ACURA NSX 1991 Service Service Manual

Lift an d Suppor t Point s
Lift
CAUTION :
I f groun d clearanc e i s inadequat e t o clea r th e sho p lift , either :
— Instal l rubbe r spacer s o n th e coi l spring s t o rais e th e car . Us e th e floo r jac k procedure s t o rais e th e ca r (pag e 1-10 ).
o r
— Remov e th e chi n spoiler .
or
— If yo u nee d eve n mor e clearance , instal l th e rubbe r spacer s an d remov e th e chi n spoiler .
Follo w th e lif t manufacturer' s instructions .
Us e rubbe r pa d adapter s o n th e lif t t o avoi d damagin g th e car .
Space r Installatio n
1. Plac e th e rubbe r contac t pad s a s shown .
2. Rais e th e lif t a fe w inches, and roc k th e ca r t o b e sur e i t i s firml y supported .
3. Rais e th e lif t t o ful l height , an d inspec t th e lif t point s fo r soli d support .
4. Instal l rubbe r spacer s o n th e coi l springs .
CAUTION : Remov e th e rubbe r spacer s afte r lowerin g th e car . D o no t driv e th e ca r wit h rubbe r spacer s installe d be -
twee n th e spring .
COIL SPRIN G
COIL SPRIN G
RUBBE RSPACER
FRONT SUPPOR TPOINTLIFT CONTAC T PAD SREAR SUPPOR TPOINT
RUBBE R SPACER SRUBBER SPACER S
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Lift an d Suppor t Point s (cont'd )
Floor Jac k
CAUTION : Plac e a rubbe r pa d betwee n th e lif t platfor m an d th e cente r suppor t poin t t o avoi d damagin g th e car . Th e
lif t platfor m mus t contac t th e suppor t poin t only ; i t mus t no t com e i n contac t wit h an y othe r par t o f th e car .
1. Se t th e parkin g brake , an d bloc k th e wheel s tha t ar e
not bein g lifted .
2. Whe n liftin g th e rea r o f th e car , pu t th e gearshif t
lever i n revers e (Automati c i n position) .
3. Rais e th e ca r hig h enoug h to inser t th e safet y stands .
4 . Adjus t an d plac e th e safet y stand s a s show n o n pag e
1-11 s o th e ca r wil l b e approximatel y level , the n low -
er th e ca r ont o them .
Alway s us e safet y stand s whe n workin g o n o r un -
de r an y vehicl e tha t i s supporte d b y onl y a jack .
Neve r attemp t t o us e a bumpe r jac k fo r liftin g o r
supportin g th e car .
CENTE RSUPPOR T POIN T
FLOO R JAC K
RUBBE R PA D
LIFT PLATFOR M
CENTER SUPPOR TPOINT
RUBBE R PA D
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Safety Stand s
CAUTION : Plac e a rubbe r pa d betwee n th e safet y stan d platform s an d th e car' s fron t an d rea r suppor t point s t o avoi d
damagin g th e car . Th e safet y stan d platform s mus t contac t th e car' s suppor t point s only ; the y mus t no t com e in contac t
wit h an y othe r par t o f th e car .
SAFET Y STAND S
SUPPOR
T POINT S
RUBBE R PAD S
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Towing
If th e ca r need s t o b e towed , cal l a professiona l towin g
service . Neve r to w th e ca r behin d anothe r ca r wit h jus t
a rop e o r chain . I t i s ver y dangerous .
Ther e ar e thre e widel y use d method s o f towin g a car :
Flat-be d Equipment—Th e operato r load s th e ca r o n th e
bac k o f a truck . This is th e onl y recommende d wa y o f
towin g th e NS X & NSX-T .
Whee l Lif t Equipment—Th e to w truc k drive r use s tw o
pivotin g arm s whic h g o unde r th e tire s (fron t o r rear ) an d
lif t the m of f th e ground . Th e othe r tw o wheel s remai n
o n th e ground . Thi s towin g metho d i s no t recommend -
ed . Becaus e o f th e NS X & NSX-T' s lo w groun d clearance ,
th e bod y ca n b e damage d goin g ove r larg e bump s o r u p
inclines .
Sling-typ e Equipment—Th e to w truc k use s meta l chain s
wit h hooks on th e ends . Thes e hook s g o aroun d part s
o f th e fram e o r suspensio n an d th e cable s lif t tha t en d
o f th e ca r of f th e ground . Damag e t o th e car' s suspen -
sio n an d bod y i s almos t certai n if thi s metho d o f towin g
i s attempted .
I f th e NS X & NSX- T canno t b e towe d b y flat-bed , i t
shoul d b e towe d wit h th e rea r wheel s of f th e ground .
If , du e t o damage , th e ca r mus t b e towe d wit h th e rea r
wheel s o n th e ground , d o th e following :
Manual Transmissio n
Release th e parkin g brak e
Shift th e transmissio n t o Neutra l
Automati c Transmissio n
Releas e th e parkin g brak e
Star t th e engin e
Shift t o position , the n t o positio n
Tur n of f th e engin e
NOTICE :
Improper towin g preparatio n wil l damag e th e trans -
mission . Follo w th e abov e procedur e exactly . Th e ca r
mus t b e towe d o n a fla t be d if th e engin e wil l no t star t
or th e transmissio n wil l no t shift .
It i s bes t t o to w th e ca r n o farthe r tha n 5 0 mile s (8 0
km) , an d kee p th e spee d belo w 3 5 mp h (5 5 km/h) .
Tryin g t o lif t o r to w th e ca r b y th e bumper s wil l caus e
seriou s damage . Th e bumper s ar e no t designe d to sup -
por t th e car' s weight .
Front:
TOWIN GHOOK
TIE DOW N BRACKET S
Rear:
TIE DOW N BRACKET S
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Service Precaution s
Handling o f Specia l Nut s an d Bolt s
Becaus e man y section s o n thi s ca r ar e constructe d wit h
aluminu m alloys , us e onl y th e specia l "Dacro " typ e
nut s an d bolt s recommende d b y Acura .
NOTE:
Dacro finis h ca n b e identifie d b y gra y plating .
Som e Dacr o finis h bolt s hav e a gree n coatin g o n
th e threa d sectio n of the bol t fo r easie r applica -
tion . Thi s typ e of bol t i s calle d a "Torquer " bolt .
Us e o f othe r type s of nut s an d bolt s ma y caus e
electrolysi s an d corrosion , whic h in tur n coul d
caus e th e bol t t o loosen .
Gray platin g
Green coatin g
on th e thread s
Gray plating : "Dacro " typ e
Gra y platin g + Gree n coatin g o n th e threads :
"Torquer " typ e
1. Whe n replacin g nut s an d bolts , us e onl y th e sam e
type.
2. Tighte n th e nut s an d bolt s with a torqu e wrenc h t o
th e specification s provide d i n thi s manual .
3 . Clea n al l threa d ridge s wit h a non-wire-typ e bristl e
brush . Foreig n matte r i n th e thread s ma y caus e th e
bol t t o loosen .
4 . Section s o n thi s ca r requirin g th e us e o f Dacr o nut s
and bolt s wil l b e indicate d b y a ( ) in thi s manual .
Handling o f Tire s
The tire s o n NS X & NSX- T shoul d no t b e rotated . Th e
fron t wheel s ar e 16 " in , diamete r an d th e rea r wheel s
ar e 17 " in , s o the y canno t b e rotate d front-to-rear .
Th e original-equipmen t tire s o n NS X & NSX- T hav e
a unidirectiona l trea d pattern , s o the y canno t b e ro -
tate d side-to-side .
Th e foldin g spar e tir e canno t b e repaire d o r remove d
fro m th e rim .
Engin e Steam-cleanin g
(NSX-T only )
When steam-cleanin g th e engin e compartment , kee p th e
roo f holde r switc h dry . I f th e roo f holde r switc h get s we t
accidentally , dr y i t thoroughl y wit h compresse d air .
Roo f holde r switc h
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Standards an d Servic e Limi t
Cylinde r Head/Valv e Trai n — Section s 6
*1 : NIHO N HATSUJ O made , *2 : CHU O HATSUJ O made .
M/T : Manua l Transmissio n A/T : Automati c Transmissio n
*3 : Measure d betwee n th e rocke r ar m an d camshaft .
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Engine Bloc k — Sectio n 7
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Engine Lubricatio n — Sectio n 8
Standard s an d Servic e Limit s
Coolin g — Sectio n 1 0
M/T : Manua l Transmissio n A/T : Automati c Transmissio n
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Fuel an d Emissio n — Sectio n 1 1
Clutc h — Sectio n 1 2
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Standards an d Servic e Limit s
Manua l Transmissio n — Sectio n 1 3
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