Jeep Cherokee 1999 Electronic Service Manual page 1054

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REM OVAL AN D I N STALLAT I ON (Cont inue d)
Fig. 40 Timing Case Cover Oil Seal Installation
(3) Rem ove t h e t ools. Apply a ligh t film of en gin e oil
on t h e vibr a t ion da m per h u b con t a ct su r fa ce of t h e sea l.
(4) Apply Mopa r Silicon e Ru bber Adh esive Sea la n t
t o t h e keywa y in t h e cr a n ksh a ft a n d in ser t t h e key.
Wit h t h e key in ser t ed in t h e keywa y in t h e cr a n k-
sh a ft , in st a ll t h e vibr a t ion da m per, wa sh er a n d bolt .
Lu br ica t e a n d t igh t en t h e bolt t o 108 N·m (80 ft . lbs.)
t or qu e.
(5) In st a ll t h e ser pen t in e belt a n d t igh t en t o t h e
specified t en sion (r efer t o Gr ou p 7, Coolin g Syst em s
for t h e pr oper specifica t ion s a n d pr ocedu r es).
(6) In st a ll t h e r a dia t or sh r ou d.
(7) Con n ect n ega t ive ca ble t o ba t t er y.
TIMING CASE COVER
REMOVAL
(1) Discon n ect ba t t er y n ega t ive ca ble.
(2) Rem ove a ccessor y dr ive belt (Refer t o Gr ou p
07, Coolin g Syst em for pr oper pr ocedu r e).
(3) Rem ove t h e a ccessor y dr ive br a cket s t h a t a r e
a t t a ch ed t o t h e t im in g ca se cover.
(4) Rem ove t h e fa n a n d h u b a ssem bly a n d r em ove
t h e fa n sh r ou d.
(5) Rem ove t h e A/C com pr essor (if equ ipped) a n d
gen er a t or br a cket a ssem bly fr om t h e en gin e cylin der
h ea d a n d m ove t o on e side.
(6) Rem ove t h e vibr a t ion da m per (F ig. 41).
(7) Rem ove t h e oil pa n -t o-t im in g ca se cover bolt s
a n d t im in g ca se cover-t o-cylin der block bolt s.
(8) Rem ove t h e t im in g ca se cover a n d ga sket fr om
t h e en gin e.
(9) P r y t h e cr a n ksh a ft oil sea l fr om t h e fr on t of t h e
t im in g ca se cover (F ig. 41).
INSTALLA TION
(1) Clea n t h e t im in g ca se cover, oil pa n a n d cylin -
der block ga sket su r fa ces.
Fig. 41 Timing Case Cover Components
(2) In st a ll a n ew cr a n ksh a ft oil sea l in t h e t im in g
ca se cover. Th e open en d of t h e sea l sh ou ld be t owa r d
t h e in side of t h e cover. Su ppor t t h e cover a t t h e sea l
a r ea wh ile in st a llin g t h e sea l. F or ce it in t o posit ion
wit h Sea l In st a lla t ion Tool 6139.
(3) P osit ion t h e ga sket on t h e cylin der block.
(4) P osit ion t h e t im in g ca se cover on t h e oil pa n
ga sket a n d t h e cylin der block.
(5) In ser t Tim in g Ca se Cover Align m en t a n d Sea l
In st a lla t ion Tool 6139 in t h e cr a n ksh a ft open in g in
t h e cover (F ig. 42).
Fig. 42 Timing Case Cover Alignment and Seal
Installation Tool 6139
(6) In st a ll t h e t im in g ca se cover-t o-cylin der block
a n d t h e oil pa n -t o-t im in g ca se cover bolt s.
(7) Tigh t en t h e 1/4 in ch cover-t o-block bolt s t o 7
N·m (60 in . lbs.) t or qu e. Tigh t en t h e 5/16 in ch fr on t
cover-t o-block bolt s t o 22 N·m (192 in . lbs.) t or qu e.
Tigh t en t h e oil pa n -t o-cover bolt s t o 9.5 N·m (84 in .
lbs.) t or qu e.
(8) Rem ove t h e cover a lign m en t t ool.
2.5L ENGINE 9 - 37