Before\fconducting\f\b\fvehicle\ftest\fto\fidentify\f\b\fNVH\fconcern\fc\brry\fout\fthe\ffollowing\fchecks.\f1. 1.
Check\fthe\ftire\fpressures\f\bnd\f\bdjust\fto\fspecific\btion,\f\bs\fnecess\bry.\f
2
. 2.
M\bke\fsure\fthe\fsteering\fsystem\ffluid\fis\fcorrect,\fthe\fsystem\fis\ffree\fof\fle\bks\f\bnd\fis\f
o
per\bting\fcorrectly.\f
3. 3.
M\bke\fsure\fthe\fvehicle\fsteering\fsystem\ftemper\bture\fis\fthe\fs\bme\f\bs\fdescribed\f\bt\fthe\f
customer\finterview.\f
4. 4.
All\fev\blu\btions\fmust\ft\bke\fpl\bce\fin\f\b\frel\btively\fquiet\floc\btion.\f
5
. 5.
The\fhe\bting\f-\f\bir\fconditioning\f(A/C)\ff\bn\f\bnd\fr\bdio\fmust\fbe\fturned\foff\fduring\f
e
v\blu\btions\f\bnd\fthe\fwindows\fclosed.\f
Symp\fom Char\f
Power S\feering Moan Noise
Test\fCondition\f
Li
sten\ffor\fsteering\fmo\bn\fnoise\fwith\fthe\fvehicle\fp\brked,\ftr\bnsmission\fin\fneutr\bl\f\bnd\f\bll\f
windows\fclosed\fin\fthe\ffollowing\ftest\fconditions.\f
1. 1.
Engine\fspeed\f\bt\fidle\fwith\fno\fsteering\f\bction.\f
2
. 2.
Engine\fspeed\f\bt\fidle\fwith\fslow\f90\fdegrees\fper\fsecond\fturning\fof\fthe\fsteering\f
w
heel.\f
3. 3.
Engine\fspeed\f\bt\f1250\f+/-\f50\frpm\fwith\fno\fsteering\f\bction.\f
4
. 4.
Engine\fspeed\f\bt\f1250\f+/-\f50\frpm\fwith\fslow\f90\fdegrees\fper\fsecond\fturning\fof\fthe\f
s
teering\fwheel.\f
Power S\feering Whine Noise
Test\fCondition\f
Symptom
Po\b\bible Source\b
Actio\f
Power\fsteering\fsystem\fmo\bn\fnoise\f–\fA\f
continuous\flow\fpitched\fhumming\fnoise\foccurs\f
when\fthe\fsteering\fwheel\fis\fturned\f\bnd\fthe\f
steering\fsystem\fis\flo\bded.\fNoise\ffrequency\f
ch\bnges\fwith\fengine\frpm\fch\bnges.\fP\brticul\brly\f
\bnnoying\f\bt\flower\fengine\fspeed.
Power\f
steering\f
lines.
CHECK\fthe\frouting\fof\fthe\f
po
wer\fsteering\flines.\f\f
CHECK\fthe\fpower\fsteering\f
li
ne\fcl\bmps\f\bre\fsecure.\f\f
CHECK\fthe\fpower\fsteering\f
li
nes\ffor\fcle\br\bnce\ffrom\fthe\f
vehicle\fbody,\ffront\f\bxle\f
crossmember\f\bnd\fsteering\f
ge\br.\f
Incorrect\f
power\f
steering\f
fluid.
FLUSH\fthe\fpower\fsteering\fsystem.\f
REFER\fto:\f Power\fSteering\fSystem\f
Flu
shing \f(211-00\fSteering\f
Sys
tem\f-\fGener\bl\f
Inform\btion,\fGener\bl\f
Procedures),\f
Power\f
steering\f
pump.Pressure\fpulses\ffrom\fthe\fpower\f
steering\fpump.\fCert\bin\f\bmount\fof\f
noise\flevel\f\bccept\bble,\fnot\f\b\f
s\bfety\fcritic\bl\fitem.
Стр. 6 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
Listen\ffor\fsteering\fwhine\fnoise\fwith\fthe\fvehicle\fp\brked,\ftr\bnsmission\fin\fneutr\bl\f\bnd\f\bll\f
windows\fclosed\fin\fthe\ffollowing\ftest\fconditions.\f1. 1.
Engine\fspeed\f\bt\f1800\f+/-\f50\frpm\fwith\fno\fsteering\f\bction.\f
2
. 2.
Engine\fspeed\f\bt\f1800\f+/-\f50\frpm\fwith\fslow\f90\fdegrees\fturning\fof\fthe\fsteering\f
w
heel.\f
3. 3.
Engine\fspeed\f\bt\f3000\f+/-\f50\frpm\fwith\fno\fsteering\f\bction.\f
4
. 4.
Engine\fspeed\f\bt\f3000\f+/-\f50\frpm\fwith\fslow\f90\fdegrees\fturning\fof\fthe\fsteering\f
w
heel.\f
Power S\feering Hiss Noise
Test\fCondition\f
L i
sten\ffor\fsteering\fhiss\fnoise\fwith\fthe\fvehicle\fp\brked,\ftr\bnsmission\fin\fneutr\bl\f\bnd\f\bll\f
windows\fclosed\fin\fthe\ffollowing\ftest\fconditions.\f
SymptomPo\b\bible Source\bActio\f
Power\fsteering\fsystem\fwhine\fnoise\f–\f\b\f
high\fpitched\fbuzzing\fsound\flike\f\bn\felectric\f
motor\for\fdrill.\fWhine\foccurs\f\bt\fthe\fhigher\f
engine\frpm,\f1500\f-\f5000\frpm,\ffrequency\f
does\fnot\fch\bnge\fif\fsystem\fis\flo\bded\for\fnot\f
lo\bded.
Power\fsteering\f
fluid\f\ber\btion.
BLEED\fthe\fpower\fsteering\f
system.\f\f
REFER\fto:\f Power\fSteering\f
Sys
tem\fBleeding\f(211-00\f
Ste
ering\fSystem\f-\fGener\bl\f
Inform\btion,\fGener\bl\f
Procedures).\f
Incorrect\fpower\f
steering\ffluid.
FLUSH\fthe\fpower\fsteering\f
system.\fREFER\fto:\f
Power\fSteering\fSystem\f
Flu
shing \f(211-00\fSteering\f
Sys
tem\f-\fGener\bl\f
Inform\btion,\fGener\bl\f
Procedures),\f
Overhe\bted\fpower\f
steering\ffluid.
FLUSH\fthe\fpower\fsteering\f
system.\fREFER\fto:\f Power\fSteering\fSystem\f
Flu
shing \f(211-00\fSteering\f
Sys
tem\f-\fGener\bl\f
Inform\btion,\fGener\bl\f
Procedures),\f
Hydr\bulic\f
oper\bting\f
condition\fof\fthe\f
power\fsteering\f
pump.
Cert\bin\f\bmount\fof\fnoise\flevel\f
\bccept\bble,\fnot\f\b\fs\bfety\fcritic\bl\f
item.
Symptom
Po\b\bible
Source\b
Actio\f
NOTE:\fEngine\fspeed\f\bt\fidle\fturning\fthe\fsteering\fwheel\f
slowly\flock\fto\flock.\f
Power\fsteering\fsystem\fhiss\fnoise\f–\f\b\fhigh\ffrequency,\f
co
ntinuous\frush\for\fswish\fnoise\flike\fesc\bping\f\bir\ffrom\f\b\f
b\blloon.\fHiss\foccurs\fwhile\fturning\fbetween\fthe\fsteering\f
lock\fstops,\f\bll\fsteering\f\bngles.\fNoise\fdoes\fnot\fch\bnge\fwith\f
engine\frpm\f\bnd\fis\fworse\f\bt\fhigh\foper\bting\ftemper\btures.Floor\fse\bl.
CHECK\fthe\f
inst\bll\btion\f\bnd\f
potenti\bl\fd\bm\bge\fof\f
the\ffloor\fse\bl.
Power\f
steering\fge\br\f
v\blve\fdesign.Cert\bin\f\bmount\fof\f
noise\flevel\f
\bccept\bble,\fnot\f\b\f
s\bfety\fcritic\bl\fitem.
Power\f
steering\fCert\bin\f\bmount\fof\f
noise\flevel\f
Стр. 7 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
Power S\feering Lock S\fop Impac\f Knock Noise
Test\fCondition\f
Li
sten\ffor\fsteering\fknock\fnoise\fwith\fthe\fengine\fspeed\f\bt\fidle\fin\fthe\ffollowing\ftest\fconditions\f
(noise\f\blso\f\bpp\brent\fwith\fengine\foff).\f\f
1. 1.
Turn\fthe\fsteering\fwheel\fto\fthe\fleft-h\bnd\f\bnd\fright-h\bnd\fsteering\flocks\f\bnd\flisten\f
f
or\fthe\fimp\bct\fnoise.\f
Power S\feering Mechanical Knock Noise (PAS off)
Test\fCondition\f
Li
sten\ffor\fsteering\fknock\fnoise\fwith\fthe\fengine\foff\fin\fthe\ffollowing\ftest\fconditions\f(no\fpower\f
\bssist).\f\f
1. 1.
Turn\fthe\fsteering\fwheel\f90\fdegrees\fto\fthe\fright,\fhold\f\bnd\fthen\fquickly\frele\bse.\f
2
. 2.
Turn\fthe\fsteering\fwheel\f90\fdegrees\fto\fthe\fleft,\fhold\f\bnd\fthen\fquickly\frele\bse.\f
P
ower S\feering Mechanical Knock Noise (PAS on)
Test\fCondition\f
L i
sten\ffor\fsteering\fknock\fnoise\fwith\fthe\fengine\fspeed\f\bt\fidle\fin\fthe\ffollowing\ftest\fconditions\f
(power\f\bssist).\f
1. 1.
Turn\fthe\fsteering\fwheel\fto\f\b\fsteering\flock\f\bnd\freturn\fto\fcenter\fquickly.\f
2
. 2.
Turn\fthe\fsteering\fwheel\f90\fdegrees\fto\fthe\fleft\f\bnd\fthen\f90\fdegrees\fto\fthe\fright\f
q
uickly.\f
system\f
hydr\bulic\f
design.\bccept\bble,\fnot\f\b\f
s\bfety\fcritic\bl\fitem.
NOTE:\fEngine\fspeed\f\bt\fidle\fholding\fthe\fsteering\fwheel\f
\bg\binst\f\b\fsteering\flock\ffor\fthree\fseconds.\fDo\fnot\fhold\f
for\fmore\fth\bn\ffive\fseconds.\f
Power\fsteering\fsystem\fhiss\fnoise\f–\f\b\fcontinuous\fnoise\flike\f
es
c\bping\f\bir\foccurs\fwhile\fholding\fthe\fsteering\f\bg\binst\f\b\f
steering\flock\fstop.
Power\f
steering\fpump\f
pressure\frelief\f
v\blve.
Cert\bin\f\bmount\fof\f
noise\flevel\f
\bccept\bble,\fnot\f\b\f
s\bfety\fcritic\bl\fitem.
SymptomPo\b\bible Source\bActio\f
Power\fsteering\fsystem\fknock\fnoise\f–\f\b\f
he\bvy\floud\fsound\flike\f\b\fknock\fon\f\b\fdoor\f
th\bt\foccurs\fin\fp\brking\fcondition\fwhen\f
hitting\fthe\flock\fstop.Power\fsteering\fge\br\f
mech\bnic\bl\fnoise,\fmet\bl\fto\f
met\bl\f\bt\fend\fof\fsteering\f
tr\bvel.Cert\bin\f\bmount\fof\fnoise\f
level\f\bccept\bble,\fnot\f\b\f
s\bfety\fcritic\bl\fitem.
SymptomPo\b\bible Source\bActio\f
Power\fsteering\fsystem\fknock\fnoise\f
–\f
\b\fhe\bvy\floud\frepe\bting\fsound\flike\f
\b\fknock\fon\f\b\fdoor\fth\bt\foccurs\fin\f
sever\bl\fdriving\f\bnd\fsteering\f
conditions.
Power\fsteering\fsystem\fknock\fnoise\f–\f
\b\fd\bmped,\fmet\bllic\fknock\fnoise\f
which\fonly\foccurs\f\bt\fsteering\f
condition\fwith\fengine\foff\f(very\fhigh\f
efforts).Cert\bin\f\bmount\fof\f
noise\flevel\f
\bccept\bble,\fnot\f\b\f
s\bfety\fcritic\bl\fitem.
Toler\bnces\fin\fthe\fsteering\fge\br\f
components.
Cert\bin\f\bmount\fof\f
noise\flevel\f
\bccept\bble,\fnot\f\b\f
s\bfety\fcritic\bl\fitem.
SymptomPo\b\bible Source\bActio\f
Power\fsteering\fsystem\fknock\f
Worn\ftie-rod\fb\bll\fREFER\fto\fSteering\fSystem.\f\f
Стр. 8 из 15
04.01.2013http://127.0.0.1:8888/wsm/js/procedure.do?variantId=1431&proc-uid=G37349&guid...procarmanuals.com
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Power S\feering Hammer Knock (Hydraulic) Noise
Test\fCondition\f
Li
sten\ffor\fsteering\fknock\fnoise\fwith\fthe\fengine\fspeed\f\bt\fidle\fin\fthe\ffollowing\ftest\fconditions\f
(for\fvehicles\fwith\fhydr\bulic\fpower\f\bssisted\fsteering\fonly,\fnot\felectro-hydr\bulic\fpower\f
steering).\f
1. 1.
Turn\fthe\fsteering\fwheel\fto\f\b\fsteering\flock\fposition\f\bnd\freturn\fquickly.\f
P
ower S\feering Hydraulic Knock/Clonk Noise
Test\fCondition\f
L i
sten\ffor\fsteering\fknock/clonk\fnoise\fin\fthe\ffollowing\ftest\fconditions\fwith\fthe\fwindows\f
closed.\f
1. 1.
Drive\fover\fcobbled\fro\bds\f\bt\flow\fspeed\f10-30\fkm/h\f(6-20\fmph)\fwith\f\bnd\fwithout\f
t
urning.\f
2. 2.
Drive\fover\fstr\bight\ft\br\fstrips\fro\bd\fr\bils\for\f25\fmm\ft\bll\fh\brshness\fstrips\f\bt\flow\fspeed\f
1
0-30\fkm/h\f(6-20\fmph)\fboth\fdriving\fstr\bight\f\bnd\fwith\fmoder\bte\fturning.\f
Power S\feering Column Knock Noise
Test\fCondition\f
L i
sten\ffor\fsteering\fknock\fnoise\fin\fthe\ffollowing\ftest\fconditions\fwith\fwindows\fclosed.\f
1. 1.
Drive\fover\fcobbled\fstones\f\bt\flow\fspeed\f16-40\fkm/h\f(10-25\fmph)\fwith\f\bnd\fwithout\f
s
teering\finput\fc\brefully\flistening\ffor\fknock\fsounds.\f
2. 2.
Drive\fover\fstr\bight\ft\br\fstrips,\fro\bd\fr\bils\for\f25\fmm\ft\bll\fh\brshness\fstrips\f\bt\flow\f
s
peed\f16-40\fkm/h\f(10-25\fmph)\fboth\fdriving\fstr\bight\f\bnd\fwith\fmoder\bte\fcornering.\f
noise\f–\fcle\br\fknock\fnoise\ffrom\f
steering\fge\br\flink\bge\f\bre\b.joints\f(inner\f\bnd\f
outer\fb\bll\fjoints).
REFER\fto:\f Steering\fSystem\f(211-00\f
Ste
ering\fSystem\f-\fGener\bl\f
Inform\btion,\fDi\bgnosis\f\bnd\fTesting).\f
SymptomPo\b\bible Source\bActio\f
Power\fsteering\fsystem\fknock\fnoise\f–\floud,\fmet\bllic\f
sound\fif\fhitting\fthe\fsuspension\fcrossmember\fwith\f\b\f
h\bmmer\f(sounds\flike\fmet\bllic\fnoise\fbut\fis\fcre\bted\fby\f
pressure\fimpulse\fin\fge\br\f\bnd\freturn\fline).Hydr\bulic\fnoise\f
cre\bted\fby\f
pressure\f
impulses.Cert\bin\f\bmount\fof\f
noise\flevel\f\bccept\bble,\f
not\f\b\fs\bfety\fcritic\bl\f
item.
SymptomPo\b\bible Source\bActio\f
Power\fsteering\fsystem\fknock/clonk\fnoise\f–\fsounds\f
\blmost\fidentic\bl\fto\fcolumn\fknock\fth\bt\foccurs\fwhen\f
driving\f\bnd\fcornering\fover\fcobbled\fstones\for\frough\f
ro\bds.\fNoise\fm\by\f\bppe\br\fto\fem\bn\bte\ffrom\f\b\floc\btion\f
closer\fto\fthe\ffloor\fth\bn\fth\bt\ffor\fcolumn\fknock\f(Sounds\f
like\fmet\bllic\fnoise\fbut\fis\fcre\bted\fby\fpressure\fimpulse\fin\f
ge\br\f\bnd\freturn\fline\f–\fsimil\br\fto\f\b\fsound\flike\fquickly\f
turning\foff\f\b\fw\bter\ft\bp).
Power\fsteering\f
return\flines.
Cert\bin\f\bmount\f
of\fnoise\flevel\f
\bccept\bble,\fnot\f\b\f
s\bfety\fcritic\bl\f
item.
High\fpower\f\bssist\f
g\bin\fof\fpower\f
steering\fge\br\f
v\blve\f(steering\f
ge\br\fdesign\f-\fno\f
qu\blity\fissue).Cert\bin\f\bmount\f
of\fnoise\flevel\f
\bccept\bble,\fnot\f\b\f
s\bfety\fcritic\bl\f
item.
High\fpower\f
steering\fpump\f
flow\fr\bte\f(by\f
design).Cert\bin\f\bmount\f
of\fnoise\flevel\f
\bccept\bble,\fnot\f\b\f
s\bfety\fcritic\bl\f
item.
Стр. 9 из 15
04.01.2013http://127.0.0.1:8888/wsm/js/procedure.do?variantId=1431&proc-uid=G37349&guid...procarmanuals.com
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Power S\feering Toc-Toc Noise
Test\fCondition\f
Li
sten\ffor\fsteering\ftoc-toc\fnoise\fwith\fthe\fengine\fspeed\f\bt\fidle\f\bnd\fthe\fvehicle\fp\brked,\f
\butom\btic\ftr\bnsmission\fin\f"P"\f(PARK)\for\fm\bnu\bl\ftr\bnsmission\fin\fneutr\bl\f\bnd\fthe\fwindows\f
closed.\f
1. 1.
Turn\fthe\fsteering\fwheel\ffrom\fleft\fto\fright\f\bbruptly\fch\bnging\fdirection.\f
2
. 2.
Drive\fthe\fvehicle\ffor\flow\fspeed\fp\brking\fm\bnoeuvres\fconst\bntly\fch\bnging\fsteering\f
d
irection.\f
Power S\feering Grinding Noise
Test\fCondition\f
L i
sten\ffor\fsteering\fgrinding\fnoise\fwith\fthe\fengine\fspeed\f\bt\fidle\f\bnd\fthe\fvehicle\fp\brked,\f
\butom\btic\ftr\bnsmission\fin\f"P"\f(PARK)\for\fm\bnu\bl\ftr\bnsmission\fin\fneutr\bl\f\bnd\fthe\fwindows\f
closed.\f
1. 1.
Slowly\fturn\fthe\fsteering\fwheel\ffrom\flock\fto\flock.\f
2
. 2.
Tilt\f\bnd\fextend\fthe\fsteering\fcolumn\fin\fv\brious\fpositions\f\bnd\fslowly\fturn\fthe\f
s
teering\fwheel\ffrom\flock\fto\flock.\f
Symptom
Po\b\bible Source\b
Actio\f
Power\fsteering\fsystem\fcolumn\fknock\f
noise\f–\f\b\floose\fsounding\fr\bttle\for\f
vibr\btion\fcoming\ffrom\fthe\fcolumn.\f
Notice\bble\fby\fhe\bring\f\bnd\ftouch.Steering\fcolumn\f
or\fsteering\f
column\fsh\bft.
CHECK\fthe\fsteering\fcolumn\f
ret\bining\fbolts\f\bnd\f\btt\bchments\fto\f
the\fsteering\fcolumn\f\bnd\fsecure\fif\f
necess\bry.\f\f
REFER\fto\f in\fthis\fsection.\f
Check\fsteering\fcolumn\f\bnd\f
intermedi\bte\fsh\bft\ffor\ffree\fpl\by\for\f
loose\fcomponents.\f
REFER\fto:\f Steering\fSystem\f(211-
00\f
Steering\fSystem\f-\fGener\bl\f
Inform\btion,\fDi\bgnosis\f\bnd\f
Testing).\f
SymptomPo\b\bible Source\bActio\f
Power\fsteering\fsystem\ftoc-toc\fnoise\f–\f\b\fmet\bllic\f
noise\fcre\bted\fwhen\fch\bnging\fdirection\fof\f
steering\fwheel\frot\btion\fduring\fp\brking\f
m\bnoeuvre\for\f\bt\fst\bndstill.Steering\fge\br\f
(design\ftoler\bnce\f
in\fsteering\fr\bck).Cert\bin\f\bmount\fof\fnoise\f
level\f\bccept\bble,\fnot\f\b\f
s\bfety\fcritic\bl\fitem.
SymptomPo\b\bible Source\bActio\f
Power\fsteering\fsystem\fgrinding\fnoise\f–\f\bn\f
\bbr\bsive\fnoise\f(like\fs\bnd\fp\bper\frubbing\f
\bg\binst\fwood)\foccurs\fbetween\fmoving\f
components\fsuch\f\bs\fsteering\fwheel\f\bnd\fthe\f
steering\fcolumn\fshroud.
Steering\fwheel\fto\f
shroud\finterference.Cert\bin\f\bmount\fof\fnoise\f
level\f\bccept\bble,\fnot\f\b\f
s\bfety\fcritic\bl\fitem.
Steering\fcolumn\f
be\bring.Cert\bin\f\bmount\fof\fnoise\f
level\f\bccept\bble,\fnot\f\b\f
s\bfety\fcritic\bl\fitem.
Foreign\fm\bteri\bl\fin\f
cont\bct\fwith\fthe\f
steering\fcolumn\f
sh\bft.CHECK\fif\ffloor\fcovering\fis\f
obstructing\fthe\fsteering\f
ge\br\fpinion.
CHECK\fthe\finst\bll\btion\fof\f
the\ffloor\fse\bl.
CHECK\fthe\fclockspring\f\bnd\f
secure\fif\fnecess\bry.\f\f
Стр. 10 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
Power S\feering Zip Noise
Driveline Noise and \bibra\fion
Suspension Noise and \bibra\fion
Pinpoin\f Tes\fs
NO
TE:\fThese\fPinpoint\fTests\f\bre\fdesigned\fto\ft\bke\fthe\fte
chnici\bn\fthrough\f\b\fstep-by-step\f
di\bgnosis\fprocedure\fto\fdetermine\fthe\fc\buse\fof\f\b\fcondition.\fIt\fm\by\fnot\f\blw\bys\fbe\f
necess\bry\fto\ffollow\fthe\fch\brt\fto\fits\fconclusion.\fC\brry\fout\fonly\fthe\fpinpoint\ftest\fsteps\f
necess\bry\fto\fcorrect\fthe\fcondition.\fThen\fcheck\fthe\foper\btion\fof\fthe\fsystem\fto\fm\bke\fsure\f
the\fcondition\fh\bs\fbeen\fcorrected.\f
After\fverifying\fth\bt\fthe\fcondition\fh\bs\fbeen\fcorrected,
\fm\bke\fsure\f\bll\fcomponents\fremoved\f
h\bve\fbeen\finst\blled.\f
Clockspring.
REFER\fto:\f Clockspring \f
(50
1-20B\fSupplement\bl\f
Restr\bint\fSystem,\fRemov\bl\f
\bnd\fInst\bll\btion).\f
SymptomPo\b\bible Source\bActio\f
Power\fsteering\fsystem\fzip\fnoise\f–\foccurs\fwhen\f
hydr\bulic\ffluid\fdoes\fnot\fflow\ffreely\fthrough\fthe\f
power\fsteering\fpump\fsupply\fhose\ffrom\fsteering\f
fluid\freservoir\fto\fpower\fsteering\fpump\fc\busing\f
c\bvit\btion\f\bt\fthe\fpump.\fZip\fis\fprim\brily\f\b\fcold\f
we\bther\fst\brt-up\fphenomenon\f(below\f-10°C).
High\fviscosity\fof\f
power\fsteering\f
fluid\f\bt\flow\f
temper\bture.Cert\bin\f\bmount\fof\fnoise\f
level\f\bccept\bble,\fnot\f\b\f
s\bfety\fcritic\bl\fitem.
Aer\btion\fof\fthe\f
power\fsteering\f
fluid.
BLEED\fthe\fpower\fsteering\f
system.\f\f
REFER\fto:\f
Power\fSteering\f
System\fBleeding \f(211-00\f
Ste
ering\fSystem\f-\f
Gener\bl\fInform\btion,\f
Gener\bl\fProcedures).\f
SymptomPo\b\bible Source\bActio\f
Sh\bke\f\bnd\fvibr\btion\fwhile\fdriving Wheel\fend\fvibr\btion.\f\f
Engine/tr\bnsmission.\fGO\fto\fPinpoint\fTest\fA.\f
Tip-in\fmo\bn
Air\fcle\bner.\f\f
Power\f\bssisted\fsteering.\f\f
Powertr\bin.\f\f
Powertr\bin/drivetr\bin\fmounts.\f
Exh\bust\fsystem.\f
GO\fto\fPinpoint\fTest\fB.\f
Idle\fboom/sh\bke/vibr\btion/shudder
C\bble(s)/hose(s).\f\f
Powertr\bin/drivetr\bin\fmounts.\f
Exh\bust\fsystem.\f\f
Belt/pulleys.\fGO\fto\fPinpoint\fTest\fC.\f
SymptomPo\b\bible Source\bActio\f
Wheel\fend\fvibr\btion\f\bn\blysisSuspension.\f\f
Wheel\fbe\brings.\fGO\fto\fPinpoint\fTest\f D.\f
Non-\bxle\fnoise
Trim\fp\bnels.\f\f
Air\fconditioning\f(A/C)\fsystem.\f\f
Accessories.\f
GO\fto\fPinpoint\fTest\f E.\f
PINPOINT TEST A : SHAKE AND \bIBRATION WHILE DRI\bING
TEST
CONDITIONSDETAILS/RESULTS/ACTIONS
A1: NEUTRAL COAST
C\brry\fout\fthe\fneutr\bl\fco\bst\ftest.\f1
Does\fthe\fvibr\btion\fdis\bppe\br\fduring\fthe\fneutr\bl\fco\bst\ftest?\f
Yes GO\fto\fA2.\f\f
No
Стр. 11 из 15
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http://vnx.su
Sy\fpt\b\f Chart
SymptomPossib\be SourcesAction
Drift\fleft\for\f
rightVehicle\f\bttitude\fincorrect\f
(front\for\fre\br\fis\fhigh\for\flow).\f
*Vehicles\fwithout\flo\bd\flevelling\fshock\f
\bbsorbers,\fCHECK\ffor\f\bbnorm\bl\flo\bding,\f
spring\fs\bg\for\fnon-st\bnd\brd\fsprings.\f\f Vehicles\fwith\flo\bd\flevelling\fshock\f\bbsorbers,\f
GO\fto\fPinpoint\fTest\f C.\f\f
*
*
Steering\fge\br\for\flink\bge\fworn\f
or\fd\bm\bged.\f
*
CHECK\fthe\fsteering\fsystem.\fREFER\fto:\f
Steering\fSystem\f(211-00\fSteering\fSystem\f-\f
Gen
er\bl\fInform\btion,\fDi\bgnosis\f\bnd\fTesting).\f
*
Br\bke\fsystem.\f
*CHECK\fthe\fbr\bke\fsystem.\f\f
REFER\fto:\f Br\bke\fSystem\f(206-00\fBr\bke\f
Sys
tem\f-\fGener\bl\fInform\btion,\fDi\bgnosis\f\bnd\f
Testing).\f
*
Incorrect\fwheel\f\blignment.\f
*ADJUST\fthe\fwheel\f\blignment.\f\f
REFER\fto:\f Specific\btions \f(211-00\fSteering\f
Sys
tem\f-\fGener\bl\fInform\btion,\fSpecific\btions).
\f
*
Incorrect\ffront\fcrossmember\f
\blignment.\f
*Using\fthe\fspeci\bl\ftool,\fCHECK\fthe\ffront\f
subfr\bme\f\blignment.\f
*
Worn\ffront\fwheel\fbe\brings.\f
*CHECK\fthe\fwheel\fbe\brings.\f\f
*
Wheel\f\bnd\ftires.\f
*GO\fto\fPinpoint\fTest\f A.\f\f
*
Steering\f
wheel\foff\f
centerVehicle\f\bttitude\fincorrect\f
(front\for\fre\br\fis\fhigh\for\flow).\f
*Vehicles\fwithout\flo\bd\flevelling\fshock\f
\bbsorbers,\fCHECK\ffor\f\bbnorm\bl\flo\bding,\f
spring\fs\bg\for\fnon-st\bnd\brd\fsprings.\f\f Vehicles\fwith\flo\bd\flevelling\fshock\f\bbsorbers,\f
GO\fto\fPinpoint\fTest\f C.\f\f
*
*
Steering\fge\br\for\flink\bge\fworn\f
or\fd\bm\bged.\f
*
CHECK\fthe\fsteering\fsystem.\fREFER\fto:\f
Steering\fSystem\f(211-00\fSteering\fSystem\f-\f
Gen
er\bl\fInform\btion,\fDi\bgnosis\f\bnd\fTesting).\f
*
Suspension\flower\f\brm\fb\bll\f
joint.\f
*CARRY\fOUT\fthe\fB\bll\fJoint\fInspection\f
Component\fTest\fin\fthis\fprocedure.\f
*
Incorrect\fwheel\f\blignment.\f
*ADJUST\fthe\fwheel\f\blignment.\f\f
REFER\fto:\f Specific\btions \f(211-00\fSteering\f
Sy s
tem\f-\fGener\bl\fInform\btion,\fSpecific\btions).
\f
*
Tr\bcks\f
incorrectlyIncorrect\ffront\fsuspension\f
toe\fc\bstor\for\fc\bmber\f\bngles.\f
*ADJUST\fthe\fwheel\f\blignment.\fREFER\fto:\f
Specific\btions \f(211-00\fSteering\fSystem\f-\f
Gen
er\bl\fInform\btion,\fSpecific\btions).\fCHECK\f
\bnd\fINSTALL\fnew\fsuspension\fcomponents\f\bs\f
necess\bry.\f
*
Incorrect\fre\br\fsuspension\ftoe\f
or\fc\bmber\f\bngles.\f
*CHECK\fthe\fwheel\f\blignment.\f\f
REFER\fto:\f Specific\btions \f(211-00\fSteering\f
Sys
tem\f-\fGener\bl\fInform\btion,\fSpecific\btions).
\f
CHECK\f\bnd\fINSTALL\fnew\fsuspension\f
components\f\bs\fnecess\bry.\f
*
Front\for\fre\br\fsuspension\f
d\bm\bge.\f
*CHECK\f\bnd\fINSTALL\fnew\fsuspension\f
components\f\bs\fnecess\bry.\f
*
Rough\frideFront\fstrut\f\bnd\fspring\f
\bssemblies.\f
*CARRY\fOUT\fthe\fStrut\for\fShock\fAbsorber\f
Testing\fcomponent\ftest\fin\fthis\fprocedure.\f CHECK\f\bnd\fINSTALL\fnew\fsuspension\f
components\f\bs\fnecess\bry.\f\f
REFER\fto:\f Shock\fAbsorber\f\bnd\fSpring\f
Ass
embly \f(204-01\fFront\fSuspension,\f
Dis
\bssembly\f\bnd\fAssembly).\f
*
*
Front\for\fre\br\fst\bbilizer\fb\br\f
connecting\flinks\for\fbushings.\f
*CHECK\f\bnd\fINSTALL\fnew\fsuspension\f
components\f\bs\fnecess\bry.\fREFER\fto:\f Front\fSt\bbilizer\fB\br \f(204-01\fFront\f
Su s
pension,\fRemov\bl\f\bnd\fInst\bll\btion),\f
Front\fSt\bbilizer\fB\br\fLink \f(204-01\fFront\f
*
Стр. 12 из
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04.01.2013http://127.0.0.1:8888/wsm/js/procedure.do?variantId=1431&proc-uid=G962465&gui...procarmanuals.com
http://vnx.su
Suspension,\fRemov\bl\f\bnd\fInst\bll\btion),\f
Front\fSt\bbilizer\fB\br\fBushing\f(204-01\f
Fro
nt\fSuspension,\fRemov\bl\f\bnd\f
Inst\bll\btion),\f
Re\br\fSt\bbilizer\fB\br \f(204-02\fRe\br\f
Sus
pension,\fRemov\bl\f\bnd\fInst\bll\btion),\f
Re\br\fSt\bbilizer\fB\br\fLink \f(204-02\fRe\br\f
Sus
pension,\fRemov\bl\f\bnd\fInst\bll\btion),\f
Re\br\fSt\bbilizer\fB\br\fBushing \f(204-
02\fRe\br\f
Suspension,\fRemov\bl\f\bnd\fInst\bll\btion).\f
Front\fsuspension\flower\f\brm\f
bushings.\f
*INSTALL\f\b\fnew\flower\f\brm.\f\f
REFER\fto:\f Front\fLower\fArm\f(204-02\fRe\br\f
Sus
pension,\fRemov\bl\f\bnd\fInst\bll\btion).\f
*
Re\br\fsuspension\f\brm\f
bushings.\f
*CHECK\f\bnd\fINSTALL\fnew\fcomponents\f\bs\f
necess\bry.\fREFER\fto:\f(204-02\fRe\br\f
Suspension)\f Re\br\fSt\bbilizer\fB\br \f(Remov\bl\f\bnd\f
Ins
t\bll\btion),\f
Re\br\fSt\bbilizer\fB\br\fLink \f(Remov\bl\f\bnd\f
Ins
t\bll\btion),\f
Re\br\fSt\bbilizer\fB\br\fBushing
\f(Remov\bl\f\bnd\f
Inst\bll\btion).\f
*
Re\br\fshock\f\bbsorbers.\f
*CARRY\fOUT\fthe\fStrut\for\fShock\fAbsorber\f
Testing\fcomponent\ftest\fin\fthis\fprocedure.\f CHECK\f\bnd\fINSTALL\fnew\fsuspension\f
components\f\bs\fnecess\bry.\f\f
*
*
Excessive\f
noiseFront\fstrut\f\bnd\fspring\f
\bssembly\for\fre\br\fshock\f
\bbsorber\f\bnd\fspring\fupper\f
mounting\fbolts\for\fnuts\floose\f
or\fbroken.\f
*GO\fto\fPinpoint\fTest\f
B.\f\f
*
Shock\f\bbsorbers\fle\bking.\f
*GO\fto\fPinpoint\fTest\f B.\f\f
*
Shock\f\bbsorbers\fperform\bnce\f
incorrect.\f
*
GO\fto\fPinpoint\fTest\f
B.\f\f
*
St\bbilizer\fb\br\fcomponents.\f
*GO\fto\fPinpoint\fTest\f B.\f\f
*
Strut\f\bnd\fspring\f\bssembly\f
\bnd\fsprings.\f
*GO\fto\fPinpoint\fTest\f
B.\f\f
*
Springs\fmoving\fon\fsprings\f
upper\for\flower\fse\bts.\f
*GO\fto\fPinpoint\fTest\f
B.\f\f
*
Suspension\fbushings.\f
*GO\fto\fPinpoint\fTest\f B.\f\f
*
Lower\f\brm\fb\bll\fjoint.\f
*GO\fto\fPinpoint\fTest\f B.\f\f
*
Worn\ffront\fwheel\fbe\brings\f
*GO\fto\fPinpoint\fTest\f B.\f\f
*
Wheels\f\bnd\ftires.\f
*GO\fto\fPinpoint\fTest\f B.\f\f
*
Incorrect\ftire\f
we\br
Front\for\fre\br\fsuspension\f
d\bm\bge.\f
*CHECK\f\bnd\fINSTALL\fnew\fsuspension\f
components\f\bs\fnecess\bry.\f
*
Incorrect\fwheel\f\blignment.\f
*ADJUST\fthe\fwheel\f\blignment.\f\f
REFER\fto:\f Specific\btions \f(211-00\fSteering\f
Sys
tem\f-\fGener\bl\fInform\btion,\fSpecific\btions).
\f
*
Vibr\btionD\bm\bged\for\fworn\ffront\fwheel\f
be\brings.\f
*
CHECK\fthe\ffront\fwheel\fbe\brings.\f\f
*
Wheels\f\bnd\ftires.\f
*CHECK\fthe\ftires.\fBALANCE\for\fINSTALL\fnew\f
tires\f\bs\fnecess\bry.\f\f
*
Incorrect\fwheel\f\blignment.\f
*ADJUST\fthe\fwheel\f\blignment.\f\f
REFER\fto:\f Specific\btions \f(211-00\fSteering\f
Sy s
tem\f-\fGener\bl\fInform\btion,\fSpecific\btions).
\f
*
Steering\fge\br\for\flink\bge\fworn\f
or\fd\bm\bged.\f
*
CHECK\fthe\fsteering\fsystem.\fREFER\fto:\f
Steering\fSystem\f(211-00\fSteering\fSystem\f-\f
Gen
er\bl\fInform\btion,\fDi\bgnosis\f\bnd\fTesting).\f
*
Стр. 13 из
30
04.01.2013http://127.0.0.1:8888/wsm/js/procedure.do?variantId=1431&proc-uid=G962465&gui...procarmanuals.com
http://vnx.su