1996 ACURA RL KA9 engine

Mount and Bracket Bolts/Nuts Torque Value Specifications:

10 x 1.25 mm bolts/nuts: 38 N-m (3.9 kgf-m, 28 Ibf-ft)

RIGHT ENGINE MOUNT

LEFT ENGINE MOUNT

RIGHT FRONT MOUNT

LEFT FRONT MOUNTProCarManuals.com

Engine Moun t Contro l Syste m
Componen t Locatio n Inde x
ENGIN E MOUN T CONTRO LSOLENOI D VALV E
Troubleshooting , pag e 5-2 0 POWERTRAI
N CONTRO L
MODUL E (PCM )
Troubleshooting , pag e 5-2 0
ENGIN E MOUN TDIAPHRAG M ACTUATO R
Test , pag e 5-2 2
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Engine Moun t Contro l Syste m
Troubleshootin g Flowchar t
NOTE:
Check th e vacuu m hose s an d line s fo r damag e an d prope r connections .
Refe r t o th e Troubleshootin g Procedure s (se e sectio n 11 ).
Th e engin e vibrate s excessivel y
whe n idling .
Chec k Idl e Speed :
War m u p engin e t o norma l oper -
ating temperatur e (th e coolin gfan come s o n 2 times) .
I s th e idl e spee d les s tha n
70 0 rpm ? Adjus
t th e idl e spee d (se e
sectio n 11 ).
Chec k th e Engin e Moun t Contro l
System:1. Full y depres s th e brak e pedal .
2 . Wit h th e transmissio n i n gear ,
hav e a n assistan t disconnec t
and reconnec t th e IMRC /engine moun t contro l solenoi d
valv e assembl y 6 P connector .
I s ther e a noticeabl e chang e in
idl e smoothnes s whe n th e
IMRC/engin e moun t contro lsolenoi d valv e assembl y 6 P con -
necto r i s disconnected ? Reconnec
t th e IMRC/engin e
moun t contro l solenoi d valv e
assembl y 6 P connector . Th e
engin e moun t contro l syste m isOK .
IMRC/ENGIN E MOUN T
CONTRO L SOLENOI D
VALV E ASSEMBL Y 6P
CONNECTO R
Test th e Engin e Moun t Contro l
Solenoi d Valv e Wire :
1. Shif t t o o r position .
2 . Disconnec t th e IMRC/engin e
moun t contro l solenoi d valv e
assembl y 6 P connector .
3 . Measur e voltag e betwee n th e
No. 3 termina l an d bod y
ground .
Is ther e batter y voltage ? Repai
r ope n i n BLK/YE L wir e
betwee n th e IMRC/engin e
moun t contro l solenoi d valv e
assembl y 6 P connecto r an d PC M
fuse (2 0 A) .
Wir e sid e o f femal e
terminal s
Tes t th e Engin e Moun t Contro l
Solenoi d Valv e Wire :
Measur e voltag e betwee n th e
No . 3 an d No . 6 terminals .
I s ther e batter y voltage ?
NO
(T o pag e 5-21 ) —
Repai r ope n i n L T GR N wir e
betwee n PC M (A17 ) an d th e
IMRC/engin e moun t contro l
solenoi d valv e assembl y 6 P
connector .— If th e wir e i s OK , substitut e a
known-goo d PC M an d recheck .
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Engine Moun t Contro l Syste m
Diaphrag m Actuato r Tes t
1. Disconnec t th e vacuu m hoses , the n remov e th e lef t
and righ t engin e mount s (se e pag e 5-17 ).
2 . Remov e th e actuato r cover .
6 x 1. 0 m m13 N- m (1. 3 kgf-m ,
9. 4 Ibf-ft ) ACTUATO
RCOVER
3. Clea n an d oi l th e diaphrag m actuato r rod .
4 . Wit h a vacuu m pump/gauge , appl y vacuu m o f abou t
30. 7 kP a (23 0 m m Hg , 9. 1 in.Hg) , an d chec k tha t th e
actuato r ro d move s smoothly .
Replac e th e engin e moun t i f th e actuato r ro d doe s
no t operate .
DIAPHRAG M
ACTUATO R
VACUUM PUMP/GAUGE ,0-30 in.Hg .A973X-041-XXXX X
ENGINEMOUN T
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Cylinder Heads

Illustrated Index (cont'd)

CAUTION:

To avoid damage, wait until the engine coolant temperature drops below 100°F (38°C) before removing a cylinder

head.

When handling a metal gasket, take care not to fold it or damage the contact surface.

NOTE: Clean the oil control orifice when installing.

CYLINDER HEAD BOLT

11 x 1.5 mm

76 N-m (7.8 kgf-m, 56 Ibf-ft)

Apply engine oil to the

bolt threads.
EXHAUST GAS

RECIRCULATION

(EGR) PASSAGE
8 x
1.25
mm

22 N-m (2.2 kgf-m,

16 Ibf-ft)

OIL CONTROL

ORIFICES

Remove with 6 x 1.0 mm

bolt and clean.

RIGHT CYLINDER

HEAD GASKET

Replace.

OIL CONTROL

ORIFICES

Remove with 6 x 1.0 mm

bolt and clean.

10 x
1.25
mm

44 N-m (4.5 kgf-m,

33 Ibf-ft)
LEFT CYLINDER

HEAD GASKET

Replace.

8 x
1.25
mm

22 N-m (2.2 kgf-m,

16 Ibf-ft)

DOWEL PIN

DOWEL PIN
GASKET

Replace.

CYLINDER

HEAD

O-RINGS

Replace.
CYLINDER

HEADProCarManuals.com

Cylinder Head s
Remova l
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 position s o n th e engine .
CAUTION :
Us e fende r cover s t o avoi d damagin g painte d sur -
faces .
Unplu g th e wirin g connector s carefull y whil e holdin g
th e connecto r portio n to avoi d damage .
T o avoi d damagin g th e cylinde r head , wai t unti l th e
engin e coolan t temperatur e drop s belo w 100° F (38°C )
befor e loosenin g th e retainin g bolts .
NOTE :
Unspecifie d item s ar e common .
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 .
Inspec t th e timin g bel t befor e removin g th e cylinde r
head.
Turn th e crankshaf t pulle y s o tha t th e No . 1 pisto n i s
a t to p dea d cente r (TDC) .
D o th e PC M Memor y Settin g afte r reconnectin g th e
batter y (se e sectio n 11 ).
1 . Remov e th e suppor t strut s fro m th e hood . Fi x th e
hoo d i n a vertica l position , the n reinstal l th e sup -
por t strut s b y usin g 6 x 1. 0 m m bolt s (se e pag e 5-3 ).
2 . Mak e sur e yo u hav e th e anti-thef t cod e fo r th e radio ,
the n writ e dow n th e frequencie s fo r th e radio' s pre -
set buttons .
3. Disconnec t th e batter y negativ e termina l first , the n
th e positiv e terminal .
4 . Drai n th e engin e coolan t (se e pag e 10-5 ).
5 . Remov e th e stru t brac e (se e pag e 5-3 ).
6 . Remov e th e engine cover (se e pag e 5-3 ).
7 . Remov e th e intak e ai r duc t an d ai r cleane r housin g
assembl y (se e pag e 5-4 ). 8
. Remov e th e throttl e cove r (se e pag e 5-4 ).
9 . Remov e th e throttl e cabl e an d cruis e contro l cabl e
b y loosenin g th e locknuts , the n sli p th e cabl e end s
ou t o f th e accelerato r linkag e (se e pag e 5-4 ).
NOTE :
Take car e no t t o ben d th e cabl e whe n removin g
it . Alway s replac e an y kinke d cabl e wit h a ne w
one .
Adjus t th e throttl e cabl e whe n installin g (se e
sectio n 11 ).
Adjus t th e cruis e contro l cabl e whe n installin g
(se e sectio n 23 ).
10 . Remov e th e uppe r radiato r hos e an d wate r bypas s
hose.
WATE R BYPAS SHOSEUPPE R RADIATO RHOSE
11. Rais e th e coolan t reservoir , the n remov e th e batter y
an d batter y base .
BATTER YBASE
6 x 1. 0 m m12 N- m (1. 2 kgf-m ,8.7 Ibf-ft )
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Cylinder Head s
Remova l (cont'd )
18. Loose n th e mountin g bolt , loc k bol t an d adjustin g
rod, the n remov e th e alternato r belt .
ADJUSTIN GROD
LOC K BOL T8 x 1.2 5 mm22 N- m (2. 2 kgf-m ,
1 6 Ibf-ft )
ALTERNATO R
BELT
MOUNTIN G BOL T10 x 1.2 5 mm44 N- m (4. 5 kgf-m ,
3 3 Ibf-ft )
19. Loose n th e idle r pulle y cente r nu t an d adjustin g bolt ,
then remov e th e ai r conditionin g (A/C ) compresso r
belt.
ADJUSTIN GBOLT IDLE
R PULLE Y
CENTE R NU T10 x 1.2 5 mm44 N- m (4. 5 kgf-m ,
3 3 Ibf-ft )
A/ C COMPRESSO R
BELT
20. Loose n th e adjustin g bolt , locknu t an d mountin g bolt ,
then remov e th e powe r steerin g (P/S ) pum p bel t (se e
pag e 6-6 ).
21 . Remov e th e vacuu m hose s an d breathe r hose .
22 . Remov e th e vacuu m hoses , the n remov e th e igni -
tio n contro l modul e (ICM ) bracke t (se e pag e 6-9 ).
23 . Remov e th e engin e wir e harnes s connector s an d
wir e harnes s clamp s fro m th e cylinde r head s an d
intak e manifold .
Si x injecto r connector s
Si x ignitio n coi l connector s
Throttl e positio n senso r connecto r
CKP/CY P senso r connecto r
Intak e ai r temperatur e (IAT ) senso r connecto r
Exhaus t ga s recirculatio n (EGR ) valv e connecto r
Idl e ai r contro l (IAC ) valv e connecto r
Engine coolan t temperatur e (ECT ) senso r con -
necto r
EC T gaug e sendin g uni t connecto r
Manifol d absolut e pressur e (MAP ) senso r con -
necto r
Vehicl e spee d senso r (VSS ) sub-connecto r
Lef t primar y heate d oxyge n senso r (lef t primar y
HO2S ) connecto r
Righ t primar y heate d oxyge n senso r (righ t pri -
mar y H02S ) connecto r
Groun d cabl e (throttl e bod y base )
VACUU MHOSE
BREATHE RHOSE
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Hydraulic Tappets

Bleeding

1. Fill a container with 5W - 30 or 10W - 30 engine oil,

and place the hydraulic tappet in it. Press down on

the check ball with a thin wire. Bleed the tappet of

air by pumping the plunger slowly until no bubbles

come out of the hydraulic tappet.

WIRE

HYDRAULIC

TAPPET
PLUNGER

5W
- 30 or

10W
-
30

ENGINE OIL

CHECK BALL

2. Install the hydraulic tappet to the rocker arm.

NOTE:

• Use a new O-ring when reassembling.

• Apply oil to the O-ring before installation.

ROCKER ARM

O-RING

Replace.

HYDRAULIC

TAPPETProCarManuals.com