Page 753 of 4402
Engine - \b.5L \furatec (16\bkW/\b\b0PS) -
VI5 - EngineS-MAX/G\bl\bxy\f2006.5\f(02/2006-)\fPrint \f
\fescription and Operation
2.5L\fDur\btec-ST\f(VI5)\fengine\f
Ge
ner\bl\f
The\f2.5L\fDur\btec-ST\f(VI5)\fengine\fis\f\b\ftr\bnsversely\fmounted\f5-cylinder,\f20-v\blve,\f2522\f
cm³,\fturbo\fengine.\f
The\fcylinder\fbore\fis\f83\fmm.\f
The\fstroke\fis\f93.2\fmm.\f
It\fh\bs\f\b\fcompression\fr\btio\fof\f9:1.\f
The\fv\blve\ftr\bin\fis\fdriven\fby\f\b\ftiming\fbelt.\f
The\fv\blve\ftiming\fof\fthe\fint\bke\f\bnd\fexh\bust\fc\bmsh\bfts\fis\f\bdjusted\fby\fv\bri\bble\fc\bmsh\bft\f
timing\f(VCT)\fcontrol\funits.\f
The\f\bccessories\f\bre\fdriven\fby\ftwo\fel\bstic\fmultigroove\fbelts.\f
The\ftension\fof\fthe\ftwo\fmultigroove\fbelts\fis\fm\bint\bined\f\butom\btic\blly\fby\ftwo\fsep\br\bte\f
mech\bnic\bl\fbelt\ftensioners.\f
Engine management \f
\f
Стр. 1 из 13
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Page 754 of 4402

Bosch\fME\f9.0\fengine\fm\bn\bgement\fsystem\f\f
Knock\fcontrol\fwith\ftwo\fknock\fsensors\f\f
Electronic\fthrottle\fpl\bte\f\f
Electronic\f\bcceler\btor\fped\bl\f\f
V\bri\bble\fc\bmsh\bft\ftiming\ffor\fint\bke\f\bnd\fexh\bust\fc\bmsh\bfts\f\f
Fuel\fr\bil\fwith\fcombined\ffuel\fpressure\f\bnd\ftemper\bture\fsensor\f\f
Sequenti\bl\fmulti-port\ffuel\finjection\f\f
C\bmsh\bft\fposition\f(CMP)\fsensors\ffor\fint\bke\f\bnd\fexh\bust\fc\bmsh\bfts.\f\f
Cr\bnksh\bft\fposition\f(CKP)\fsensor\f
Engine emission control \f
Complies\fwith\fEurope\bn\femissions\fst\bnd\brd\fIV\f\f
EOBD\f(Europe\bn\fOn-bo\brd\fDi\bgnostic)\ffor\fthe\fmonitoring\fof\femissions-rel\bted\f
co
mponents.\f\f
HO2S\f(He\bted\fOxygen\fSensor),\fpre-\f\bnd\fpost-c\bt\blytic\fconverter\f
\fiagnosis \f
Di
\bgnosis\fis\fperformed\fusing\fWDS\f(Worldwide\fDi\bgnostic\fSystem)\fvi\b\fthe\fDLC\f(D\bt\b\fLink\f
Connector).\f
Engine\fpower\foutput\f\bnd\ftorque\f
\f\f
\fescription
Torque\fcurve\f
Power\foutput\fcurve\f
By\fthe\fuse\fof\fVCT\ffor\fthe\fint\bke\f\bnd\fexh\bust\fc\bmsh\bfts\fit\fis\fpossible\fto\f\btt\bin\fm\bximum\f
to
rque\f\bcross\f\b\fwide\fengine\fspeed\fr\bnge.\f
The\fm\bximum\ftorque\fof\f320\fNm\fis\f\bv\bil\bble\fbetween\f1600\f\bnd\f4000\frpm.\f
M\bximum\fpower\foutput\fof\fthe\fengine\fis\f166\fkW\f(225\fPS)\f\bt\f6000\frpm.\f
2.5L\fDur\btec-ST\f(VI5)\fengine\f Item
1
2
\f
Part Number -
-
Стр. 2 из 13
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Page 755 of 4402
\f\f\fescription
Engine\ffront\fcover\f
Engine\fre\br\fcover\f
CMP\fsensor,\fint\bke\fc\bmsh\bft\f
CMP\fsensor,\fexh\bust\fc\bmsh\bft\f
VCT\foil\fcontrol\fsolenoid,\fint\bke\fc\bmsh\bft\f
VCT\foil\fcontrol\fsolenoid,\fexh\bust\fc\bmsh\bft\f
Exh\bust\fVCT\fcontrol\funit\f
Int\bke\fVCT\fcontrol\funit\f
Timing\fbelt\fidler\fpulley\f
Cr\bnksh\bft\ftiming\fbelt\fpulley\f
Timing\fbelt\ftensioner\f
Cool\bnt\fpump\fpulley\f
Timing\fbelt\f
\fesign \f
T h
e\f2.5L\fDur\btec-ST\f(VI5)\fengine\fis\f\b\fturbo\fch\brged\fengine\fwith\f5\fcylinders\f\bnd\f20\fv\blves\f
with\felectronic\blly-controlled\fdu\bl\fVCT.\f
The\fentire\fengine\fis\fm\bde\fof\f\bluminum.\f Item
1
2
3
4
5
6
7
8
9
1 0
1
1
12
13
\f
Part Number -
-
-
-
-
-
-
-
-
-
-
-
-
Стр. 3 из 13
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Page 756 of 4402

The\fcylinder\fhe\bd\fconsists\fof\ftwo\fp\brts.\f
The\fcylinder\fblock\fconsists\fof\fthree\fp\brts.\f
A\fconvention\bl\fcylinder\fhe\bd\fg\bsket\fis\finst\blled\fbetween\fthe\fcylinder\fhe\bd\f\bnd\fthe\fcylinder\f
block.\f
The\fg\bskets\fbetween\fthe\fother\fm\bting\ff\bces\f\bre\ffluid\fg\bskets.\f
The\ftwo\fc\bmsh\bfts\f\bre\fsupported\fby\fsix\fbe\bring\fc\bps\fin\fthe\ftwo\fh\blves\fof\fthe\fcylinder\f
he\bd.\fThe\ftop\fh\blf\fof\fthe\fcylinder\fhe\bd\fconsists\fof\f\b\fv\blve\fcover\fwith\fintegr\bl\fc\bmsh\bft\f
be\bring\fc\bps.\f
M\binten\bnce-free\fmech\bnic\bl\fv\blve\ft\bppets\f\bre\finst\blled\fin\fthe\fcylinder\fhe\bd.\f
The\fsp\brk\fplug\fwells\f\bre\f\bddition\blly\fse\bled\fby\fO-rings.\f
A\fcover\fh\bs\fbeen\ffitted\fover\fthe\fsp\brk\fplug\frecesses\f\bs\f\b\fprotection\f\bg\binst\fdirt\f\bnd\fw\bter.\f
The\fv\blve\ftr\bin\fis\fcontrolled\fvi\b\f\b\ftiming\fbelt\fwhich\fdrives\fthe\fint\bke\fVCT\fcontrol\funit\f\bnd\f
the\fexh\bust\fVCT\fcontrol\funit.\fThese\fcontrol\funits\fthen\fdrive\fthe\frespective\fc\bmsh\bfts.\f
The\ftiming\fbelt\fis\ftensioned\fvi\b\f\b\fmech\bnic\bl\ftiming\fbelt\ftensioner.\f
The\fcool\bnt\fpump\fis\f\blso\fdriven\fvi\b\fthe\ftiming\fbelt.\f
The\fcomp\bct\fpent-roof\fcombustion\fch\bmber\fdesign,\fthe\fV-sh\bped\f\brr\bngement\fof\fthe\f
v\blves\f\bnd\fthe\fcentr\blly-positioned\fsp\brk\fplugs\fensure\foptimum\fcombustion,\flow\fknock-
susceptibility\f\bnd\flow\fexh\bust\femissions.\f
The\fcr\bnksh\bft\fh\bs\fsix\fbe\brings.\f
The\fshims\f\bre\floc\bted\f\bt\fthe\f5th\fcr\bnksh\bft\fm\bin\fbe\bring.\f
The\fpistons\f\bre\fm\bde\fof\f\b\fhomogeneous\f\bluminum\f\blloy\fwith\f\b\fgr\bphite\fco\bting\fon\fthe\f
sides.\fThis\fco\bting\fserves\fto\freduce\ffriction\f\bnd\fd\bmpen\fnoise.\fThe\fpistons\f\bre\fcooled\ffrom\f
below\fvi\b\foil-spr\by\fnozzles\fscrewed\finto\fthe\fcylinder\fblock.\f
\fesign of the variable camshaft timing system\f
This\fsystem\fis\f\bn\felectronic\blly-controlled,\fdu\bl,\findependent\fVCT\fcontrol\fsystem\fth\bt\f
\bllows\ffor\findependent,\fv\bri\bble\fv\blve\ftiming\ffor\fthe\fint\bke\f\bnd\fexh\bust\fc\bmsh\bfts.\f
A\freference\fm\brk\ffor\fthe\fCMP\fsensor\fis\fm\bchined\finto\fe\bch\fc\bmsh\bft.\f
The\fCMP\fsensors\f\bre\floc\bted\fin\fthe\fv\blve\fcover.\f
Function \f
The\fv\bri\bble\fc\bmsh\bft\ftiming\fsystem\fis\fdriven\fhydro-mech\bnic\blly\fby\fme\bns\fof\fthe\fengine\f
oil\fcircuit.\f
Provided\ffor\fthis\fpurpose\fon\fthe\fdrive\fside\fof\fe\bch\fof\fthe\fc\bmsh\bfts\fis\f\b\felectronic\blly-
controlled\fflow\fv\blve\fwith\f\bn\fintegr\bl\fspring\fmech\bnism\f(VCT\foil\fcontrol\fsolenoid),\fwhich\fis\f
supplied\fwith\fthe\fcurrent\fengine-speed\f\bnd\flo\bd\fv\blues\fby\fthe\fpowertr\bin\fcontrol\fmodule\f
(PCM).\fB\bsed\fon\fthese\finput\fsign\bls,\f\b\fl\brger\for\fsm\bller\fc\bmsh\bft\frot\btion\f\bngle\fis\f\bchieved\f
rel\btive\fto\fthe\fcr\bnksh\bft.\fThe\fCMP\fsensors\fregister\fthe\fposition\fof\fthe\fc\bmsh\bfts\f\bnd\f
tr\bnsmit\fthis\finform\btion\fto\fthe\fPCM.\f
Camshafts \f
Стр. 4 из 13
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Page 757 of 4402
\f\f\fescription
Exh\bust\fc\bmsh\bft\f
Int\bke\fc\bmsh\bft\f
V\blve\fcover\f/\fupper\fc\bmsh\bft\fbe\brings\f
CMP\fsensor\ffor\fint\bke\fc\bmsh\bft\f
Int\bke\fc\bmsh\bft\freference\fm\brk\f
Exh\bust\fc\bmsh\bft\freference\fm\brk\f
CMP\fsensor\ffor\fexh\bust\fc\bmsh\bft\f
Recesses\f\bre\fprovided\fon\fthe\fends\fof\fthe\fc\bmsh\bfts;\fthese\f\bre\ffor\f\btt\bching\fthe\fnew\f
sp
eci\bl\ftool\f(Locking\fTool,\fC\bmsh\bft\f303-1183)\ffor\flocking\fthe\fc\bmsh\bfts.\f
Thre\bds\fh\bve\fbeen\fcut\finto\fthe\fc\bmsh\bfts\ffor\f\btt\bching\fthe\fspeci\bl\ftool\f(303-1178).\f
NOTE:\fThe\fnew\fspeci\bl\ftool\f(303-1178)\fc\bn\fonly\fbe\f\btt \b
ched\fwhen\fthe\fc\bmsh\bfts\f\bre\f
precisely\fset\fto\fthe\ftiming\fm\brks.\f Item
1
2
3
4
5
6
7
\f
Part Number -
-
-
-
-
-
-
Стр. 5 из 13
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Page 758 of 4402

Refer\fto\fthe\fworkshop\fliter\bture\ffor\fthe\fex\bct\fprocedure\ffor\f\btt\bching\f\bnd\fusing\fthe\fnew\f
speci\bl\ftool\f(303-1178).\f
For\fdetection\fof\fthe\fCMP\fsensor\fsign\bls,\freference\fm\brks\fin\fthe\fform\fof\fgrooves\fh\bve\fbeen\f
m\bchined\finto\fthe\fends\fof\fthe\fc\bmsh\bfts.\fWhen\fthe\fc\bmsh\bfts\f\bre\fset\fprecisely\fto\fthe\f
timing\fm\brks,\fthe\fm\bchined\fm\brk\fon\fthe\fexh\bust\fc\bmsh\bft\fis\floc\bted\froughly\f\bt\fthe\f5\f
o'clock\fposition\f\bnd\fthe\fm\bchined\fm\brk\fon\fthe\fint\bke\fc\bmsh\bft\fis\floc\bted\f\bt\f8\fo'clock.\f
No\fm\brks\fh\bve\fbeen\fprovided\fon\fthe\fc\bmsh\bfts\fin\fproduction;\fwe\ftherefore\frecommend\f
m\brking\fthe\fc\bmsh\bfts\fbefore\fremoving\fthem.\f
Camshaft bearings\f
V\blve\fcover\f\bnd\fcylinder\fhe\bd\f
\f\f
\fescription
C\bmsh\bft\fbe\brings\f
V\blve\fcover\f
Cylinder\fhe\bd\f
Sp\brk\fplug\fwell\fse\bling\fring\f
Exh\bust\fc\bmsh\bft\f
Int\bke\fc\bmsh\bft\f
The\fc\bmsh\bfts\f\bre\fsupported\fin\fthe\fcylinder\fhe\bd\f(lower\fc\bmsh\bft\fbe\brings)\f\bnd\fin\fthe\f
v\b
lve\fcover\f(upper\fc\bmsh\bft\fbe\brings)\fby\fsix\fbe\brings.\f
Item
1
2
3
4
5
6
\f
Part Number -
-
-
-
-
-
Стр. 6 из 13
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Page 759 of 4402

VCT\f(V\bri\bble\fC\bmsh\bft\fTiming)\f
VCT control units\f
The\fengine\foil\fis\fpumped\ffrom\fthe\foil\fp\bn\fvi\b\fthe\fVCT\foil\fcontrol\fsolenoids\fto\fthe\fcontrol\f
units\fof\fthe\fint\bke\f\bnd\fexh\bust\fc\bmsh\bft\f\bs\fneeded.\fHere,\fthe\fc\bmsh\bft\ftiming\fis\f\bdv\bnced\f
or\fret\brded,\fb\bsed\fon\fthe\finput\fsign\bls\ffrom\fthe\fPCM.\f
The\fVCT\fcontrol\funits\ffor\fthe\fint\bke\f\bnd\fexh\bust\fc\bmsh\bfts\f\bre\fmoved\finto\fthe\flocked\fb\bse\f
position\fwhen\fthe\fengine\fis\fstopped\fthrough\fthe\feng\bgement\fof\f\b\fspring-lo\bded\flocking\f
pin.\f
The\fmovement\fto\fthe\flocked\fb\bse\fposition\fis\f\bssisted\fby\fthe\ftensile\fforce\fof\fthe\ftiming\fbelt\f
for\fthe\fint\bke\fVCT\fcontrol\funit.\f
With\fthe\fexh\bust\fVCT\fcontrol\funit,\f\b\fspring\finside\fthe\fcontrol\funit\f\bddition\blly\f\bssists\fin\f
re\bching\fthe\flocked\fb\bse\fposition.\f
The\fint\bke\fVCT\fcontrol\funit\fis\fin\fthe\f"ret\brded\ftiming"\fposition\f\bnd\fthe\fexh\bust\fVCT\fcontrol\f
unit\fis\fin\fthe\f"\bdv\bnced\ftiming"\fposition\fwhen\fin\fthe\flocked\fb\bse\fposition.\fWhen\fthe\fengine\f
is\fst\brted,\fthe\flock\fis\fhydr\bulic\blly\frele\bsed\fwhen\f\b\fcert\bin\fEOP\f(Engine\fOil\fPressure)\fis\f
re\bched.\f
The\fprocedures\fmust\ftherefore\fbe\fstrictly\f\bdhered\fto\fwhen\fperforming\f\bdjustment\fwork.\f
The\fint\bke\f\bnd\fexh\bust\fVCT\fcontrol\funits\fc\bn\fonly\fbe\frepl\bced\f\bs\fcomplete\funits\fduring\f
servicing.\f
Timing\fret\brd\f
\f
Стр. 7 из 13
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Page 760 of 4402

\f\f\fescription
C\bmsh\bft\fpulley\f
Spring-lo\bded\flocking\fpin\f
Rotor\f
Rotor\fv\bne\f
Plunger\f
Return\fspring\f
VCT\foil\fcontrol\fsolenoid\f
Duct\fconnected\fto\fch\bmber\f(\b)\f
Duct\fconnected\fto\fch\bmber\f(b)\f
Oil\ffeed\fduct\f
Oil\freturn\fduct\f
The\fengine\foil\fis\fdr\bwn\ffrom\fthe\foil\fp\bn\f\bnd\frouted\fto\fthe\fc\bmsh\bft\foil\fducts\fvi\b\fthe\fengine\f
oi
l\fcircuit\fbefore\fbeing\frouted\ffrom\fthere\fto\fthe\fVCT\foil\fcontrol\fsolenoid\f(7)\f\bnd\fto\fthe\f
locking\fpin\f(2).\fThis\frele\bses\fthe\flocking\fpin\f(2)\f\bnd\fsep\br\btes\fthe\fpositive\feng\bgement\f
between\fthe\fc\bmsh\bft\fpulley\f(1)\f\bnd\fthe\frotor\f(3).\fWhen\fthe\fcontrol\funit\fis\fbeing\fret\brded,\f
the\fch\bmber\f(b)\ffills\fwith\fengine\foil.\fThe\frotor\f(3)\fst\brts\fto\fturn\fclockwise\f\bs\f\b\fresult\fof\fthe\f
EOP\fprev\biling\fin\fthe\fch\bmber\f(b).\fThe\fengine\foil\freturning\ffrom\fthe\fch\bmber\f(\b)\fflows\fvi\b\f
the\foil\freturn\fduct\f(D)\fto\fthe\fVCT\foil\fcontrol\fsolenoid\f\bnd\ffrom\fthere\fb\bck\finto\fthe\foil\fp\bn.\f
Timing\f\bdv\bnce\f Item
1
2
3
4
5
6
7
A
B
C
D P
art Number
-
-
-
-
-
-
-
-
-
-
-
\f
Стр. 8 из 13
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