ACURA NSX 1997 Service Repair Manual

Wheel Alignmen t
Front Whee l Alignmen t Adjustmen t Procedur e
NOTE:
• NSX/NSX- T fou r whee l alignmen t require s th e us e o f
equipmen t designe d specificall y fo r fou r whee l in -
dependen t suspension s an d capabl e of immediat e
feedback.
• Th e rid e heigh t i s ver y importan t fo r settin g th e align -
ment . Fo r ever y 1 0 m m (0. 4 in ) of chang e i n th e
fron t rid e height , th e cambe r wil l chang e approx -
imately 1 0 minutes .
• Th e fron t alignmen t setting s o n th e NS X ar e
interactive .
• A sligh t chang e i n to e wil l dramaticall y chang e th e
camber .
• Alway s inspec t an d adjus t th e fron t whee l alignmen t
wit h th e steerin g whee l i n th e straigh t ahea d
position .
1. Driv e th e vehicl e o n th e alignmen t rack .
2 . Chec k th e tir e pressur e an d rid e heigh t (se e pag e
18-6 ).
3 . Cente r th e steerin g whee l i n th e straigh t ahea d
position , an d loc k i t i n plac e wit h th e steerin g lock .
4 . Se t th e alignmen t equipmen t followin g th e
manufacturer' s instructions .
5 . Measur e an d adjus t th e cambe r an d to e o n th e lef t
side , the n measur e an d adjus t th e righ t side .
Toe:
— Loose n th e locknut , an d tur n th e righ t an d lef t
tie-rod s t o adjus t th e fron t toe .
LOCKNU T43 N- m(4.4 kgf-m , 3 2 Ibf-ft )TIE-RO D
Camber :
— Loose n th e self-lockin g nu t o n th e fron t lowe r
contro l ar m adjustin g point , an d adjus t th e
cambe r b y turnin g th e adjustin g cam .
SELF-LOCKIN G NU TReplace .123 N- m(12. 5 kgf-m , 9 0 Ibf-ft )
Corrosio n resistan t bolt/nu t
ADJUSTIN G CA M
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6. Measure the caster on the both sides, and adjust the

caster to specifications.

Caster:

Loosen the pivot adjuster mounting nuts (self-

locking nuts) under the compliance pivot, and

adjust the caster by turning the adjusting cam.

SELF-LOCKING

NUT

Replace.

83 N-m

(8.5 kgf-m, 61 Ibf-ft)
ADJUSTING CAM

Corrosion resistant bolt/nut

7. Remeasure and, if necessary, adjust the camber and

toe on the left side first, then the right side.

Front Specifications

Toe-out: 3.5 ± 1.0 mm (5/32 + 1/16 in)

Camber: -0°20' ± 30'

Caster: 8°00' + 45'ProCarManuals.com

Wheel Alignmen t
Front Turnin g Angl e Inspectio n
NOTE:
• Plac e a vehicl e o n a leve l surfac e befor e inspection .
• Releas e th e parkin g brak e an d b e sur e tha t th e vehicl e
i s empty .
• Chec k tha t th e suspension s ar e a t th e standar d heigh t
(se e pag e 18-6 ).
1 . Tur n th e steerin g whee l full y t o th e righ t an d lef t
whil e applyin g th e brake , an d measur e th e turnin g
angl e o f bot h wheels .
Turnin g angle : Inward : 33°06 ' ± 2°
Outward : 2 6 34 ' (Referenc e value )
2. I f th e measurement s ar e no t withi n th e specifica -
tions o r i f th e inwar d turnin g angle s diffe r betwee n
the righ t an d left , chec k th e to e an d adjus t accor -
dingly (se e pag e 18-8 ).
3 . I f th e to e adjustmen t i s withi n specifications , an d
turnin g angl e is stil l off , chec k fo r ben t o r damage d
suspensio n components .
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Rear Wheel Alignment Adjusting Procedure

Rear wheel alignment adjusting procedure

Check tire pressure on both sides.

Check the ride height on both sides.

Adjust both camber and toe of the left side.

Adjust both camber and toe of the right side.
TOP VIEW:

CAMBER

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Wheel Alignmen t
Rear Whee l Alignmen t Adjustin g Procedur e
NOTE: NSX/NSX- T fou r whee l alignmen t require s th e
us e o f equipmen t designe d specificall y fo r fou r whee l
independen t suspension s an d capabl e o f immediat e
feedback.
1. Driv e th e vehicl e o n th e alignmen t rack .
2 . Chec k th e tir e pressur e an d rid e heigh t a s describe d
o n pag e 18-6 .
3 . Cente r th e steerin g wheel .
Toe
-1. Measur e th e lengt h o f th e threade d sectio n o n
th e righ t an d lef t to e contro l arms .
Standard : 4. 0 m m (3/1 6 in )
Differenc e betwee n righ t an d left :
1.0 m m (1/1 6 in) max .
LOCK NUT S54 N- m(5.5 kgf-m , 4 0 Ibf-ft )
TIE-RO D
LENGTH
Corrosio n resistan t bolt/nu t
-2. I f th e measuremen t i s ou t o f specification ,
loose n th e locknuts , an d adjus t th e rea r to e b y
turnin g th e righ t an d lef t tie-rods .
Camber
-1. Loose n th e self-lockin g nu t o n th e rea r lowe r
contro l ar m adjustin g point , the n adjus t th e
ca m positio n s o tha t th e righ t an d lef t gradua -
tion s o n th e adjustin g ca m ar e i n contac t wit h
groov e wall .
Graduatio n i n contac twith groov e wal l
SELF-LOCKIN G NU TReplace .123 N- m(12. 5 kgf-m , 9 0 Ibf-ft )
DIAL CENTE R
Corrosio n resistan t bolt/nu t
-2. Mar k th e ar m in th e positio n whic h align s wit h
the dia l cente r o f th e adjustin g cam .
4 . Measur e th e reading s fo r cambe r an d to e accordin g
t o th e alignmen t equipmen t manufacturer' s instruc -
tions .
5 . Adjus t th e cambe r an d to e a t th e sam e tim e o n on e
sid e o f th e vehicle . Repea t fo r th e othe r sid e o f th e
vehicle .
Rea r Specification s
Toe-in: 4. 0 1. 0 m m (3/1 6 1/1 6 in )
Camber : -1°30 ' 30 '
ADJUSTIN G CA M
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Runout
1. Rais e th e vehicl e of f th e ground , an d suppor t i t wit h
safet y stand s i n th e prope r location s (se e sectio n 1 ).
2 . Plac e th e dia l gaug e o n eac h fron t an d rea r whee l
rim , an d tur n th e whee l slowl y b y hand . Chec k th e
axia l an d radia l runou t fo r front/rea r wheel .
Fron t an d Rea r Whee l Axia l Runout :
Standard : 0 - 0. 7 m m (0 - 0.0 3 in )
Servic e Limit : 2. 0 m m (0.0 8 in )
Fron t an d Rea r Whee l Radia l Runout :
Standard : 0-0. 7
mm (0-0.0 3 in)
Servic e Limit : 1. 5 m m (0.0 6 in )
If th e whee l axia l runou t exceed s th e servic e limit ,
chec k th e bearin g en d play .
If th e bearin g en d pla y i s withi n th e servic e limit ,
replac e th e wheel .
Bearing En d Pla y
Fron t Whee l En d Play :
Standard : 0 mm (0 in )
Servic e limit : 0.0 5 m m (0.00 2 in ) max .
Rear Whee l En d Play :
Standard : 0 mm (0 in )
Servic e limit : 0.0 5 m m (0.00 2 in ) max .
Replac e th e whee l bearin g wit h ne w on e i f th e servic e
limit i s exceeded .
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Front Suspensio n
Torque Specification s
CAUTION:
• Replac e th e self-lockin g nut s afte r removal .
• Replac e th e self-lockin g bolt s if yo u ca n easil y threa d a non-self-lockin g nu t pas t thei r nylo n lockin g inserts . (I t shoul d
requir e 1 N- m (0. 1 kgf-m , 0. 7 Ibf-ft ) o f torqu e to tur n th e tes t nu t o n th e bolt) .
• Th e vehicl e shoul d b e o n th e groun d befor e an y bolt s o r nut s connecte d to rubbe r mount s o r bushing s ar e tightened .
• Torqu e th e castl e nu t t o th e lowe r torqu e specification , the n tighte n i t onl y fa r enoug h t o alig n th e slo t wit h th e pi n
hole . D o no t alig n th e nu t b y loosening .
NOTE : Wip e of f an y dirt , oi l o r greas e fro m th e thread s befor e tightenin g th e fasteners .
Corrosion resistan t bolt/nu t
FLANGE BOL T10 x 1.25 mm59 N- m (6. 0 kgf-m , 4 3 Ibf-ft )
CASTL E NU T
12 x 1.2 5 mm54 - 6 4 N- m (5. 5 - 6. 5 kgf-m , 4 0 - 4 7 Ibf-ft )
SELF-LOCKIN G NUT S12 x 1.2 5 mmReplace .
9 3 N- m (9. 5 kgf-m , 6 9 Ibf-ft ) SELF-LOCKIN
G NU T
10 x 1.2 5 mmReplace .43 N- m (4. 4 kgf-m , 3 2 Ibf-ft )
SELF-LOCKIN G NU T
12 x 1.2 5 mmReplace .
12 3 N- m (12. 5 kgf-m , 9 0 Ibf-ft )
CASTL E NU T
12 x 1.2 5 mm54 - 6 4 N- m (5. 5 - 6. 5 kgf-m , 4 0 - 4 7 Ibf-ft )
SELF-LOCKIN G NU T
12 x 1.2 5 mmReplace .93 N- m (9. 5 kgf-m , 6 9 Ibf-ft )
FLANG E BOL T
10 x 1.2 5 mm59 N- m (6. 0 kgf-m , 4 3 Ibf-ft )
FLANG E BOL T
12 x 1.2 5 mm93 N- m (9. 5 kgf-m , 6 9 Ibf-ft )
SELF-LOCKIN G NU T
12 x 1.2 5 mmReplace .83 N- m (8. 5 kgf-m , 6 1 Ibf-ft ) CASTL
E NU T
10 x 1.2 5 mm39 - 4 7 N- m(4. 0 - 4. 8 kgf-m ,
2 9 - 3 5 Ibf-ft )
CASTL E NU T
12 x 1.2 5 mm54 - 6 4 N- m (5. 5 - 6. 5 kgf-m , 4 0 - 4 7 Ibf-ft )
FLANG E BOL T
12 x 1.2 5 mm93 N- m (9. 5 kgf-m , 6 9 Ibf-ft ) CALIPE
R BRACKE T
MOUNTING BOL T108 N- m(11 kgf-m , 8 0 Ibf-ft )
SELF-LOCKIN G NUT S12 x 1.2 5 mmReplace .
8 3 N- m (8. 5 kgf-m , 6 1 Ibf-ft )
CASTL E NU T
12 x 1.2 5 mm54 - 6 4 N- m (5. 5 - 6. 5 kgf-m ,
4 0 - 4 7 Ibf-ft )
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Hub Replacemen t
NOTE:
• Us e onl y genuin e Hond a whee l weight s fo r aluminu m wheels . Non-genuin e whee l weight s ma y corrod e an d damag e
th e aluminu m wheels .
• O n th e aluminu m wheels , remov e th e cente r ca p fro m insid e o f th e whee l afte r removin g th e wheel .
• Befor e installin g th e brak e disc , clea n th e matin g surfac e o f th e fron t hu b an d insid e o f th e brak e disc .
• Befor e installin g th e wheel , clea n th e matin g surface s o f th e brak e dis c an d insid e o f th e wheel .
HUB BEARIN G ASSEMBLYInspec t fo r fault y
movemen t an d wear .
Replacement , pag e 18-1 7
BRAK E DIS CChec k fo r wea r an d rust .
Inspection , sectio n 19 . FRON
T HU B
Chec k fo r damag e an d
cracks .Replacement ,
pag e 18-1 7
WHEE L NU T12 x 1. 5 m m108 N- m (1 1 kgf-m , 8 0 Ibf-ft )
FLAT HEA D SCRE W6 x 1. 0 m m9.8 N- m (1. 0 kgf-m , 7 Ibf-ft )
CENTE R CA P
SPLAS H GUAR D
PULSE R
KNUCKL E
Corrosion resistan t bolt/nu t
SELF-LOCKIN G NU T10 x 1.2 5 mmReplace .64 N- m (6. 5 kgf-m , 4 7 Ibf-ft )SPINDL E NU T26 x 1. 5 m mReplace .329 N- m (33. 5 kgf-m , 24 2 Ibf-ft )NOTE : Afte r tightening , us e a drif t t o
stak e th e spindl e nu t shoulde r agains t
th e spindle .
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Front Suspensio n
Hub Replacemen t
1. Loose n th e whee l nut s slightly .
2. Rais e th e fron t o f vehicle , an d suppor t i t o n safet y
stands i n prope r location s (se e sectio n 1 ).
3 . Remov e th e whee l nut s an d wheel .
NOTE : Befor e installin g th e wheel , clea n th e
matin g surface s o f th e brak e dis c an d insid e of the
wheel .
WHEE L NU T108 N- m(11 kgf-m , 8 0 Ibf-ft )
4. Remov e th e brak e hos e mountin g bolts .
FRON T BRAK E HOS E
BRAK E HOS E MOUNTIN G BOLT S
2 2 N- m (2. 2 kgf-m , 1 6 Ibf-ft )
Corrosio n resistan t bolt/nu t
5. Remov e th e whee l senso r fro m th e knuckl e an d
fron t lowe r contro l arm .
NOTE :
• D o no t disconnec t th e whee l sensor .
• B e carefu l whe n installin g th e sensor s t o avoi d
twistin g wires .
WHEE L
SENSO R
Corrosio n resistan t bolt/nu t
22 N- m(2.2 kgf-m , 1 6 Ibf-ft )
6. Remov e th e calipe r bracke t mountin g bolts , an d
han g th e calipe r assembl y t o on e side .
CAUTION : T o preven t accidenta l damag e t o th e
calipe r assembl y o r brak e hose , us e a shor t piec e o f
wir e t o han g th e calipe r assembl y fro m th e
undercarriage .
CALIPER BRACKE T MOUNTIN G BOLT S
10 8 N- m (1 1 kgf-m , 8 0 Ibf-ft )
9.8 N- m(1.0 kgf-m , 7 Ibf-ft )
Corrosio n resistan t bolt/nu t
9.8 N- m(1.0 kgf-m , 7 Ibf-ft )
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7. Remov e th e fla t hea d screws . Instal l tw o 8 x 1 2 m m
bolt s int o th e dis c t o pus h i t awa y fro m th e hub .
NOTE : Tur n eac h bol t tw o turn s a t a tim e to preven t
cockin g th e dis c excessively .
FLAT HEA D SCRE W6 x 1. 0 m m9.8 N- m (1. 0 kgf-m , 7 Ibf-ft )
BRAK E DIS C
8. Remov e th e hu b uni t fro m th e knuckle .
8 x 1 2 m mBOLT S
SELF-LOCKIN G NU T
10 x 1.2 5 mmReplace .64 N- m (6. 5 kgf-m , 4 7 Ibf-ft )
FRON T HU B UNI T
Corrosio n resistan t bolt/nu t
Front Whee l Bearin g Replacement :
1 . Rais e th e lockin g ta b o n th e spindl e nut , the n remov e
the nut .
SPINDL E NU T26 x 1. 5 m mReplace .
Unstake
2. Remov e th e pulse r usin g a two-ja w puller .
TWO-JA WPULLER(Commerciall yavailable)
PULSER
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