1995 ACURA TL Service Repair Manual

Valve Clearanc e
Adjustmen t
NOTE:
• Valve s shoul d b e adjuste d onl y whe n th e cylinde r
head temperatur e is les s tha n 100° F (38°C) .
• Afte r adjusting , retorqu e th e crankshaf t pulle y bol t t o
24 5 N- m (25. 0 kgf-m , 18 1 Ibf-ft) .
1 . Remov e th e cylinde r hea d cover .
NOTE : Refe r t o page s 6-35 , 6-3 6 whe n installin g th e
cylinde r hea d cover .
2. Alig n th e No . 1 pisto n TD C mar k wit h th e TD C
groov e o n th e No . 1 camshaf t holde r a s shown .
Numbe r 1 pisto n a t TD C
TDC GROOV E O N TH ECAMSHAF T HOLDE R
3. Adjus t valve s o n No . 1 cylinder .
Intake : 0.2 6 m m (0.01 0 in ) ± 0.0 2 m m (0.000 8 in )
Exhaust : 0.3 0 m m (0.01 2 in ) ±0.0 2 m m (0.000 8 in )
4 . Loose n th e locknut , an d tur n th e adjustin g scre w
unti l th e feele r gaug e slide s bac k an d fort h wit h a
sligh t amoun t o f drag .
ADJUSTIN GSCREW
FEELE RGAUGE
LOCKNU T7 x 0.7 5 mm20 N- m (2. 0 kg f m14 Ibf-ft )
Adjustin g scre w location :
EXHAUS T
5. Tighte n th e locknu t an d chec k clearanc e again .
Repea t th e adjustmen t i f necessary .
FEELER GAUG E
INTAKE
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Valve Clearanc e
Adjustmen t (cont'd )
6. Rotat e th e crankshaf t 144 ° counterclockwis e (cam -
shaf t pulle y turn s 72°) . Alig n th e No . 2 pisto n TD C
mar k wit h th e TD C groov e o n th e No . 1 camshaf t
holder . Adjus t th e valve s o n No . 2 cylinder .
7.
TD C GROOV E O N TH ECAMSHAF T HOLDE R
Rotate th e crankshaf t 144 ° counterclockwis e (cam -
shaf t pulle y turn s 72°) . Alig n th e No . 4 pisto n TD C
mar k wit h th e TD C groov e o n th e No . 1 camshaf t
holder . Adjus t th e valve s o n No . 4 cylinder .
TDC GROOV E O N TH ECAMSHAF T HOLDE R
8.Rotat e th e crankshaf t 144 ° counterclockwis e (cam -
shaf t pulle y turn s 72°) . Alig n th e No . 5 pisto n TD C
mar k wit h th e TD C groov e o n th e No . 1 camshaf t
holder . Adjus t th e valve s o n No . 5 cylinder .
9.
TD C GROOV E O N TH ECAMSHAF T HOLDE R
Rotate th e crankshaf t 144 ° counterclockwis e (cam -
shaf t pulle y turn s 72°) . Alig n th e No . 3 pisto n TD C
mar k wit h th e TD C groov e o n th e No . 1 camshaf t
holder . Adjust the valve s o n No. 3 cylinder .
TDC GROOVE ON THE
CAMSHAFT HOLDER
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Valve Seal s
Replacemen t (Cylinde r hea d remova l no t required )
NOTE: Cylinde r hea d remova l i s no t require d i n thi s
procedure .
Th e procedur e show n belo w applie s whe n usin g th e in-ca r
valv e sprin g compresso r (Snap-o n YA884 5 wit h YA884 5 -
2 A 7/8 " attachment) .
Alway s wea r approve d ey e protectio n whe n
usin g th e in-ca r valv e sprin g compressor .
1 . 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 (TDC) .
2 . Remov e th e cylinde r hea d cove r an d th e rocke r ar m
assembly .
NOTE:
• Refe r t o pag e 6-2 0 fo r rocke r ar m assembl y
removal .
• Whe n removin g o r installin g th e rocke r ar m assem -
bly , d o no t remov e th e camshaf t holde r bolts . Th e
bolt s wil l kee p th e holders , spring s an d rocke r arm s
o n th e shaft .
• Refe r t o page s 6-35 , 6-3 6 whe n installin g cylinde r
hea d cover .
3 . Remov e th e fue l injector s an d th e wir e harness .
Intak e Valv e Seals :
4. Usin g th e 8 m m bolt s supplie d wit h th e tool , moun t
the tw o upright s t o th e cylinde r hea d a t th e en d
camshaf t holde r locations . Th e upright s fi t ove r th e
camshaf t a s shown .
5 . Inser t th e cros s shaf t throug h th e to p hole s o f th e
uprights .
6.Selec t th e 7/ 8 i n diamete r lon g compresso r attach -
men t an d faste n th e attachmen t t o th e No . 4 hol e i n
th e leve r ar m wit h th e spee d pi n supplied .
7.
8.
Positio n th e pisto n a t TDC , an d inser t a n ai r adapto r
int o th e spar k plu g hole . Pum p ai r int o th e cylinde r
t o kee p th e valv e close d whil e compressin g th e
spring s an d removin g th e valv e keepers .
Positio n th e leve r ar m unde r th e cros s shaf t s o th e
leve r i s perpendicula r t o th e shaf t an d th e compresso r
attachmen t rest s o n to p o f th e retaine r fo r th e sprin g
bein g compressed . Us e th e fron t positio n slo t o n th e
leve r a s shown .
NOTE : Pu t sho p towel s ove r th e oi l passage s t o
preven t th e valv e keeper s fro m fallin g int o th e cylin -
de r head .
OIL PASSAGE S
9.
OI L PASSAGE S
Using a downwar d motio n o n th e leve r arm , com -
pres s th e valv e sprin g an d remov e th e keeper s fro m
th e valv e stem . Slowl y releas e pressur e o n th e
spring .
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Valve Seal s
Replacemen t (Cylinde r hea d remova l no t required ) (cont'd )
10. Remov e th e valv e seal s (se e pag e 6-25 ).
11 . Instal l th e ne w valv e seal s (se e pag e 6-31 ).
12 . Instal l th e springs , th e retainer s an d th e keeper s i n
revers e orde r o f removal .
13 . Repea t step s 7 to 1 2 o n th e othe r cylinders .
Exhaus t Valv e Seals :
14. Usin g th e 8 m m bolt s supplie d wit h th e tool , moun t
the tw o upright s t o th e cylinde r hea d a t th e en d
camshaf t holde r locations . Th e upright s fi t ove r th e
camshaf t a s shown .
15 . Inser t th e cros s shaf t throug h th e to p hole s o f th e
uprights .
16 . Selec t th e 7/ 8 i n diameter long compresso r attach -
ment , an d faste n th e attachmen t t o th e fron t hol e i n
th e leve r ar m wit h th e spee d pi n supplied .
17 . Positio n th e pisto n a t TDC , an d inser t a n ai r adapto r
ont o th e spar k plu g hole . Pum p ai r int o th e cylinde r
t o kee p th e valv e close d whil e compressin g th e
spring s an d removin g th e valv e keepers .
18 . Positio n th e leve r ar m unde r th e cros s shaf t s o th e
leve r i s perpendicula r t o th e shaf t an d th e compres -
so r attachmen t rest s o n to p o f th e retaine r fo r th e
sprin g bein g compressed . Us e th e rea r positio n slo t
o n th e leve r a s shown . NOTE
: Pu t sho p towel s ove r th e oi l passage s t o
preven t th e valv e keeper s for m fallin g int o th e cylin -
de r head .
OIL PASSAGE S
OIL PASSAGE S
19. Usin g a n upwar d motio n o n th e leve r arm , com -
pres s th e valv e sprin g an d remov e th e keeper s fro m
th e valv e stem . Slowl y releas e pressur e o n th e
spring .
20 . Remov e th e valv e seal s (se e pag e 6-25 ).
21 . Instal l th e ne w valv e seal s (se e pag e 6-31 ).
22 . Instal l th e springs , th e retainer s an d th e keeper s i n
revers e orde r o f removal .
23 . Repea t step s 1 7 t o 2 1 o n th e othe r cylinders .
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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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