1991 ACURA NSX seats

E: DRIVER INFORMATION: U.S. MODEL

CAUTION

TO AVOID SERIOUS INJURY:

FOR MAXIMUM SAFETY PROTECTION IN ALL TYPES OF

CRASHES, YOU MUST ALWAYS WEAR YOUR SAFETY

BELT.

DO NOT INSTALL REARWARD-FACING CHILD SEATS IN

ANY FRONT PASSENGER SEAT POSITION.

DO NOT SIT OR LEAN UNNECESSARILY CLOSE TO THE

AIRBAG.

DO NOT PLACE ANY OBJECTS OVER THE AIRBAG OR

BETWEEN THE AIRBAG AND YOURSELF.

SEE THE OWNER'S MANUAL FOR FURTHER INFORMA-

TION AND EXPLANATIONS.

THE SRS MUST BE INSPECTED TEN YEARS AFTER IT

IS INSTALLED.

THE DATE OF INSTALLATION IS SHOWN ON THE

DRIVER'S DOORJAMB.

CANADA MODEL

ALWAYS WEAR YOUR SEAT BELT

THIS CAR IS EQUIPPED WITH A DRIVER AIRBAG AND

A FRONT SEAT PASSENGER AIRBAG AS A SUPPLEMEN-

TAL RESTRAINT SYSTEM (SRS).

IT IS DESIGNED TO SUPPLEMENT THE SEAT BELT.

BEFORE DRIVING, READ LABEL INSIDE THE GLOVE BOX.

F: ASSISTANT INFORMATION: U.S. MODEL

AIRBAG SEE OTHER SIDE
G: MONITOR NOTICE

NOTICE

NO SERVICEABLE PARTS INSIDE.

REFER TO SERVICE MANUAL FOR DETAILED IN-

STRUCTIONS.

H: STEERING COLUMN NOTICE

NOTICE

TO PREVENT SRS DAMAGE, REMOVE STEERING WHEEL

BEFORE REMOVING STEERING SHAFT CONNECTING BOLT.

I: CONSOLE BOX/GLOVE BOX INFORMATION

CANADA MODEL

AIRBAG INFORMATION

SUPPLEMENTAL RESTRAINT SYSTEM (SRS)

THE SRS MUST BE INSPECTED TEN YEARS AFTER IT

IS INSTALLED. THE DATE OF INSTALLATION IS SHOWN

ON THE CERTIFICATION PLATE, LOCATED ON THE

DRIVER'S DOORJAMB.

DIAGNOSTIC CHECKS AND REPLACEMENT OF SRS

COMPONENTS MUST BE DONE BY AN AUTHORIZED

DEALER.

SEE YOUR OWNER'S MANUAL FOR ADDITIONAL SRS

INFORMATION.ProCarManuals.com

Valve Seat s
Reconditionin g
1. Rene w th e valv e seat s i n th e cylinde r hea d usin g a
valv e sea t grinder .
NOTE : I f guide s ar e wor n (se e pag e 6-39 ), replac e
the m (se e pag e 6-40 ) befor e grindin g th e valv e seats .
2 . Carefull y grin d a 45 ° seat , removin g onl y enoug h
materia l t o ensur e a smoot h an d concentri c seat .
3 . Beve l th e uppe r edg e o f th e sea t wit h th e 30 ° ston e
and th e lowe r edg e of the sea t wit h th e 60 ° stone .
Check widt h o f sea t an d adjus t accordingly .
4 . Mak e on e mor e ver y ligh t pas s wit h th e 45 ° ston e
t o remov e an y possibl e burr s cause d b y th e othe r
stones .
Valv e Sea t Width :
Standar d (New) :
Intak e 0.8 0 - 1.0 0 m m (0.03 1 - 0.03 9 in )
Exhaus t 1.2 5 - 1.5 5 m m (0.04 9 - 0.06 1 in )
Servic e Limit :
Intak e 1. 5 m m (0.05 9 in )
Exhaus t 2. 0 m m (0.07 9 in )
SEA T WIDT H
After resurfacin g th e seat , inspec t fo r eve n valv e
seating : Appl y Prussia n Blu e compoun d t o th e valv e
face , an d inser t valv e in origina l locatio n in th e head ,
the n lif t i t an d sna p it close d agains t th e sea t sever -
a l times .
ACTUA L
SEATIN G
SURFAC E
VALVESEAT
PRUSSIA N BLU E COMPOUN D
6. Th e actua l valv e seatin g surface , a s show n b y th e
blu e compound , shoul d b e centere d o n th e seat .
• I f i t i s to o hig h (close r t o th e valv e stem) , yo u
mus t mak e a secon d cu t wit h th e 60 ° ston e t o
mov e it down , the n on e mor e cu t wit h th e 45 °
ston e t o restor e sea t width .
• I f i t i s to o lo w (close r t o th e valv e edge) , yo u mus t
make a secon d cu t wit h th e 30 ° ston e t o mov e
it up , the n on e mor e cu t wit h th e 45 ° ston e t o
restor e sea t width .
NOTE : Th e fina l cu t shoul d alway s b e mad e wit h
th e 45 ° stone .
7 . Inser t intak e an d exhaus t valve s i n th e hea d an d
measur e valv e ste m installe d height .
Valv e Ste m Installe d Heigh t (Intak e an d Exhaust) :
Standard (New) : 41.55-42.3 5 m m
(1.6358-1.667 3 in )
Servic e Limit : 42.43 5 m m (1.670 7 in )
VALV E STE M
INSTALLE D HEIGH T
8. I f valv e ste m installe d heigh t i s ove r th e servic e limit ,
replac e th e valv e an d recheck . I f stil l ove r th e servic e
limit , replac e th e cylinde r head ; th e valv e sea t i n th e
hea d is to o deep .
ProCarManuals.com

Valve Guide s
Replacemen t
1. A s illustrate d below , us e a commerciall y - availabl e
air-impac t valv e guid e drive r attachmen t modifie d t o
fi t th e diamete r o f th e valv e guides . I n mos t cases ,
th e sam e procedur e ca n b e don e usin g th e specia l
too l an d a conventiona l hammer .
IMPACT VALV E GUID E DRIVE R(Commerciall y available )5.3 m m(0.2 1 in)
87 m m(3.4 3 in)57 m m(2.2 4 in)10. 8 m m(0.4 2 in)
VALV E GUID E DRIVER , 5. 5 m m0774 2-001010 0
2. Selec t th e prope r replacemen t guides , an d chil l the m
i n th e freeze r sectio n o f a refrigerato r fo r abou t a n
hour .
3. Us e a ho t plat e o r ove n t o evenl y hea t th e cylinde r
head t o 300° F ( 150°C) . Monito r th e temperatur e
with a cookin g thermometer .
CAUTION:
• D o no t us e a torch ; i t ma y war p th e head .
• D o no t ge t th e hea d hotte r tha n 30 0 F (15 0 C) ;
excessiv e hea t ma y loose n th e valv e seats .
• T o avoi d burns , us e heav y glove s whe n handlin g
th e heate d cylinde r head . 4
. Workin g fro m th e camshaf t side , us e th e drive r an d
a n ai r hamme r t o driv e th e guid e abou t 2 m m (0. 1 in )
toward s th e combustio n chamber . Thi s wil l knoc k of f
som e o f th e carbo n an d mak e remova l easier .
CAUTION :
• Alway s wea r safet y goggle s o r a fac e shiel d
whe n drivin g valv e guides .
• Hol d th e ai r hamme r directl y i n lin e wit h th e
valv e guid e t o preven t damagin g th e driver .
5 . Tur n th e hea d over , an d driv e th e guid e ou t towar d
th e camshaf t sid e o f head .
VALV E GUID E DRIVER , 5. 5 m m07742-001010 0
If a valv e guid e stil l won' t move , dril l i t ou t wit h a
8 m m (5/1 6 inch ) bit , the n tr y again .
CAUTION : Dril l guide s onl y i n extrem e cases ; yo u
coul d damag e th e cylinde r hea d if th e guid e breaks .
6 . Remov e th e ne w guide(s ) fro m th e freezer , on e a t a
time , a s yo u nee d them .
ProCarManuals.com

Windshield

Removal
CAUTION: Wear gloves to remove and install the windshield. Use covers to avoid damaging any surfaces.
1. To remove the windshield, first remove the: Seats (see page 20-39('93-'96)('91-'92)

Rearview mirror (see page 20-46('93-'96)('91-'92)

Sunvisors (see page 20-38('93-'96),37('91-'92)
Front pillar retainer (see page 20-21('93-'96),20('91-'92)

Front wiper and air scoop (see section 23)
Front pillar trim and headliner (see page 20-38

('93-'96),37('91-'92)

2. Peel off the upper molding.

3. Apply protective tape along the edge of the
dashboard and body next to the windshield as

shown.

UPPER

MOLDING
Replace.
UPPER

FASTENER

Replace.

WINDSHIELD

UPPER

MOLDING
Replace.

WINDSHIELD

PROTECTIVE
TAPE
WINDSHIELD

DEFROST

PANEL SEAL

Replace.

PROTECTIVE

TAPE

BODY

ADHESIVE
RUBBER

DAM

DASHBOARD
PROTECTIVE

TAPE
4. Using an awl, make a hole through the adhesive

from inside the car. Push piano wire through the

hole, and wrap each end around a piece of wood.

UPPER FASTENER

PIANO WIRE

WINDSHIELD

ADHESIVE

RUBBER DAM

5. With a helper on the outside, pull the piano wire back and forth in a sawing motion and carefully cut

through the adhesive around the entire windshield.

CAUTION:
Hold the piano wire as close to the windshield as
possible to prevent damage to the body and

dashboard.
Take care not to damage the vehicle identifica-
tion number plate.

WINDSHIELD

PIANO WIRE

LOWER

SPACERS
Replace.

VEHICLE

IDENTIFICATION
NUMBER

PLATE

6. Cut the lower spacers and upper fastener away
from the body with a knife; they are cemented in

place.

NOTE: Replace the lower spacers with new ones
whenever the windshield has been removed.ProCarManuals.com

Rear Window

Removal

CAUTION: Wear gloves to remove and install the rear window.
Since the rear window is double glazed glass with the
Inner glass (interior-side) larger than the outer glass,
care should be taken not to damege the edge of the
inner glass when removing the outer glass.
To remove the rear window, first remove: Seats (see page 20-39('93-'96),('91-'92)
Center pillar trim panel (see page 20-38)('93-'96),37('91-'92)
Rear upper trim panel (see page 20-38)
('93-'96),37('91-'92)
Rear hatch assembly (see page 20-64('93-'96),53('91-'92)

2. Remove the weatherstrip.
3. Disconnect the rear defogger sub-harness and
ground cable/antenna lead, then remove the

grommets.
WEATHERSTRIP

DEFOGGER SUB-
HARNESS

GROMMET

(cont'd)

GROUND

CABLE

ANTENNA

LEAD
SPECIAL BOLT
15. Let the adhesive dry for at least one hour, then
spray water over the windshield and check for
leaks. Mark leaking areas and let the windshield
dry, then seal with urethane windshield adhesive.

NOTE:
Let the car stand for at least four hours after

windshield installation. If the car has to be used

within the first four hours, it must be driven

slowly.

Keep the windshield dry within the first hour

after installation.

Check that the ends of the front pillar retainer
are set under the air scoop.
16. Reassemble all removed parts.
1.ProCarManuals.com

Headliner/lnterior Trim

Replacement

To remove the headliner, first remove the: Sunvisors
Center pillar trim panels

Front pillar trim panels

Seats (see page 20-39('93-'96)

Ceiling light (see section 23)

NOTE:
When installing the headliner, be careful not to fold
or bend it. Also, be careful not to scratch the body.
Check that both sides of the headliner are securely

attached to the trim.

Disassemble in numbered sequence.
NOTE: When removing the rear trim panels, take care not to

damage the control units and relays.

Take care not to scratch the trim panels.

Clip Locations
CENTER PILLAR

TRIM PANEL

FRONT PILLAR
TRIM PANEL
DOOR TRIM
SIDE SILL

PAD

SIDE SILL

TRIM

REAR SIDE TRIM PANEL
CENTER ARMREST
Replacement, see page

20-49

OPENER
KNOB
SIDE SILL

TRIM

UNDER-DASH FUSE BOX LID

Installation is the reverse of the removal procedure.
NOTE: If necessary, replace any damaged clips.
RELEASE

HANDLE

Replacement,

see page 20-68
REAR SIDE TRIM PANEL CLIP
SIDE SILL

PAD
LEFT REAR TRIM PANEL

CLIP

REAR UPPER TRIM PANEL REAR CENTER
TRIM PANEL

GUIDE PIN

RIGHT REAR TRIM
PANEL LEFT SUNVISOR
CENTER SUNVISOR

RIGHT SUNVISOR

HEADLINERProCarManuals.com

Seats
Replacemen t
NOTE:
• Befor e removin g th e seat , mov e th e sea t unti l yo u
ca n se e it s mountin g bolt s an d sea t moun t cove r
caps.
• Tak e car e no t t o scratc h th e sea t cover , interio r trim ,
dashboar d an d cente r armrest .
• O n reassembly , replac e th e lowe r ancho r bol t (* ) an d
use liqui d threa d lock .
1. Pr y ou t th e seat moun t cove r caps .
2 . Remov e th e seat mountin g bolts , the n remov e th e
sea t an d disconnec t th e connector .
3 . Pr y ou t th e cap , an d remov e th e sea t bel t lowe r
ancho r bolt . Remov e th e seat .
SEAT MOUNTIN G BOLT S10 x 1.2 5 mm40 N- m (4. 0 kg-m , 2 9 Ib-ft )
CONNECTO R
SEAT MOUN TCOVER CA PSEA T
SEA T MOUNTIN GBOLTS10 x 1.2 5 mm40 N- m (4. 0 kg-m ,29 Ib-ft )
SEAT BEL T
LOWE R ANCHO RBOLT7/16-2 0 UN F33 N- m (3. 3 kg-m ,24 Ib-ft )
If necessary , remov e th e powe r slid e cable , powe rseat switc h an d sea t moun t cover .OUTER SLID EBOX GEA R
CLIPPry here .
HOOKPry here .
POWE R SLID E CABL ENOTE: Tak e car e no t t oben d th e cable .
4. Installatio n i s th e revers e o f th e remova l procedure .
POWER SEA TSWITC HDisconnec t th e connectors .
NOTE: Appl y greas e t o th e inne r an d oute r slid e
bo x gears .
INNER SLID EBOX GEA R
SEAT MOUN T COVE R
CORROSIO N RESISTAN T BOL T
CAP
ProCarManuals.com

Seats

Seat Cover Replacement
CAUTION: Wear gloves to remove and install the seat

cover.
NOTE:
Take care not to tear the seams or damage the

cover.
Remove the power seat switch (see page 20-39)
and seat belt buckle (see page 20-43 ('93-'96) ('91-'92)) from the seat.
1. Detach the clips and hooks frem under the seat.
Pull the seat cover back.

Clip locations

SEAT COVER Forward
HOOK (3)

2. Detach the hooks while pulling the seat cover back.

SEAT COVER HOOKS
HOOKS
SCREW
HOOKS

SEAT COVER
HOOK

4. Remove the seat belt buckle (see page 20-43 ('93-'96) ('91-'92)).
Detach the hooks at both sides of the seat.
Remove the screws at both front edges.

SEAT CUSHION

ADHESIVE AREA
Clip locations

3. Detach the clips from under the seat, then remove
the seat cushion.ProCarManuals.com