ACURA TL 1995 Service Manual PDF
Page 61 of 1771
Timing Bel t
Illustrate d Inde x
NOTE :
Refe r t o pag e 6- 8 fo r ho w to positio n th e crankshaft and pulle y befor e installin g th e belt .
Mark th e directio n o f rotatio n o n th e bel t befor e removin g it .
Do no t us e th e uppe r cover s an d lowe r cove r t o stor e remove d items .
Clea n th e uppe r cover s an d lowe r cove r befor e installin g them .
Replac e th e camshaf t seal s an d crankshaf t seal s i f ther e is oi l leakage .
Refer t o pag e 6- 3 befor e installin g th e timin g belt .
Remov e th e cente r bracke t befor e removin g th e crankshaf t pulle y (se e pag e 6-5 ).
TIMIN G BEL TDRIV E PULLE YReplacement , pag e
Instal l wit h concav e
surfac e facin g out . Instal
l wit h concav e
surfac e facin g in .6-3
TIMIN G BEL T
Inspection , pag e 6- 5
Adjustment , pag e 6-5
Removal , pag e 6- 6
Installation , pag e 6- 8
RIGH T UPPE R
COVE R
6 x 1. 0 m m12 N- m (1. 2 kgf-m ,8.7 Ibf-ft )
PULLE Y BOL T
16 x 1. 5 m m245 N- m (25. 0 kgf-m ,
18 1 Ibf-ft )
Replacement , pag e 6- 3
Do no t us e a n impac twrench whe n installin g ADJUSTIN
G BOL T
10 x 1.2 5 mm42 N- m (4. 3 kgf-m ,31 Ibf-ft )
IDLER PULLE YBRACKE T
8 x 1.2 5 mm22 N- m (2. 2 kgf-m , 1 6 Ibf-ft )
6 x 1. 0 m m12 N- m (1. 2 kgf-m , 8. 7 Ibf-ft )
RUBBE R SEA LReplac e whe n damage d
o r deteriorated .
6 x 1. 0 m m12 N- m (1. 2 kgf-m , 8. 7 Ibf-ft )
CRANKSHAF T PULLE YReplacement , pag e 6- 3
LEF T UPPE RCOVER
RUBBE R SEAL SReplac e whe n damage d
o r deteriorated .
O-RINGReplace .
LOWERCOVER
KEY
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Page 62 of 1771
InspectionTension Adjustmen t
1. Remov e th e lef t uppe r cover .
2 . Remov e th e cente r bracket .
NOTE:
Suppor t th e engin e wit h a jac k befor e removin g
th e cente r bracke t i s removed .
Mak e sur e t o plac e a cushio n betwee n th e oi l
pan an d th e jack .
Refe r t o pag e 5-1 6 whe n installin g th e cente r
bracket .
10 x 1.2 5 mm54 N- m (5. 5 kgf-m , 4 0 Ibf-ft )
12 x 1.2 5 mm54 N- m (5. 5 kgf-m ,
4 0 Ibf-ft ) CENTE
RBRACKE T
3. Inspec t th e timin g bel t fo r crack s an d oi l o r coolan t
soaking .
NOTE:
Replac e th e bel t i f oi l o r coolan t soaked .
Remov e an y oi l o r solven t tha t get s o n th e belt .
Inspec t thi s area -for wear .
Rotate pulle y an dinspec t belt .
CAUTION :
Always adjus t th e timin g bel t tensio n wit h th e engin e
cold.
Do no t rotat e th e crankshaf t whe n th e adjustin g bol t
i s loose .
NOTE :
The tensione r i s spring-loade d t o appl y tensio n t o th e
bel t automaticall y afte r makin g th e followin g adjust -
ment .
Inspec t th e timin g bel t befor e adjustin g th e bel t ten -
sion .
Alway s rotat e th e crankshaf t clockwis e whe n viewe d
fro m th e pulle y side . Rotatin g it counterclockwis e ma y
resul t i n imprope r adjustmen t o f th e bel t tension .
1 . Remov e th e lef t uppe r cover .
2 . Remov e th e cente r bracke t (A s show n in th e lef t col -
umn) .
3. Se t th e No . 1 pisto n a t TD C (se e pag e 6-10 ).
4 . Rotat e th e crankshaf t clockwis e nin e teet h o n th e
camshaf t pulle y (Th e blu e mar k o n th e crankshaf t pul -
le y shoul d lin e u p wit h th e pointe r o n th e lowe r cover) .
5 . Loose n th e timin g bel t adjustin g bol t 180° .
6 . Tighte n th e adjustin g bolt , torqu e to 4 2 N- m (4. 3 kgf-m ,
31 Ibf-ft) .
ADJUSTIN G BOL T
4 2 N- m (4. 3 kgf-m ,
3 1 Ibf-ft )
BLUE MAR K
TD C MAR K
POINTE
R O N
LOWE R COVE R
Directio nof rotation .
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Page 63 of 1771
Timing Bel t
Remova l
NOTE:
Replac e th e timin g bel t a t 105,00 0 mile s (168,00 0 km )
accordin g t o th e maintenanc e schedul e (norma l con -
ditions/sever e conditions) .
I f th e vehicl e is regularl y drive n i n on e o r mor e o f th e
followin g conditions , replac e th e timin g bel t a t 60,00 0
mile s (U.S.A. ) 100,00 0 k m (Canada) .
I n ver y hig h temperature s (ove r 110°F , 43°C )
I n ver y lo w temperature s (unde r -20°F , -29°C )
Tur n th e crankshaf t pulle y s o th e No . 1 pisto n i s a t
to p dea d cente r (TDC ) befor e removin g th e bel t (se e
pag e 6-8 ).
Inspec t th e wate r pum p befor e installin g th e timin g
bel t (se e pag e 10-10 ).
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 prese t
buttons .
2. Disconnec t th e negativ e termina l fro m th e battery .
3 . Remov e th e cente r bracket .
NOTE:
Suppor t th e engin e wit h a jac k befor e removin g
th e cente r bracke t i s removed .
Mak e sur e to plac e a cushio n betwee n th e oi l pa n
and th e jack .
Refer t o pag e 5-1 6 whe n installin g th e cente r
bracket. 10 x 1.25 mm54 N- m (5. 5 kgf-m ,
4 0 Ibf-ft )
4.
5.
CENTE RBRACKE T12 x 1.2 5 mm54 N- m (5. 5 kgf-m ,
4 0 Ibf-ft )
Loose n th e mountin g bolt , loc k bol t an d adjustin g
rod , the n remov e th e alternato r bel t (se e pag e 5-7 ).
Loose n th e idle r pulle y cente r nu t an d adjustin g
bolt, the n remov e th e ai r conditionin g (A/ C com -
presso r bel t (se e pag e 5-7 ).
6 .Loose n th e mountin g bolt , locknu t an d adjustin g
bolt , the n remov e th e powe r steerin g (P/S ) pum p belt .
LOCKNU T8 x 1.2 5 mm22 N- m (2. 2 kgf-m ,
1 6 Ibf-ft )
ADJUSTIN GBOLT
MOUNTING BOL T
10 x 1.2 5 mm44 N- m (4. 5 kgf-m ,
3 3 Ibf-ft )
P/S PUM PBELT
7. Remov e th e TC S uppe r an d lowe r brackets .
NOTE : Refe r t o sectio n 1 9 whe n installin g th e brack -
ets.
TC S UPPE RBRACKE T
6 x 1. 0 m m12 N- m (1. 2 kgf-m ,
8. 7 Ibf-ft )
TC S LOWE R
BRACKE T
8 x 1.2 5 mm22 N- m (2. 2 kgf-m ,
1 6 Ibf-ft )
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Page 64 of 1771
8. Disconnect the TCS throttle sensor connector and
TCS throttle actuator connector, then remove the
TCS control valve assembly.
Do not disconnect the breather pipe bypass hose.
TCS THROTTLE SENSOR
CONNECTOR
TCS THROTTLE
ACTUATOR CONNECTOR
TCS CONTROL VALVE
ASSEMBLY
9. Remove the oil pressure switch connector, engine
ground cable and engine wire harness cover.
6 x 1.0 mm
12 N-m (1.2 kgf-m, 8.7 Ibf-ft)
OIL PRESSURE
SWITCH CONNECTOR
ENGINE
GROUND
CABLE
ENGINE WIRE
HARNESS COVER
10. Remove the idler pulley bracket, dipstick and pipe.
6 x 1.0 mm
12 N-m (1.2 kgf-m,
8.7 Ibf-ft)
DIPSTICK/PIPE
8 x
1.25
mm
22 N-m (2.2 kgf-m, 16 Ibf-ft)
11. Remove the crankshaft pulley.
12. Remove the upper and lower covers.
NOTE: Do not use the upper and lower covers to
store removed items.
UPPER COVERS
Clean.
6 x 1.0 mm
12 N-m (1.2 kgf-m,
8.7 Ibf-ft)
LOWER COVER
Clean.
IDLER PULLEY
BRACKET
O-RING
Replace.ProCarManuals.com
Page 65 of 1771
Timing Belt
Removal (cont'd)
13. Loosen the adjusting bolt 180°. Push the tensioner to
remove tension from the timing belt, then retighten
the adjusting bolt.
ADJUSTING BOLT
10 x
1.25
mm
42 N-m (4.3 kgf-m, 31 Ibf-ft)
14. Remove the timing belt.ProCarManuals.com
Page 66 of 1771
Timing Bel t
Installatio n
Install th e timin g bel t i n th e revers e orde r o f removal ;
Onl y ke y point s ar e describe d here .
CAUTION : D o no t rotat e th e crankshaf t pulle y o r
camshaf t pulley s wit h th e timin g bel t removed . Th e pis -
ton s ma y hi t th e valve s an d caus e damage .
1 . Remov e th e spar k plugs .
2. Se t th e timin g bel t driv e pulle y s o tha t th e No . 1 pis -
ton i s a t to p dea d cente r (TDC) . Alig n th e TD C mar k
on th e toot h o f th e timin g bel t driv e pulle y wit h th e
pointe r o n th e oi l pump .
POINTE R
TIMIN G BEL T
DRIV E PULLE Y
Clean . TD
C MAR K
3. Se t th e camshaf t pulley s s o tha t th e No . 1 pisto n is a t
TDC . Alig n th e TD C mark s o n th e camshaf t pulley s t o
th e pointer s o n th e bac k covers .
LEFT:
TDC MAR K(BLUE )
POINTE R O N TH E
BAC K COVE R
(YELLOW )
LEFT CAMSHAF TPULLEY
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Page 67 of 1771
RIGHT:
POINTE R O N TH E
BAC K COVE R
(YELLOW )
TDC MAR K(RED)
RIGHT CAMSHAF TPULLEY
4. Instal l th e timin g bel t i n th e sequenc e shown .
(1) Timin g bel t driv e pulle y (crankshaft ) (2 ) Adjustin g
pulley (3 ) Lef t camshaf t pulle y (4) Wate r pum p
pulley (5) Right camshaf t pulley .
NOTE:
For easie r installation , advanc e th e righ t camshaf t
pulle y b y abou t a hal f toot h fro m th e TD C position .
Mak e sur e th e timin g bel t driv e pulle y an d cam -
shaf t pulley s ar e a t TDC . 5
. Loose n an d retighte n th e adjustin g bol t t o tensio n
th e timin g belt .
6 . Instal l th e uppe r an d lowe r covers .
NOTE: Clea n th e uppe r an d lowe r cover s befor e instal -
lation.
UPPE R COVER S
Clean .
6 x 1. 0 m m12 N- m (1. 2 kgf- m
8. 7 Ibf-ft )
LOWER COVE R
Clean .
7. Instal l th e crankshaf t pulley , the n tighte n th e pulle y
bol t (se e pag e 6-3 ).
8 . Rotat e th e crankshaf t pulle y abou t fiv e o r si x turn s
clockwis e s o tha t th e timin g bel t position s o n th e pul -
leys .
Directio n o frotation .
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Page 68 of 1771
Timing Bel t
Installatio n (cont'd )
9. Adjus t th e timin g bel t tensio n (se e pag e 6-5 ).
10 . Chec k tha t th e crankshaf t pulle y an d camshaf t pul -
ley s ar e a t TDC .
CRANKSHAF T PULLEY :
TDC MAR K
(WHITE )
LEFT CAMSHAF T PULLEY :
POINTER O NTH E UPPE R COVE R
RIGHT CAMSHAF T PULLEY :
POINTER O NTH E UPPE R COVE R POINTE
R O N TH E
LOWE R COVE R
TD C MAR K
(BLUE )
INSPECTIO NHOLEAfter checking ,install th e rubbe rcap.
TDC MAR K(RED)
INSPECTIO N HOL EAfter checking ,install th e rubbe rcap.
11. I f eithe r camshaf t pulle y i s no t positione d a t TDC ,
remov e th e timin g bel t an d adjus t th e positionin g fol -
lowin g th e procedur e o n pag e 6-8 , the n reinstal l th e
timin g belt .
12. Afte r installation , adjus t th e tensio n o f eac h belt .
Se e sectio n 2 3 fo r alternato r bel t tensio n adjust -
ment .
Se e sectio n 2 2 fo r A/ C compresso r bel t tensio n
adjustment .
Se e sectio n 1 7 fo r P/ S pum p bel t tensio n adjust -
ment .
13 . Ente r th e anti-theft code fo r th e radio , the n ente r th e
customer' s radi o statio n presets .
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Page 69 of 1771
CKP/CYP Senso r
Replacemen t
1. Remov e th e cente r bracke t (se e pag e 6-6 ).
2 . Tur n th e crankshaf t s o tha t th e No . 1 pisto n i s a t to p
dea d cente r (se e pag e 6-10 ).
3 . Remov e th e uppe r covers .
4 . Remov e th e timin g bel t fro m th e righ t an d lef t cam -
shaf t pulley s (se e pag e 6-6 ).
5 . Remov e th e lef t camshaf t pulley .
6 . Remov e th e lef t bac k cover .
7 . Remov e th e CKP/CY P senso r fro m th e lef t cylinde r
head .
RIGH TUPPE R COVE R
6 x 1. 0 m m12 N- m (1. 2 kgf-m ,
8. 7 Ibf-ft )
8. Instal l th e CKP/CY P senso r i n th e revers e orde r o f
removal ;
Refe r t o pag e 6- 8 whe n installin g th e timin g belt .
RUBBE R SEAL SReplac e whe n damage dor deteriorated .
8 x 1.2 5 mm31 N- m (3. 2 kgf-m ,
2 3 Ibf-ft )
6 x 1. 0 m m12 N- m (1. 2 kgf-m , 8. 7 Ibf-ft )
LEF T CAMSHAF T
PULLE Y
RUBBE R SEA L
Replac e whe n damage dor deteriorated .
LEFTUPPE R COVE R
6 x 1. 0 m m12 N- m (1. 2 kgf-m , 8. 7 Ibf-ft )
CKP/CY P
SENSO R
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Page 70 of 1771
Cylinder Head s
Illustrate d Inde x
CAUTION :
To avoi d damage , wai t unti l th e engin e coolan t temperatur e drop s belo w 100° F (38°C ) befor e removin g a cylinde r
head.
When handlin g a meta l gasket , tak e car e no t t o fol d it o r damag e th e contac t surface .
NOTE: Us e ne w O-ring s an d gasket s whe n reassembling .
6 x 1. 0 m m12 N- m (1. 2 kgf-m ,8.7 Ibf-ft )
RIGHT CAMSHAF T
PULLE Y
8 x 1.2 5 mm31 N- m (3. 2 kgf-m ,23 Ibf-ft )
6 x 1. 0 m m12 N- m (1. 2 kgf-m ,8.7 Ibf-ft ) ENGIN
E OI L TEMPERATUR E
SWITC H
2 7 N- m (2. 8 kgf-m ,
2 0 Ibf-ft )
Testing , pag e 8- 6HEA D COVE R GASKE TReplace whe n leaking , damage dor deteriorated .Apply liqui d gaske t a t th e fou r corner sof th e recesses , pag e 6-3 6
CYLINDE R HEA D COVE R
Refe r t o pag e 6-3 6 whe n
installing .
RUBBER SEAL S
Replac e whe n damage d
or deteriorated .
GROMMET
6 x 1. 0 m m12 N- m (1. 2 kgf-m ,
8. 7 Ibf-ft ) RUBBE
R SEA L
Replac e whe n damage dor deteriorated .
LEFT BAC K COVE R
8 x 1.2 5 mm31 N- m (3. 2 kgf-m , 2 3 Ibf-ft )6 x 1. 0 m m12 N- m (1. 2 kgf-m , 8. 7 Ibf-ft )
LEFT CAMSHAF T
PULLE Y CKP/CY
P
SENSO R
RIGH
T BAC K
COVE R O-RIN
G
Replace .
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