Jeep Cherokee 1999 Electronic Service Manual page 1087

9 - 70 4.0L ENGINE
REM OVAL AN D I N STALLAT I ON (Cont inue d)
If t h e solu t ion is clea n , dr a in t h e coola n t in t o a clea n
con t a in er for r eu se.
(5) Rem ove t h e lower r a dia t or h ose.
(6) Rem ove t h e u pper r a dia t or h ose a n d coola n t
r ecover y h ose (F ig. 27).
(7) Rem ove u pper r a dia t or su ppor t r et a in in g bolt s
a n d r em ove r a dia t or su ppor t .
(8) Rem ove t h e fa n sh r ou d (F ig. 27) a n d elect r ic
coolin g fa n .
(9) Discon n ect t h e t r a n sm ission flu id cooler t u bin g
(a u t om a t ic t r a n sm ission ).
(10) Discon n ect r a dia t or fa n swit ch wir e con n ect or.
(11) Ve h ic le s w ith Air Co n d itio n in g :
(a ) Disch a r ge A/C syst em (r efer t o gr ou p 24,
H ea t in g a n d Air Con dit ion in g for pr oper pr oce-
du r es)
(b) Discon n ect t h e su ct ion /disch a r ge h ose a n d
ca p off com pr essor por t s t o pr even t for eign m a t e-
r ia l a n d r efr iger a n t oil loss.
(12) Rem ove t h e r a dia t or or r a dia t or a n d con -
den ser (if equ ipped wit h A/C).
(13) Rem ove t h e fa n a ssem bly fr om t h e idler pu l-
ley.
(14) Discon n ect t h e h ea t er h oses a t t h e en gin e
t h er m ost a t h ou sin g a n d wa t er pu m p (F ig. 27) (F ig.
28).
Fig. 27 Upper Radiator Hose, Coolant Recovery
Hose, Fan Shroud & Heater hoses
(15) Discon n ect t h e t h r ot t le ca ble.
(16) Discon n ect t h e
equ ipped).
(17) Discon n ect t h e lin e pr essu r e ca ble (if equ ipped
wit h a u t om a t ic t r a n sm ission ).
(18) Discon n ect t h e fu el in ject or h a r n ess a t t h e
in ject or s.
(19) Discon n ect t h e dist r ibu t or elect r ica l con n ec-
t ion a n d t h e oil pr essu r e swit ch con n ect or.
speed con t r ol ca ble
Fig. 28 Heater Hoses (RH Drive Vehicle)
WARNING: THE FUEL SYSTEM IS UNDER A CON-
STANT PRESSURE (EVEN WITH THE ENGINE
TURNED OFF). BEFORE DISCONNECTING FUEL
LINES, THE FUEL SYSTEM PRESSURE MUST BE
RELEASED.
(20) P er for m t h e F u el Syst em P r essu r e Relea se
pr ocedu r e (r efer t o Gr ou p 14, F u el Syst em ).
(21) Rem ove t h e la t ch clip a n d discon n ect fu el su p-
ply lin e.
(22) Rem ove t h e power br a ke va cu u m ch eck va lve
fr om t h e boost er, if equ ipped.
(23) If equ ipped wit h power st eer in g:
(a ) Discon n ect t h e h oses fr om t h e fit t in gs a t t h e
st eer in g gea r.
(b) Dr a in t h e pu m p r eser voir.
(c) Ca p t h e fit t in gs on t h e h oses a n d st eer in g
gea r t o pr even t for eign object s fr om en t er in g t h e
syst em .
(24) Iden t ify, t a g a n d discon n ect a ll n ecessa r y wir e
con n ect or s a n d va cu u m h oses.
(25) Ra ise a n d su ppor t t h e veh icle.
(26) Discon n ect t h e wir es fr om t h e st a r t er m ot or
solen oid.
(27) Rem ove t h e st a r t er m ot or.
(28) Discon n ect t h e exh a u st pipe fr om t h e m a n i-
fold.
(29) Discon n ect t h e en gin e speed sen sor wir e con -
n ect ion .
(if
(30) Rem ove t h e exh a u st pipe su ppor t .
(31) Rem ove t h e flywh eel a n d con ver t er h ou sin g
a ccess cover.
(32) Ve h ic le s w ith Au to m a tic Tra n s m is s io n :
(a ) Ma r k t h e con ver t er a n d dr ive pla t e loca t ion .
(b) Rem ove t h e con ver t er-t o-dr ive pla t e bolt s.
(33) Rem ove t h e u pper flywh eel a n d con ver t er
h ou sin g bolt s a n d loosen t h e bot t om bolt s.
(34) Rem ove t h e en gin e m ou n t cu sh ion -t o-en gin e
com pa r t m en t br a cket bolt s.
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