2000 MITSUBISHI MONTERO Service Repair Manual

ENGINE <6G7> -General Information/Service Specifications11A-3
GENERAL INFORMATION
Items6G74-GDI
Total displacement ml3,497
Bore´Stroke mm93´85.8
Compression ratio10.4
Combustion chamberPentroof + ball-in-piston
Camshaft arrangementDOHC
Number of valveIntake12
Exhaust12
Valve timingIntakeOpeningBTDC 8_
ClosingABDC 56_
ExhaustOpeningBBDC 48_
ClosingATDC 16_
Fuel systemElectronically controlled multipoint fuel injection
Rocker armRoller type
Auto-lash adjusterEquipped
SERVICE SPECIFICATIONS
ItemsStandard valueLimit
Basic ignition timing5_BTDC±3_-
Ignition timingApprox. 20_BTDC*1-
Idle speed r/min600±100*1-
CO contents %0.5 or less-
HC contents ppm100 or less-
Compression pressure (at engine speed of 280 r/min) kPa1,275980
Compression pressure difference of all cylinders kPa-Max. 98
Intake manifold vacuum kPa-Min. 56*2
Auto tensioner rod depth (mm)Within 1-
Timing belt tension torque N×m4.4-
Auto-tensioner rod protrusion amount mm3.8 - 5.0-
NOTE
*1: Indicates the value measured within 4 minutes since the engine was started.
*2: Indicates the value when more than 4 minutes have passed since the engine was started.


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S
EA LA NT
I te m s S
pecif ie d se ala nts R
em ark s O
il p an M
IT S U BIS H I GEN UIN E PA R T
M D970389 or equiv a le nt S
em i- d ry in g se ala nt N
um ber N
am e U
se M
B991502 M
UT-II su b
a sse m bly M
B991800 P
ulle y hold er S
upportin g of cra nksh aft p ulle y M
B991802 P
in B M
D998769 C
ra nksh aft pulle y
s p ace r O
pera tin g th e cra nksh aft w hen in sta llin g th e
t im in g belt M
D998767 T
e nsio n pulle y
s o cke t w re nch T
im in g belt te nsio n adju stm ent M
D998718 C
ra nksh aft re ar oil
s e alin sta lle r P
re ss-fit tin g th e cra nksh aft re ar oil se al M
D998781 F
ly w heelsto pper S
ecu rin g th e fly w heel

M
D998717 C
ra nksh aft fr o nt
o il se alin sta lle r P
re ss-in of th e cra nksh aft fr o nt oil se al M
B990767 E
nd yo ke hold er S
upportin g of ca m sh aft sp ro cke t M
D998719 C
ra nksh aft pulle y
h old er pin M
D998761 C
am sh aft o il se al
i n sta lle r P
re ss-in of th e ca m sh aft oil se al M
D998773 D
eto natio n se nso r
w re nch D
eto natio n se nso r re m ova la nd in sta lla tio n M
B991683 S
lin g ch ain se t R
em ova la nd in sta lla tio n of engin e asse m bly

O
N-V EH IC LE SER VIC E
D RIV E BELT TE N SIO N CHEC K AND
A DJU STM EN T
C au tio n
P erfo rm th e ch eck afte r ro ta tin g th e en gin e to th e norm al
d ir e ctio n (o ne re vo lu tio n an d over).
1 . Check th at th e in dic a to r m ark of th e auto -te nsio ner is
l o ca te d wit h in th e sco pe sh ow n as ”A ” on th e te nsio ner
b ra cke t.
2 . If th e mark is lo ca te d out of th e sco pe ”A ,” re pla ce th e
d riv e belt .
N O TE
S in ce th e auto -te nsio ner is use d, it is not nece ssa ry to
a dju st th e te nsio n of th e belt .
A UTO -T E N SIO NER CHEC K
1 . Run th e engin e at id lin g sp eed and th en sto p it to ch eck
w heth er th e driv e belt is fo rc e d out fr o m th e wid th of
t h e auto -te nsio ner pulle y.
2 . Rem ove th e driv e belt . (R efe r P.1 1 A -1 7.)
3 . Move th e auto -te nsio ner rig ht and le ft by usin g a12.7
m m sp in ner handle and th e lik e to ch eck wheth er th ere
i s no ca tc h .
4 . If so m e abnorm alit y is fo und durin g th e above m entio ned
c h eck (1 ) and (3 ), re pla ce th e auto -te nsio ner.
5 . In sta ll th e driv e belt . (R efe r P.1 1 A -1 8.)
I G NIT IO N TIM IN G CHEC K
1 . Befo re in sp ectio n, se t th e ve hic le to th e pre -in sp ectio n
c o ndit io n.
2 . Turn th e ig nit io n sw it c h to th e LO CK (O FF) posit io n, and
t h en co nnect th e MUT-I I to th e dia gnosis co nnecto r.
3 . Set a tim in g lig ht to th e ig nit io n co il pow er su pply lin e
( in te rm edia te co nnecto r N o.7 te rm in al) ofth e ig nit io n co il
i n te rm edia te co nnecto r engin e-s id e harn ess.
4 . Sta rt th e engin e and le t it ru n at id le .
5 . Use th e MUT-I I to measu re engin e id le sp eed and ch eck
t h at it is wit h in th e sta ndard va lu e.
S ta n dard valu e: 600 ±
100 (7 00 ±
100)*
N O TE
* : In dic a te s th e va lu es when more th an 4 min ute s have
p asse d sin ce th e id lin g co ndit io n was sta rte d. M
UT-
I I

V
acu um gage P
C V va lv e
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