engine ACURA NSX 1991 Service Repair Manual

General Info
Specifications
Maintenance
Engine
Cooling
Fuel and Emissions
’91’92 Models
’93’94 Models
’95’96 Models
*TransaxleSuspension
*Brakes (Including ABS)
*Body
*Heating, Ventilation and
Air Conditioning
*Body Electrical
*Engine Electrical
*SRS
1991-96 NSX Main Menu
As sections w/ * include SRS components,
special precautions are required when servicing.
Steering
’91’94 Models
’95’96 Models
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Chassis and Paint Codes

U.S.Model

Vehicle Identification Number

Transmission Number

Engine Number
Vehicle Identification Number

and Federal Motor Vehicle Safety

Standard Certification

Paint Code
Paint CodeProCarManuals.com

CANADA Model

Vehicle Identification Number

Transmission Number

Engine Number
Vehicle Identification Number

and Canadian Motor Vehicle

Safety Standard Certification

Paint Code
Paint CodeProCarManuals.com

Identification Number Locations

VEHICLE IDENTIFICATION

NUMBER
VEHICLE IDENTIFICATION

NUMBER

MANUAL TRANSMISSION

NUMBER
AUTOMATIC TRANSMISSION

NUMBER
ENGINE NUMBERProCarManuals.com

Identification Numbe r Location s
VEHICLE IDENTIFICATIO N
NUMBE R
MANUA L TRANSMISSIO N
NUMBE R VEHICL
E IDENTIFICATIO N
NUMBE R
AUTOMATI C TRANSMISSIO N
NUMBER
ENGINE NUMBE R
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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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Special Tools
Ref.
No.

Tool Number
07MAK – PR7020A

07MAZ – SL0000A

Description

Engine Removal/Installation Fixture
NSX Fender Cover
Qty

1
1
Page Reference

5-9 ('91-'93 Models),or
('94-'96 Models)
5-3 ('91-'93 Models)
,or ('94-'96 Models)
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Engine Removal/Installatio n
Removal
Make sur e jack s an d safet y stand s ar e place d properl y
an d hois t bracket s ar e attache d t o th e correc t posi -
tion s o n th e engin e (se e sectio n 1 ).
• Mak e sur e th e ca r wil l no t rol l of f stand s an d fal l
whil e yo u ar e workin g unde r it .
CAUTION :
• Us e a fende r cove r (specia l tool ) t o avoi d damagin g
painte d surfaces .
• Unspecifie d item s ar e common .
• Unplu g th e wirin g connector s carefull y whil e holdin g
th e connecto r portio n t o avoi d damage .
• Mar k al l wirin g an d hose s t o avoi d misconnection .
Also , b e sur e tha t the y d o no t contac t othe r wirin g o r
hose s o r interfer e wit h othe r parts .
• I f th e groun d clearanc e need s t o b e increased , us e a
scissor s jac k an d instal l rubbe r spacer s i n th e coi l
spring s (se e sectio n 1 ).
• Pu t rubbe r pad s unde r th e jackin g point s whe n usin g
jack s o r safet y stand s t o avoi d damagin g th e bod y
(se e sectio n 1 ).
1 . Mov e th e sea t bottom s an d back s a s fa r forwar d a s
the y wil l go .
2. Remov e th e rea r hatc h assembl y an d engine cover
(se e sectio n 20 ).
3 . Disconnec t th e batter y negativ e termina l first , the n
the positiv e terminal . 4
. Remov e th e stru t brace .
COUPE :
STRUT BRAC E8 x 1.2 5 mm22 N- m (2. 2 kg-m ,16 Ib-ft )
NS X FENDE R
COVER07MAZ - SLOOOO A
NSX-T (ope n top) :
8 x 1.2 5 mm22 N- m (2. 2 kg-m , 1 6 Ib-ft )STRU T BRAC E
NSX FENDE R COVE R07MAZ-SLOOOO A
CORROSIO N RESISTAN T BOL T
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Engine Removal/Installatio n
Removal
5. Disconnec t th e fa n moto r connector , the n remov e
the engin e roo m fa n assembly .
ENGINE ROO MFAN
FAN MOTO R
CONNECTO R
6 x 1. 0 m m10 N- m (1. 0 kg-m , 7 Ib-ft )
6. Remov e th e rea r tri m panel s behin d th e passenger' s
seat , the n disconnec t fou r connector s fro m th e
engin e contro l modul e (ECM ) an d thre e connector s
fro m th e floo r wir e harness .
ENGINE WIR E
HARNES S
ECM
FLOO R WIR E
HARNES S
CORROSIO N RESISTAN T BOL T
7. Disconnec t th e spar k plu g voltag e detectio n modul e
connectors , ground cable an d engin e wir e harnes s
clamps .
SPARK PLU G VOLTAG EDETECTIO N MODUL ECONNECTOR S
GROUND
CABLE
ENGIN E WIR E
HARNES S CLAMP S
8. Disconnec t th e fue l pum p resisto r connector , injec -
to r resisto r connecto r an d groun d cable .
FUEL PUM P RESISTO R
CONNECTO R
GROUND CABL E
INJECTO R RESISTO R
CONNECTO R
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