ACURA TL 1995 Service Repair Manual

Check tha t th e sprin g cli p o n th e en d o f eac h drive -
shaf t click s int o place .
CAUTION : Us e ne w sprin g clips .
Refil l th e coolin g system .
Blee d ai r fro m th e coolin g syste m a t th e blee d bol t
wit h th e heate r valv e ope n (se e pag e 10-5 ).
Adjus t th e throttl e cabl e (se e sectio n 11 ).
Adjus t th e shif t cabl e (se e sectio n 14 ).
Adjus t th e tensio n o f th e followin g driv e belts .
Alternato r bel t (se e sectio n 23 ).
P/ S pum p bel t (se e sectio n 17 ).
A/ C compresso r bel t (se e sectio n 22 ).
Clea n th e batter y post s an d cabl e terminal s wit h sand -
paper , assembl e them , the n appl y greas e t o preven t
corrosion .
Inspec t fo r fue l leakag e (se e sectio n 11 ).
Afte r assemblin g fue l lin e parts , tur n o n th e igni -
tio n switc h (d o no t operat e th e starter ) s o tha t th e
fue l pum p operate s fo r approximatel y tw o sec -
ond s an d th e fue l lin e pressurizes .
Repea t thi s operatio n tw o o r thre e times , an d
chec k fo r fue l leakag e a t an y poin t i n th e fue l line .
Refil l th e engin e wit h engin e oi l (se e pag e 8-4 ).
Refil l th e transmissio n wit h AT F (se e sectio n 14 ).
Refil l th e differentia l wit h differentia l oi l (se e sectio n 15).
Enter 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 .
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Engine Moun t Contro l Syste m
Componen t Locatio n Inde x
ENGIN E CONTRO L
MODUL E (ECM )
Troubleshooting , pag e 5-1 8
ENGINE MOUN T CONTRO L
SOLENOID VALV ETroubleshooting , pag e 5-1 8
FRON T ENGIN E MOUN T
DIAPHRAG M ACTUATO RTest, pag e 5-2 0
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Engine Moun t Contro l Syste m
Troubleshootin g Flowchar t
NOTE:
• Chec k th e vacuu m hose s an d pipe s fo r damag e an d prope r connections .
• Refe r t o pag e 11-2 8 throug h 11-3 1 befor e troubleshooting .
The engin e vibrate s exces -
sivel y whe n idling .
Chec k Idl e Speed :
War m u p engin e t o norma l oper -
atin g temperatur e (th e coolin g fa n
come s on) .
I s th e idl e spee d les s tha n
80 0 rpm ?
Chec k th e Engin e Moun t Contro l
System :
1 . Full y depres s th e brak e pedal .
2 . Wit h th e transmissio n i n gear ,
hav e a n assistan t connec t an d
disconnec t th e 2 P connecto r
fro m th e engin e moun t contro l
solenoi d valve .
I s ther e a noticeabl e chang e in
idl e smoothnes s whe n th e 2 P
connecto r i s connecte d an d
disconnected ?
Tes t th e Engin e Moun t Contro l
Solenoi d Valv e Wire :
1. Shif t t o o r position .
2 Disconnec t th e 2 P connecto r
from th e engin e moun t con -trol solenoi d valve .
3 . Measur e voltag e betwee n th e
BLK/YE L wir e an d bod y ground .
I s ther e batter y voltage ?
Tes t th e Engin e Moun t Contro l
Solenoi d Valv e Wire :
Measur e voltag e betwee n th e BLK /
YE L wir e an d th e GRN/WH T wire . Adjus
t th e idl e spee d (se e pag e
11-117 ).
Reconnec t th e 2 P connecto r t o
th e solenoi d valve . Th e engin e
moun t contro l syste m is OK . ENGIN
E MOUN T CONTRO L
SOLENOID VALV E CONNECTO R
Repair ope n i n BLK/YE L wir e
betwee n th e 2 P connecto r an d
th e EC M fus e ('9 5 - '96 : 1 5 A , '9 7
- '98:2 0 A) .
TERMINA L SID E O F FEMAL ETERMINAL S
Is ther e batter y voltage ?
(T o pag e 5-19 ) —
Repai r ope n in GRN/WH T wir e
betwee n EC M (A10 ) an d th e 2 Pconnector .— If th e wir e i s OK , substitut e a
known-goo d EC M an d recheck .
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(From pag e 5-18 )
Tes t th e Engin e Moun t Contro l
Solenoi d Valv e Wire :
1 . Rais e th e engin e spee d abov e
1,000 rpm .2. Measur e voltag e betwee n th e
BLK/YE L wir e an d th e GRN /
WHT wire .
ENGIN E MOUN T CONTRO LSOLENOID VALV E CONNECTO R
Is ther e batter y voltage ?
Tes t th e Engin e Moun t an d
Vacuu m Hose :
1 . Tur n th e ignitio n switc h OFF ,
the n disconnec t th e uppe r
vacuu m hos e fro m th e engin e
moun t contro l solenoi d valve ,
an d connec t a vacuu m pump /
gaug e t o th e hose .
2 . Star t th e engine , the n appl y
vacuu m fo r 2 0 seconds .
Doe s th e engin e moun t hol d
vacuum ?
Test th e Engin e Mount :
Releas e th e vacuum , the n appl y
vacuu m again .
I s ther e a noticeabl e chang e in
idl e smoothnes s wit h an dwithou t vacuu m applied ?
Tes t th e Engin e Moun t Contro l
Solenoi d Valve :
1 . Tur n th e ignitio n switc h OFF .
2 . Disconnec t th e lowe r vacuu m
hos e fro m th e engin e moun t
contro l solenoi d valve , an d
connec t a vacuu m gaug e to th e
hose .3. Star t th e engine .
I s ther e manifol d vacuum ? Repai
r shor t t o bod y groun d
i n GRN/WH T wir e betwee n
ECM (A10 ) and th e 2 P con -nector .If th e wir e i s OK , substitut e a
known-goo d EC M an d recheck .
— Replac e th e vacuu m hose .
— Replac e th e engin e mount . TERMINA
L SID E O F FEMAL E
TERMINAL S
ENGINE MOUN TCONTRO L SOLENOI DVALVE
UPPER VACUU MHOSE
Replac e th e engin e mount . VACUU
M PUMP /
GAUGE , 0-3 0 in.Hg .
A973 X - 04 1 - XXXX X
ENGIN E MOUN T
CONTRO L SOLENOI D
VALVE
Repair a s needed . VACUU
M PUMP /
GAUGE , 0-3 0 in.Hg .
A973 X - 04 1 - XXXX X
LOWERVACUU MHOSE
Replac e th e engin e moun t con -
tro l solenoi d valve .
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Diaphragm Actuato r Tes t
1. Disconnec t th e vacuu m hoses , the n remov e th e fron t
engin e mount s (se e pag e 5-11 ).
2 . Clea n an d oi l th e diaphrag m actuato r rod , roto r lever ,
an d leve r linkage .
3 . Wit h a vacuu m pump/gauge , appl y vacuu m o f abou t
30. 7 kP a (23 0 mmHg , 9. 1 in.Hg) , an d chec k i f th e
roto r leve r turn s 8 0 degrees .
— Replac e th e fron t engin e moun t i f th e roto r leve r
doe s no t operate .
FRONT ENGIN EMOUNTDIAPHRAG MACTUATOR
ROTORLEVER
VACUU M PUMP /GAUGE , 0-3 0 in.Hg .
A973 X - 04 1 - XXXX X
Engine Moun t Contro l Syste m
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Special Tool s
Ref. No.Too l Numbe rDescriptio nQtyPag e Referenc e
Valve Guid e Reamer , 5. 5 m m
Socket , 1 9 m m
Holde r Handl e
Holde r Attachment , 5 0 m m
Valv e Guid e Driver , 5. 5 m m
Valv e Sprin g Compresso r Attachmen t
6-30
6-7
6- 7
6-7
6-29 , 6-3 0
6-2 5
07HAH-PJ7010 B
07JAA-001020 A
07JAB-001020 A
07NAB-001040 A
07742-0010100
07757-PJ1010 A
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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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