Jeep Cherokee 1999 Electronic Service Manual page 1142

X J
REM OVAL AN D I N STALLAT I ON (Cont inue d)
(38) In st a ll t h e fu el filt er, Tigh t en bolt s t o 28 N·m
(250 in . lbs.)
(39) Con n ect t h e fu el su pply a n d r et u r n lin es
(40) Con n ect t h e u pper r a dia t or h ose.
(41) Con n ect t h e n ega t ive ca ble ba t t er y.
(42) If equ ipped wit h A/C, eva cu a t e a n d ch a r ge t h e
a ir con dit ion in g syst em . Refer t o Gr ou p 24, H ea t er
a n d Air Con dit ion in g.
(43) F ill t h e coolin g syst em . Ch eck for lea ks.
WARNING: USE EXTREME CAUTION WHEN THE
ENGINE IS OPERATING. DO NOT STAND IN DIRECT
LINE WITH THE FAN. DO NOT PUT HANDS NEAR
THE PULLEYS, BELTS OR FAN. DO NOT WEAR
LOOSE CLOTHING.
(44) Oper a t e t h e en gin e wit h t h e r a dia t or ca p off.
In spect for lea ks a n d con t in u e oper a t in g t h e en gin e
u n t il t h e t h er m ost a t open s. Add coola n t , if r equ ir ed.
CAUTION: After rebuild or cylinder head gasket
replacement, the cylinder head must be retorqued
within the first 20,000km. If individual fiber type
head gaskets were used.
NOTE: The one piece steel type head gasket does
not require, the above mentioned, retorque proce-
dure.
CYLINDER HEAD RE-TORQUE
Wit h in t h e fir st 20,000 km (12,000 m iles) a ft er
r ebu ild, r et or qu e t h e cylin der h ea d bolt s a s follows:
(F ig. 38) Cen t r a l bolt s A-L: Wit h ou t sla cken in g t h e
bolt s, followin g a lph a bet ica l or der t igh t en t h e bolt s
t h r ou gh a n a n gle of 15°. Side bolt s M1-M2: Wit h ou t
sla cken in g, t igh t en M1 t h en M2 bolt s t h r ou gh a n
a n gle of 15°.
VIBRA TION DAMPER
REMOVAL
(1) Discon n ect t h e n ega t ive ba t t er y ca ble.
(2) Rem ove t h e fa n a n d set fa n in side fa n sh r ou d
t h en r em ove fa n sh r ou d a n d fa n a s a n a ssem bly.
(3) Rem ove t h e a ccessa r y dr ive belt . Refer t o
Gr ou p 7, Coolin g Syst em for pr ocedu r e.
(4) Rem ove t h e vibr a t ion da m per n u t .
(5) In st a ll specia l t ool VM.1000-A t o r em ove vibr a -
t ion da m per.
INSTALLA TION
(1) In st a ll t h e vibr a t ion da m per a n d a lign wit h
key wa y.
(2) In st a ll t h e vibr a t ion da m per n u t . Tor qu e n u t t o
196 N·m (147 ft . lbs.).
(3) In st a ll t h e a ccessa r y dr ive belt . Refer t o Gr ou p
7, Coolin g Syst em for pr ocedu r e.
(4) Con n ect t h e n ega t eive ba t t er y ca ble.
TIMING GEAR COVER OIL SEAL
REMOVAL
(1) Discon n ect t h e n ega t ive ba t t er y ca ble.
(2) Rem ove t h e vibr a t ion da m per. Refer t o vibr a -
t ion da m per r em ova l a n d in st a lla t ion in t h is sect ion .
CAUTION: Use care when removing the old seal.
Be sure not to damage the timing gear cover.
(3) P r y ou t t h e old sea l.
INSTALLA TION
Rem ove t h e oil sea l r in g. Th e sea t in g dia m et er
m u st be 68.000 - 68.030 m m .
(1) In st a ll t h e n ew
VM.1015A.
(2) In st a ll t h e vibr a t ion da m per. Refer t o vibr a t ion
da m per r em ova l a n d in st a lla t ion in t h is sect ion .
(3) Con n ect t h e n ega t ive ba t t er y ca ble.
Fig. 39 Timing Gear Cover Oil Seal
TIMING GEAR COVER
REMOVAL
(1) Discon n ect t h e n ega t ive ba t t er y ca ble.
(2) Rem ove t h e fa n a n d set fa n in side fa n sh r ou d
t h en r em ove fa n sh r ou d a n d fa n a s a n a ssem bly.
(3) Rem ove t h e a ccessa r y dr ive belt . Refer t o
Gr ou p 7, Coolin g Syst em for pr ocedu r e.
(4) Rem ove t h e vibr a t ion da m per n u t .
(5) In st a ll specia l t ool VM.1000-A t o r em ove t h e
vibr a t ion da m per.
(6) Rem ove t h e fa n pu lley.
NOTE: The idler pulley bolt has left hand thread.
ENGINE 9 - 29
sea l u sin g specia l t ool