ACURA RL KA9 1996 Service Repair Manual

Intake Manifold

Replacement

NOTE: Use new O-rings and gaskets when reassembling.

CAUTION:

Check for folds or scratches on the surface of the gasket.

Replace with a new gasket if damaged.

WATER

PASSAGE

6 x 1.0 mm

12 N-m
(1.2 kgf,

8.7 Ibf-ft)
INTAKE MANIFOLD

Replace if cracked or

if mating surfaces are 8 x 1.25 mm

damaged. 22 N-m (2.2 kgf-m,

16 Ibf-ft)

FAST IDLE

THERMO VALVE

THROTTLE

BODY BASE

THROTTLE

BODY

8 x
1.25
mm

22 N-m (2.2 kgf-m,

16 Ibf-ft)

IDLE AIR CONTROL

(IAC) VALVE

8 x
1.25
mm

22 N-m (2.2 kgf-m,

16 Ibf-ft)
INTAKE AIR BYPASS

VALVE BODY

Replace if cracked or if

mating surfaces are

damaged.

6 x 1.0 mm

12 N-m (1.2 kgf-m,

8.7 Ibf-ft)

EXHAUST GAS

RECIRCULATION

(EGR) PIPE

INTAKE MANIFOLD

CHAMBER

Replace if cracked or

if mating surfaces

are damaged.

8 x
1.25
mm

22 N-m (2.2 kgf-m,

16 Ibf-ft)

GASKETS

Replace.
O-RINGS

Replace.

GASKETS

Replace.
GASKETS

Replace.
GASKET

Replace.ProCarManuals.com

Exhaust Manifol d
Replacemen t
NOTE: Us e ne w gasket s an d self-lockin g nut s whe n reassembling .
CAUTION:
Check fo r fold s o r scratche s o n th e surfac e o f th e gasket .
Replac e wit h a ne w gaske t i f damaged .
LEFT:10 x 1.2 5 mmHEA T 2 5 N- m (2. 5 kgf-m ,
SHIEL D 1 8 Ibf-ft )
GASKE T
Replace .
SELF-LOCKIN G NU T
8 x 1.2 5 mm30 N- m (3. 1 kgf-m ,
2 2 Ibf-ft )
Apply engin e oi l t o th enut threads .Replace. LEF
T PRIMAR Y
HEATE D OXYGE N
SENSO R (LEF T
PRIMAR Y HO2S )
(BAN K 2 , SENSO R 1 )
44 N- m (4. 5 kgf-m ,33 Ibf-ft )
Replacement , pag e 9- 6
LEF T EXHAUS T
MANIFOLD
COVER
8 x 1.2 5 mm22 N- m (2. 2 kgf-m , 1 6 Ibf-ft )
RIGHT :
8 x 1.2 5 mm22 N- m (2. 2 kgf-m ,
1 6 Ibf-ft ) HEA
T
SHIEL D
RIGH T PRIMAR Y
HEATE D OXYGE N
SENSO R (RIGH T
PRIMAR Y HO2S )
(BAN K 1 , SENSO R 1 )
4 4 N- m (4. 5 kgf-m ,
3 3 Ibf-ft )
Replacement , pag e 9- 6
RIGH T EXHAUS T
MANIFOLD
COVER8 x 1.2 5 mm22 N- m (2. 2 kgf-m , 1 6 Ibf-ft ) GASKE
T
Replace .
SELF-LOCKIN G NU T
8 x 1.2 5 mm30 N- m (3. 1 kgf-m , 2 2 Ibf-ft )Apply engin e oi l t o th enut threads .Replace .
ProCarManuals.com

Exhaust Pip e an d Muffle r
Replacemen t
NOTE: Us e ne w gasket s an d self-lockin g nut s whe n reassembling .
GASKETReplace .
6 x 1. 0 m m9.8 N- m (1. 0 kgf-m , HEA T
7. 2 Ibf-ft ) SHIEL D
MUFFLER
TW C TORQU E SEQUENC E
EXHAUS T
PIPE B
GASKE TReplace .
GASKET S
Replace .
SELF-LOCKIN G NU T
10 x 1.2 5 mm54 N- m (5. 5 kgf-m ,
4 0 Ibf-ft )
Replace .
SELF-LOCKIN G NU T
10 x 1.2 5 mm33 N- m (3. 4 kgf-m ,
2 5 Ibf-ft )
Replace .
SELF-LOCKIN G NU T8 x 1.2 5 mm23 N- m (2. 3 kgf-m ,
1 7 Ibf-ft )
Replace .
SELF-LOCKIN G NU T
10 x 1.2 5 mm33 N- m (3. 4 kgf-m ,
2 5 Ibf-ft )
Replace .
SECONDAR Y HEATE D
OXYGE N SENSO R
(SECONDAR Y HO2S )
(SENSO R 2 )
4 4 N- m (4. 5 kgf-m ,
3 3 Ibf-ft )
Replacement,page 9- 7
GASKE TReplace .
THRE E WA Y CATALYTI C
CONVERTE R (TWC )
Inspection , pag e 9- 6
SELF-LOCKIN G NU T
10 x 1.2 5 mm54 N- m (5. 5 kgf-m ,40 Ibf-ft )Replace .
EXHAUS T
PIP E A
SELF-LOCKIN G NU T
8 x 1.2 5 mm23 N- m (2. 3 kgf-m , 1 7 Ibf-ft )Replace .
GASKETReplace .
EXHAUS
T JOIN T
PIPE
SELF-LOCKIN G NU T8 x 1.2 5 mm22 N- m (2. 2 kgf-m ,
1 6 Ibf-ft )
Replace .
ProCarManuals.com

TWC
Inspectio n
Using a flashlight , mak e a visua l chec k fo r plugging ,
meltin g o r crackin g o f th e catalyst .
TWC
FLASHLIGH T
ProCarManuals.com

HO2S
Replacemen t
Primary HO2S :
1 . Disconnec t th e lef t and/o r righ t primar y HO2 S con -
nector , the n remov e th e lef t and/o r righ t primar y
H02S .
LEFT:
LEFT PRIMAR Y
HO2 S CONNECTO R O2 SENSO
R SOCKE T
WRENC H
07LAA-PT5010 144 N- m (4. 5 kgf-m ,
3 3 Ibf-ft )
RIGHT :O2 SENSO R SOCKE T
WRENC H
07LAA-PT5010 1
4 4 N- m (4. 5 kgf-m , 3 3 Ibf-ft )
RIGH T PRIMAR Y
H02S CONNECTO R
2. Instal l th e lef t and/o r righ t primar y HO2 S in revers e
orde r o f removal .
T
ProCarManuals.com

Secondary HO2S :
1 . Mov e th e fron t passenger' s sea t forward .
Pul l th e carpe t bac k t o expos e th e secondar y HO2 S
connector .
2 . Disconnec t th e secondar y HO2 S connector .
SECONDAR YHO2S CONNECTO R
3. Remov e th e wir e harnes s cover , the n remov e th e
grommet .
WIRE HARNES S GROMME TCOVER
HEATSHIEL D
6 x 1. 0 m m9.8 N- m (1. 0 kgf-m , 7. 2 Ibf-ft )
4. Remov e th e hea t shields . 5
. Remov e th e secondar y HO2S .
SECONDAR Y HO2 S
4 4 N- m (4. 5 kgf-m , 3 3 Ibf-ft )
O
2 SENSO R WRENC H
(Commerciall y available )
6. Instal l th e secondar y HO2 S i n revers e orde r o f
removal .
ProCarManuals.com

Radiator
Illustrate d Inde x
Syste m is unde r hig h pressur e whe n th e
engin e i s hot . T o avoi d dange r o f releasin g scaldin g
coolant , remov e th e ca p onl y whe n th e engin e is cool .
Tota l Coolin g Syste m Capacit y (Includin g heate r an d
reservoir )
8.6 (9. 1 US qt , 7. 6 Im p qt )
Reservoi r capacity : 0.6 5 (0.6 9 U S qt , 0.5 7 Im p qt ) CAUTION
: Whe n pourin g engin e coolant , b e sur e t o
shu t th e rela y bo x li d an d no t t o spil l coolan t o n th e elec -
trica l part s o r th e painte d portion . I f an y coolan t spills ,
rins e it of f immediately .
NOTE:
Check al l coolin g syste m hose s fo r damage , leak s o r
deterioratio n an d replac e if necessary .
Chec k al l hos e clamp s an d retighte n i f necessary .
Us e ne w O-ring s whe n reassembling .
AUTOMATIC TRANSMISSIO NFLUID (ATF ) COOLE R HOSE SRefer t o sectio n 1 4 whe ninstalling .
RADIATO R CA PPressur e testing , pag e 10-7
6 x 1. 0 m m9 N- m (0. 9 kgf-m ,7 Ibf-ft )
RADIATO REngine coolan tRefilling an d bleeding , pag e 10-6Lea k test , pag e 10-7Inspec t soldere d joint s an dseam s fo r leaks .Blow ou t dir t fro m betwee ncore fin s wit h compresse d air .If insects , etc. , ar e cloggin gradiator, was h the m of f wit hlow-pressur e water .
CONDENSE RFAN SHROU D
6 x 1. 0 m m7 N- m (0. 7 kgf-m ,5 Ibf-ft )
O-RIN GReplace .
RADIATO R FA NCONTRO L SENSO R27 N- m (2. 8 kgf-m ,20 Ibf-ft )
FAN MOTO RRADIATO R FA NSHROU D
RADIATO RFAN
LOWE R RADIATO RHOSE
SELF-LOCKIN G NU T5.4 N- m (0.5 5 kgf-m , 3. 3 Ibf-ft )
O-RIN GReplace .
DRAINPLUG
UPPE R RADIATO RHOSE
ProCarManuals.com

Engine Hos e Connections :
HEATERHOSES
FAS T IDL E THERM O
VALV E
HEATE RVALVE
WATE R BYPAS S
HOSE S
IDL E AI R
CONTRO L
VALV E
THERMOSTA THOUSING
REAR WATE R
OUTLE T
AT F COOLE R
HOSE S
Refe r t o sectio n 1 4
whe n installing .
ATF COOLE RLINES
COOLAN TRESERVOI R
ProCarManuals.com

Radiator
Replacemen t
1. Drai n th e engin e coolant .
2 . Remov e th e uppe r an d lowe r radiato r hose s an d AT F
coole r hoses .
3 . Disconnec t th e fa n moto r connector s an d radiato r fa n
contro l senso r connector .
4 . Remov e th e radiato r uppe r brackets , the n pul l u p
th e radiator . 5
. Remov e th e fa n shrou d assemblie s an d othe r part s
fro m th e radiator .
Instal l th e radiato r i n th e revers e orde r o f removal .
NOTE:
Set th e uppe r an d lowe r cushion s securely .
Fil l th e radiato r wit h engin e coolan t an d blee d th e air .
6 x 1. 0 m m9 N- m (0. 9 kgf-m ,
7 Ibf-ft )
CONDENSE R
FA N SHROU D
6 x 1. 0 m m7 N- m (0. 7 kgf-m ,
5 Ibf-ft )
FA N MOTO R
CONNECTO R AT
F COOLE R
HOSESRefer t o sectio n 1 4whe n installing .
UPPER RADIATO RHOSERADIATO RCAP
UPPE R BRACKE TAND CUSHIO N
RADIATO R
O-RINGReplace .
LOWERCUSHIO N
RADIATO R FA N
CONTRO L SENSO R
2 7 N- m (2. 8 kgf-m ,
2 0 Ibf-ft )
LOWE R RADIATO RHOSE
RADIATO R FA N
SHROU D
RADIATO R FA N
CONTRO L SENSO R
CONNECTO R FA
N MOTO R
CONNECTO RDRAI
N
PLUG
O-RIN GReplace .
6 x 1. 0 m m9.8 N- m (1. 0 kgf-m ,
7. 2 Ibf-ft )
ProCarManuals.com

Engine Coolan t Refillin g an d Bleedin g
'96 -0 0 models :
CAUTION : Whe n pourin g engin e coolant , b e sur e t o
shu t th e rela y bo x li d an d no t t o le t coolan t spil l o n th e
electrica l part s o r th e paint . I f an y coolan t spills , rins e it
of f immediately .
NOTE:
Perfor m thi s procedur e whe n th e engin e is cool .
Befor e replacin g th e coolant , tur n th e ignitio n O N (II) ,
slowl y tur n th e climat e contro l temperatur e kno b t o
90° , an d tur n of f th e ignition . Thi s wil l allo w th e
coolan t i n th e heate r t o drai n ou t wit h th e res t o f th e
system .
Whe n th e radiato r i s cool , remov e th e radiato r cap .
Loose n th e drai n plug , an d drai n th e coolant .
DRAINPLUG
DRAI N CA P
2. Remov e th e drai n cap from th e coolan t drai n pip e
t o drai n th e block .
3 . Pu t th e drai n ca p bac k i n place , the n reinstal l th e
cli p o n th e drai n ca p securely .
4 . Tighte n th e radiato r drai n plu g securely .
5 . Remove , drai n an d reinstal l th e reservoir . Fil l th e
tan k halfwa y t o th e MA X mar k wit h water , the n u p
t o th e MA X mar k wit h antifreeze . 6
. Mi x th e recommende d antifreez e wit h a n equa l
amoun t o f wate r i n a clea n container .
NOTE:
Alway s us e onl y genuin e Hond a antifreeze /
coolant .
Fo r bes t corrosio n protection , th e coolan t con -
centratio n mus t b e maintaine d year-roun d a t
50 % minimum . Coolan t concentration s les s tha n
50% ma y no t provid e sufficien t protectio n
against corrosio n o r freezing .
Coolan t concentration s greate r tha n 60 % wil l
impai r coolin g efficienc y an d ar e no t recom -
mended .
CAUTION :
Do no t mi x differen t brand s o f antifreeze/coolants .
D o no t us e additiona l rus t inhibitor s o r anti-rus t
products ; the y ma y no t b e compatibl e wit h th e
coolant .
Engine Coolan t Refil l Capacit y [Includin g reservoi r
(0.65 (0.6 9 U S qt , 0.5 7 Im p qt))] :
6.1 (6. 4 US qt , 5. 4 Im p qt )
7. Remov e th e engin e cove r (se e pag e 5-3 ).
8 . Loose n th e ai r blee d bol t i n th e wate r passage , the n
fill th e radiato r to th e botto m of th e fille r nec k with
the coolan t mixture . Tighte n th e blee d bol t a s soo n
a s coolan t start s t o ru n ou t i n a stead y strea m with -
ou t bubbles .
9 . Wit h th e radiato r ca p off , star t th e engin e an d le t i t
ru n unti l i t i s warme d u p (radiato r fa n come s o n a t
leas t twice) . Then , i f necessary , ad d mor e coolan t mi x
t o brin g th e leve l bac k u p t o th e botto m o f th e fille r
neck .
10. Pu t th e radiato r ca p o n tightly , the n ru n th e engin e
agai n an d chec k fo r leaks .
BLEE D BOL T9.8 N- m (1. 0 kgf-m , 7. 2 Ibf-ft )
ProCarManuals.com