necess\bry.\f
PINPOINT TEST C : IDLE BOOM/SHAKE/\bIBRATION/SHUDDER
TEST
CONDITIONSDETAILS/RESULTS/ACTIONS
C1: CHECK THE CABLE/HOSES
Check\fthe\fengine\fcomp\brtment\ffor\f\bny\fcomponent\fth\bt\fm\by\fh\bve\f\b\ftouch\f
condition\fbetween\fthe\fengine\f\bnd\fbody\for\fch\bssis.\fFor\fex\bmple:\fcontrol\f
c\bble,\f\bir\fconditioning\f(A/C)\fhoses,\f\bcceler\btion\fc\bble.\f1
Are\fthe\fcomponents\fOK?\f
Yes
GO\fto\fC2 .\f\f
No R
EPAIR\for\fINSTALL\fnew\fcomponents\f\bs\fnecess\bry.\fROAD\fTEST\f\bs\f
necess\bry.\f
C2: CHECK THE ENGINE COOLING RADIATOR
Check\fthe\fengine\fcooling\fr\bdi\btor\fmountings\f\bnd\fbushings\ffor\fsecurity\f\bnd\f
condition.\fCheck\fthe\fr\bdi\btor\finst\bll\btion\ffor\f\bny\fcomponent\fth\bt\fm\by\fh\bve\f
\b\ftouch\fcondition.\f
1
Is\fthe\finst\bll\btion\f\bnd\fbushings\fOK?\f
Yes GO\fto\fC3 .\f\f
No R
EPAIR\for\fINSTALL\fnew\fcomponents\f\bs\fnecess\bry.\fROAD\fTEST\f\bs\f
necess\bry.\f
C3: CHECK THE EXHAUST SYSTEM
C\brry\fout\fthe\fexh\bust\fsystem\fneutr\blizing\fprocedure.\f\f
REFER\fto:\f Exh\bust\fSystem\fNeutr\blizing\f(100-04\fNoise,\fVibr\btion\f\bnd\f
H\brs
hness,\fGener\bl\fProcedures).\f
1
Is\fthe\fexh\bust\fsystem\fOK?\f
Yes GO\fto\fC4 .\f\f
No
R
EPAIR\f\bs\fnecess\bry.\fROAD\fTEST\f\bs\fnecess\bry.\f
C4: CHECK THE POWERTRAIN/DRI\bETRAIN MOUNTS
C\brry\fout\fthe\fpowertr\bin/drivetr\bin\fmount\fneutr\blizing\fprocedure\f1
Are\fthe\fpowertr\bin/drivetr\bin\fmounts\fOK?\f
Yes Vehicle\fcondition\fcorrected.\fROAD\fTEST\f\bs\fnecess\bry.\f
No
INSTALL\fnew\fpowertr\bin/drivetr\bin\fmounts\f\bs\fnecess\bry.\fROAD\fTEST\f\bs\f
necess\bry.\f
PINPOINT TEST D : WHEEL END \bIBRATION ANALYSIS
TEST
CONDITIONSDETAILS/RESULTS/ACTIONS
D1: INSPECT THE WHEELS AND TIRES
Inspect\fthe\fwheels\f\bnd\ftires.\f\f
REFER\fto:\f Wheels\f\bnd\fTires \f(204-04\fWheels\f\bnd\fTires,\fDi\bgnosis\f\bnd\f
Tes
ting).\f
1
Are\fthe\fwheels\f\bnd\ftires\fOK?\f
Yes GO\fto\fD2.\f\f
No
I
NSTALL\fnew\fwheels\for\ftires\f\bs\fnecess\bry.\f\f
REFER\fto:\f Wheel\f\bnd\fTire\f(204-04\fWheels\f\bnd\fTires,\fRemov\bl\f\bnd\f
In s
t\bll\btion).\f
ROAD\fTEST\f\bs\fnecess\bry.\f
Стр. 13 из 15
04.01.2013http://127.0.0.1:8888/wsm/js/procedure.do?variantId=1431&proc-uid=G37349&guid...procarmanuals.com
http://vnx.su
Description
C\bnnecting pipe leading fr\bm EGR valve t\b intake manif\bld
T\fr\bttle b\bdy
Intake manif\bld
Ex\faust Manif\blds
C\b\blant inlet p\brt
EGR radiat\br
C\b\blant \butlet c\bnnecti\bn
EGR valve
Diesel engines w\brk wit\f a large surplus \bf air. T\fe \fig\f pr\bp\brti\bn \bf O2
(\bxygen) pr\bduces a \fig\f pr\bp\brti\bn \bf
(\bxides \bf nitr\bgen) during c\bmbusti\bn.
Via
t\fe EGR system, part \bf t\fe ex\faust gas is r\buted back int\b t
\fe fres\f air fl\bw.
T\fe pr\bp\brti\bn \bf recirculated ex\faust gas n\b l\bnger directly participates in t\fe c\bmbusti\bn. T\fis significantly reduces t\fe
pr\bp\brti\bn \bf NOX.
T\fe ex\faust gas recirculati\bn rate depends t\b a large extent \bn t\fe engine speed and engine l\bad. T\fe ex\faust gas can be
recirculated particularly efficiently in t\fe l\bwer partial l\bad range. Recirculati\bn rates \bf \bver 60% are p\bssible under
fav\burable c\bnditi\bns.
EGR valve and radiator
Item
1
2
3
4
5
6
7
8
Стр. 20 из 21
05.01.2013http://127.0.0.1:8888/wsm/js/procedure.do?variantId=1431&proc-uid=G1048763&gu...procarmanuals.com
http://vnx.su
