ACURA TL 1995 Service Repair Manual

Crankshaft Pulle y an d Pulle y Bol t
Replacemen t
When installin g an d tightenin g th e pulley , follo w th e procedur e below .
Clean , remov e an y oil , an d lubricat e point s show n below .
Clean
Remov e an y oi l
Lubricat eCRANKSHAF TPULLEY
WASHE R
PULLEY BOL T
TIMIN G BEL TDRIV E PULLE Y
CRANKSHAF T
TIMING BEL T
GUID E PLAT E
Crankshaf t pulle y bol t siz e an d torqu e value :
16 x 1. 5 m m
245 N- m (25. 0 kgf-m , 18 1 Ibf-ft )
NOTE :
Do no t us e a n impac t wrenc h whe n installing .
Alig n th e thumbscre w in th e holde r handl e wit h th e hol e in th e holde r attachment .
HOLDER HANDL E07JAB-001020 A
HOLDER ATTACHMENT ,
50 m m07NA B - 001040 A
SOCKET , 1 9 m m07JAA-001020 A(or Commerciall y available )
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Timing Bel t
Illustrate d Inde x
NOTE :
• Refe r t o pag e 6-1 1 fo r ho w to positio n th e crankshaf t an d pulle y befor e installin g th e belt .
• Mar k th e directio n o f rotatio n o n th e bel t befor e removing .
• D o no t us e th e uppe r cove r an d lowe r cove r fo r storin g remove d items .
• Clea n th e uppe r cove r an d lowe r cove r befor e installing .
• Replac e th e camshaf t seal s an d crankshaf t seal s i f ther e i s oi l leakage .
• Refe r t o pag e 6- 7 befor e installin g th e timin g bel t an d timin g balance r belt .
6 x 1. 0 m m12 N- m (1. 2 kgf-m ,
8. 7 Ibf-ft ) WASHE
R
Replac e whe n damage dor deteriorated .CYLINDER HEA DCOVE RRefer t o page s 6-35 , 6-3 6whe n installing .
HEAD COVE R GASKE T
Replac e whe n leaking ,
damage d o r deteriorated .Apply liqui d gaske t a tth e fou r corner s o f th e
recesses .
RUBBE R SEAL S
Replac e whe n damage d
or deteriorated .
UPPER COVE R
LOWE R COVE R
6 x 1. 0 m m12 N- m (1. 2 kgf-m ,
8. 7 Ibf-ft )
RUBBE RPLUG
CRANKSHAF T PULLE Y
Replacement , pag e 6- 7
PULLE Y BOL T16 x 1. 5 m m245 N- m (25. 0 kgf-m ,
18 1 Ibf-ft )
Replacement , pag e 6- 7
Do no t us e a n impac twrench whe n installing .
Install wit h concav esurface facin g in .
TIMIN G BEL TInspection , pag e 6- 9Adjustment , pag e 6- 9Removal , pag e 6-1 0Installation , pag e 6-1 1
TIMIN G BEL TDRIV E PULLE Y
Replacement , pag e 6- 7 ADJUSTIN
G BOL T10 x 1.2 5 mm44 N- m (4. 5 kgf-m , 3 3 Ibf-ft )
KEY6 x 1. 0 m m12 N- m (1. 2 kgf-m ,
8. 7 Ibf-ft )
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Inspection
1. Remov e th e cylinde r hea d cover .
• Refe r t o page s 6-35 , 6-3 6 whe n installing .
2 . Remov e th e uppe r cove r (se e pag e 6-8 ).
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
are a fo r wear .
Tensio n Adjustmen t
Rotate pulle yand inspec t belt .
4 . Afte r inspecting , retorqu e th e crankshaf t pulle y bol t
t o 24 5 N- m (25. 0 kgf-m , 18 1 Ibf-ft) . CAUTION
: Alway s adjus t th e timin g bel t tensio n wit h
th e engin e cold .
NOTE :
• Th e 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 .
• Alway s rotat e th e crankshaf t counterclockwis e whe n
viewe d fro m th e pulle y side . Rotatin g i t clockwis e
ma y resul t i n imprope r adjustmen t of the bel t ten -
sion .
• Inspec t th e timin g bel t befor e adjustin g th e bel t ten -
sion .
1 . Remov e th e cylinde r hea d cover .
• Refe r t o page s 6-35 , 6-3 6 whe n installing .
2 . Remov e th e uppe r cove r (se e pag e 6-8 ).
3 . Rotat e th e crankshaf t fiv e o r si x revolution s t o se t
th e belt .
4 . Se t th e No . 1 pisto n a t TD C (se e pag e 6-12 ).
5 . Loose n th e adjustin g bol t 180° .
ADJUSTIN G BOL T44 N- m (4. 5 kgf-m ,
3 3 Ibf-ft )
Directio n o frotation .
6. Rotat e th e crankshaf t counterclockwis e thre e teet h
o n th e camshaf t pulley .
7 . Tighte n th e adjustin g bolt .
8 . Afte r inspecting , retorqu e th e crankshaf t pulle y bol t
t o 24 5 N- m (25. 0 kgf-m , 18 1 Ibf-ft) .
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Tinning Bel t
Remova l
NOTE:
2.
3.
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 regularl y i s 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
page 6-12).
Inspec t th e wate r pum p (se e pag e 10-10 ).
Loose n th e adjustin g bolt , locknu t an d mountin g
bolt , the n remov e th e powe r steerin g (P/S ) pum p
bel t (se e pag e 5-4 ).
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 5-5 ).
Loose n th e adjustin g nut , loc k bol t an d mountin g
bolt , the n remov e th e alternato r belt .
MOUNTIN G BOL T10 x 1.2 5 mm44 N- m (4. 5 kgf-m ,
3 3 Ibf-ft )
ADJUSTIN GNUT
ALTERNATO RBELT
4. Remov e th e dipstic k an d pipe .
LOCK BOL T8 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 )
DIPSTICK/PIP EO-RINGReplace .
5. Remov e th e cylinde r hea d cover .
• Refe r t o page s 6-35 , 6-3 6 whe n installing .
6 . Remov e th e crankshaf t pulle y (se e pag e 6-7 ).
7 . Remov e th e uppe r cove r an d lowe r cover .
NOTE : D o no t us e th e uppe r an d lowe r cover s fo r
storin g remove d items .
UPPER COVE R
LOWE R
COVE R
6 x 1. 0 m m12 N- m (1. 2 kgf-m ,
8. 7 Ibf-ft )
8. Loose n th e adjustin g bol t 180° . Pus h th e tensione r
to remov e tensio n fro m th e timin g belt , the n
retighte n th e adjustin g bolt .
ADJUSTIN GBOLT
4 4 N- m (4. 5 kgf-m ,
3 3 Ibf-ft )
9. Remov e th e timin g belt .
1.
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Installation

Install the timing belt in the reverse order of removal;

Only key points are described here.

1. Set the timing belt drive pulley so that the No. 1 pis-

ton is at top dead center (TDC). Align the TDC mark

on the tooth of the timing belt drive pulley with the

V pointer on the oil pump.

POINTER
TDC MARK

(DIMPLE)

TIMING BELT

DRIVE PULLEY

Clean.

2. Set the camshaft pulley so that the No. 1 piston is at

TDC. Align the TDC mark on the camshaft pulley to

the pointer on the back cover.

CAMSHAFT

PULLEY

Clean.
"UP" MARK

TDC MARKS
3. Install the timing belt tightly in the sequence shown.

Timing belt drive pulley (crankshaft) _ Adjust-

ing pulley Water pump pulley Camshaft

pulley.

NOTE: Make sure the timing belt drive pulley and

camshaft pulley are at TDC.

4. Loosen and retighten the adjusting nut to tension

the timing belt.

5. Install the lower cover and upper cover.

NOTE: Clean the upper and lower covers before

installation.

UPPER COVER

LOWER

COVER
6 x 1.0 mm

12 N-m (1.2 kgf-m,

8.7 Ibf-ft)
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Timing Bel t
Installatio n (cont'd )
6. Instal l th e crankshaf t pulley , the n tighte n th e pulle y
bol t (se e pag e 6-7 ).
7 . Rotat e th e crankshaf t pulle y abou t fiv e o r si x turn s
counterclockwis e s o tha t th e timin g bel t position s o n
th e pulleys .
8 . Adjus t th e timin g bel t tensio n (se e pag e 6-9 ).
9 . Chec k tha t th e crankshaf t pulle y an d camshaf t pulle y
ar e bot h a t TDC .
CRANKSHAF T PULLEY :
POINTER S O N TH E
LOWE R COVE R
TDC MAR K
(WHITE )
CAMSHAF T PULLEY :
"UP" MAR K
TD C MARK S
10. I f th e camshaf t an d crankshaf t pulley s ar e no t posi -
tione d a t TDC , remov e th e timin g bel t an d adjus t
th e positionin g followin g th e procedur e o n pag e
6-11 , the n reinstal l th e timin g belt .
11 . 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 .
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TDC/CKP/CYP/CKF Sensor s
Replacemen t
1. Se t th e No . 1 pisto n is a t TD C (se e pag e 6-12 ).
2 . Remov e th e timin g bel t (se e pag e 6-10 ).
3 . Remov e th e CY P sensor , the n remov e th e camshaf t
pulley.
CYP SENSO R
6 x 1. 0 m m12 N- m (1. 2 kgf-m ,
8. 7 Ibf-ft )
CAMSHAF T
PULLE Y
10 x 1.2 5 mm69 N- m (7. 0 kgf-m , 5 1 Ibf-ft )Apply engin e oi l t o th ethreads .
4. Remov e th e crankshaf t spee d fluctuatio n (CKF ) sen -
sor.
CKFSENSO R
6 x 1. 0 m m12 N- m (1. 2 kgf-m ,
8. 7 Ibf-ft )
5. Disconnec t th e TDC/CKP/CY P senso r connecto r an d
CK F senso r connector .
6 . Remov e th e bac k cover , the n remov e th e TDC/CK P
sensor .
CKF SENSO R
CONNECTO R
TDC/CKP/CY P
SENSO R
CONNECTO R
TDC/CK P
SENSO R
6 x 1. 0 m m12 N- m (1. 2 kgf-m ,
8. 7 Ibf-ft )
BACKCOVE R
7. Instal l th e TDC/CKP/CYP/CK F senso r i n revers e orde r
of removal .
• Refe r t o pag e 6-1 1 whe n installin g th e timin g belt .
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Cylinder Hea d
Illustrate d Inde x
CAUTION :
• T o avoi d damage , wai t unti l th e engin e coolan t temperatur e drop s belo w 100° F (3 8 C ) befor e removin g th e cylinde r
head.
• Whe n 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 .
• Clea n th e oi l contro l orific e befor e installing .
CYLINDER HEA D BOL T12 x 1. 5 m m98. 1 N- m (10. 0 kgf-m , 72. 3 Ibf-ft )Tightening , pag e 6-3 4Appl y engin e oi l t o th e threads .
6 x 1. 0 m m12 N- m (1. 2 kgf-m , 8. 7 Ibf-ft )
LONGE R BOL T
CYLINDE R
HEA D
DOWE L PI N
CYLINDE R HEA D
GASKE T
Replace . CYLINDE
R HEA D COVE R
Refe r t o page s 6-35 , 6-3 6 whe n
installing .
HEAD 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
CAMSHAF T
PULLEY
OIL CONTRO L
ORIFIC E
Clean .
10 x 1.2 5 mm69 N- m (7. 0 kgf-m , 5 1 Ibf-ft )Apply engin e oi l t o th ethreads .
6 x 1. 0 m m12 N- m (1.2 kgf-m , 8. 7 Ibf-ft )
O-RIN G
Replac e
6 x 1. 0 m m12 N- m (1. 2 kgf-m ,
8. 7 Ibf-ft )
CKFSENSO R
8 x 1.2 5 mm22 N- m (2. 2 kgf-m ,
1 6 Ibf-ft )
TDC/CK
P
SENSO R
BACKCOVE R
CYP SENSO R
KEY
RUBBE R SEA L
Replac e whe n damage d
or deteriorated .
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Prior t o reassembling , clea n al l th e part s in solvent , dr y the m an d appl y lubrican t t o an y contac t parts .
ROCKE R AR M
ASSEMBL Y
Removal , pag e 6-2 0
Inspection , pag e 6-2 4
6 x 1. 0 m m12 N- m (1. 2 kgf-m , 8. 7 Ibf-ft )Apply engin e oi l t o th ethreads .
DOWE L PI N
O-RING
Replace .
CAMSHAF TInspection, pag e 6-2 2
VALV E KEEPER S
SPRING RETAINE R
EXHAUS T VALV E
SPRIN G
EXHAUS T VALV E
SEALReplace .
VALVE SPRIN GSEAT
8 x 1.2 5 mm22 N- m (2. 2 kgf-m , 1 6 Ibf-ft )Apply engin e oi l t o th ethreads .
VALVE KEEPER S
SPRING RETAINE R
INTAK E VALV E
SPRIN G
INTAK E VALV E SEA L
Replace .
VALVE SPRIN G
SEA T
EXHAUS T VALV E
GUID E
Inspection , pag e 6-2 7
Replacement , pag e 6-2 9
Reaming , pag e 6-3 0 CYLINDE
R HEA D
Removal , pag e 6-1 6
Warpage , pag e 6-2 6
Valv e sea t reconditioning ,
pag e 6-2 8
Installation , pag e 6-3 3
EXHAUST VALVE
INTAK E VALV E
Removal , pag e 6-2 5
Installation , pag e 6-3 2OI
L SEA L
Replace .
INTAKE VALV E
GUID E
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Cylinder Hea d
Remova l
Engine remova l i s no t require d fo r thi s procedure .
Mak e 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 to cor -
rec t positio n 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 :
• 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
hoses , 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 .
• Tur n 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 (se e pag e 6-12 ).
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 negativ e termina l fro m th e battery .
3 . Drai n th e engin e coolan t (se e pag e 10-5 ).
Remov e th e radiato r cap to spee d draining .
4 . Remov e th e groun d cabl e an d ignitio n coi l wire .
IGNITIO N COI LWIRE6 x 1. 0 m m9.8 N- m (1. 0 kgf-m ,
7. 2 Ibf-ft )
GROUN DCABLE
5. Remov e th e hea t shield s (se e pag e 5-3 ).
6 . Remov e th e intak e ai r duc t (se e pag e 5-4 ).
7 . Loose n th e adjustin g bolt , locknu t an d mountin g bolt ,
the n remov e th e powe r steerin g (P/S ) pum p bel t (se e
page 5-4 ).
8 . 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 ) compresso r
belt .
ADJUSTIN GBOLT
A/ C COMPRESSO R
BELTIDLE R PULLE YCENTER NU T10 x 1.2 5 mm44 N- m (4. 5 kgf-m , 3 3 Ibf-ft )
9. Loose n th e adjustin g bolt , loc k bol t an d mountin g
bolt , the n remov e th e alternato r belt .
MOUNTIN G BOL T10 x 1.2 5 mm44 N- m (4. 5 kgf-m ,
3 3 Ibf-ft )ADJUSTIN GNUT
LOC K BOL T8 x 1.2 5 mm22 N- m (2. 2 kgf-m , 1 6 Ibf-ft )
ALTERNATO R
BELT
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