1995 ACURA TL Service Repair Manual

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 . MUFFLE
R
With th e transmissio n in th e position .Quickly depres s th e accelerato r peda l t oful l throttl e to rais e th e engin e spee dto 4,00 0 - 5,00 0 rpm , the n releas e
th e accelerato r quickly . A snappin g soun d
should b e heard .
EXHAUS T PIP E
TIP S
EXHAUS T
PIP E B
6 x 1. 0 m m9.8 N- m (1. 0 kgf-m ,
7. 2 Ibf-ft )
HEAT
SHIEL D
GASKE TReplace .
6 x 1. 0 m m9.8 N- m (1. 0 kgf-m ,
7. 2 Ibf-ft )
SECONDAR Y HEATE D
OXYGE N SENSO R
(SECONDAR Y HO2S )
Replacement ,
pag e 9- 6
GASKE TReplace .
EXHAUS T JOIN T
PIPE
THRE E WA Y CATALYTI C
CONVERTE R (TWC )
Inspection , pag e 9- 5
GASKE TReplace .
EXHAUS T
PIP E A SELF-LOCKIN
G NU T
10 x 1.2 5 mm54 N- m (5. 5 kgf-m ,
4 0 Ibf-ft )
Replace .
8 x 1.2 5 mm22 N- m (2. 2 kgf-m , 1 6 Ibf-ft )Replace .
TWC TORQU E SEQUENC E
SELF-LOCKING NU T
10 x 1.2 5 mm33 N- m (3. 4 kgf-m ,
2 5 Ibf-ft )
Replace .
SELF-LOCKIN G NU T10 x 1.2 5 mm33 N- m (3. 4 kgf-m ,
2 5 Ibf-ft )
Replace .
SELF-LOCKIN G NU T10 x 1.2 5 mm54 N- m (5. 5 kgf-m ,
4 0 Ibf-ft )
Replace .
GASKETReplace .
GASKETReplace .
SELF-LOCKIN G NU T8 x 1.2 5 mm29 N- m (3. 0 kgf-m ,
2 2 Ibf-ft )
Replace .
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Inspection

1. Using a flashlight, make a visual check for plugging,

melting or cracking of the catalyst.
TWCProCarManuals.com

Replacement

Primary HO2S:

1. Disconnect the left and/or right primary HO2S con-

nector, then remove the left and/or right primary

HO2S.

LEFT:
HO2S

LEFT PRIMARY HO2S

O2 SENSOR SOCKET

WRENCH 07LAA - PT50101

44 N-m (4.5 kgf-m,

33 Ibf-ft)

RIGHT:

RIGHT PRIMARY HO2S

O2 SENSOR SOCKET

WRENCH 07LAA - PT50101

44 N-m (4.5 kgf-m, 33 Ibf-ft)

2. Install the left and/or right primary HO2S in reverse

order of removal.

(cont'd)ProCarManuals.com

HO2S

Replacement (cont'd)

Secondary HO2S:

1. Move the front passenger's seat forward.

Pull the carpet back to expose the secondary H02S

connector.

2. Disconnect the secondary H02S connector.

SECONDARY

HO2S CONNECTOR

3. Remove the wire harness cover, then remove the

grommet.

4. Remove the heat shields.

WIRE HARNESS GROMMET

COVER

HEAT

SHIELD

6 x 1.0 mm

9.8 N-m (1.0 kgf-m, 7.2 Ibf-ft)
5. Remove the secondary H02S.

SECONDARY HO2S

44 N-m (4.5 kgf-m, 33 Ibf-ft)

O2 SENSOR WRENCH

(Commercially available)

6. Install the secondary H02S in reverse order of

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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 )
7.7 (8. 1 US qt , 6. 8 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:
• Chec k 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 if necessary .
• Us e ne w O-ring s whe n reassembling .
RADIATOR CA PPressur e testing , pag e 10- 6RADIATO REngine coolan t
Refillin g an d bleeding , pag e 10- 5
Leak test , pag e 10- 6Inspec 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 .
AUTOMATI C TRANSMISSIO NFLUID (ATF ) COOLE R HOSE SRefer t o sectio n 1 4 whe ninstalling .
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Engine Hos e Connections :
HEATERVALVEHEATE RHOSES
IDL E AI R
CONTRO LVALVE
WATE R BYPAS S
HOSES
THERMOSTA THOUSING
FAST IDL E THERM O
VALV E
REA R WATE R
OUTLE T
AT F COOLE R
HOSE S
Refe r t o sectio n 1 4
whe n installing .
ATF COOLE R
PIP E
COOLAN T
RESERVOI R
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Radiator
5. Remov e th e fa n shrou d assemblie s an d othe r part s
from th e radiator .
Install 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 .
VACUU MTANK
6 x 1. 0 m m8 N- m (0. 8 kgf-m ,6 Ibf-ft )
CONDENSO RFAN SHROU D
6 x 1. 0 m m7 N- m (0. 7 kgf-m ,
5 Ibf-ft )
FAN MOTO RCONNECTO R
RADIATO R FA N
SHROU D
ATF COOLE R
HOSE S
Refe r t o sectio n 1 4
whe n installing .
UPPER RADIATO R
HOS E RADIATO
RCAP6 x 1. 0 m m9.8 N- m (1. 0 kgf-m ,
7. 2 Ibf-ft )
UPPE R BRACKE T
AND CUSHIO N
RADIATO R
LOWE R
CUSHIO N
O-RINGReplace .
ECT SWITC H24 N- m (2. 4 kgf-m ,17 Ibf-ft )
LOWE R RADIATO R
HOS E
FA N MOTO R
CONNECTO R
ECT SWITC HCONNECTO R
DRAINPLUG
O-RIN GReplace .
Replacemen t
1. Drai n th e engin e coolant .
2 . Remov e th e uppe r an d lowe r radiato r hoses , an d
AT F coole r hoses .
3 . Disconnec t th e fa n moto r connector s an d EC T
switc h connector .
4 . Remov e th e radiato r uppe r brackets , the n pul l u p
th e radiator .
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Engine Coolan t Refillin g an d Bleedin g
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 .
1 . 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 -
se t buttons .
2 . Disconnec t th e batter y negativ e termina l first , the n
th e positiv e terminal , the n remov e th e batter y an d
batter y bas e (se e pag e 5-4 ).
3 . 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 .
4 . Remov e th e drai n bol t fro m th e lef t sid e o f th e cylin -
de r bloc k t o drai n th e block .
DRAINPLUG
5.
WASHE RReplace .DRAIN BOL T64 N- m (6. 5 kgf-m ,
4 7 Ibf-ft )
Apply liqui d gaske t t o th e drai n bol t threads , the n
reinstal l th e bol t wit h a ne w washe r an d tighte n i t
securely .
6. Tighte n th e radiato r drai n plu g securely .
7 . 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 . 8
. 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:
Use 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
agains t 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 :
D o 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))] :
3.2 (3. 4 US qt , 2. 8 Im p qt )
9. Loose n th e ai r blee d bol t i n th e wate r passage , the n
fill th e radiato r t o th e botto m o f th e fille r nec k wit h
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 .
10 . 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 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 to th e botto m o f th e fille r neck .
11 . Pu t th e radiato r cap on tightly , the n ru n th e engin e
agai n an d chec k fo r leaks .
12 . Ente r th e anti-thef t cod e fo r th e radio , the n ente r th e
customer' s radi o statio n presets .
BLEED BOL T9.8 N- m (1. 0 kgf-m , 7. 2 Ibf-ft )
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