fr om pin ion yoke.
Usin g su it a ble wir e, t ie pr opeller sh a ft t o u n der body.
(4) Usin g H older 6958 t o h old yoke, r em ove t h e
pin ion yoke n u t a n d wa sh er.
(5) Usin g Rem over C–452 a n d Wr en ch C–3281,
r em ove t h e pin ion yoke fr om pin ion sh a ft (F ig. 34).
(6) Rem ove t h e pin ion gea r fr om h ou sin g (F ig. 35).
Ca t ch t h e pin ion wit h you r h a n d t o pr even t it fr om
fa llin g a n d bein g da m a ged.
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