1995 ACURA TL Service Repair Manual

Oil Filte r
Replacemen t (cont'd )
3. Instal l th e oi l filte r b y hand .
4. Afte r th e rubbe r sea l seats , tighte n th e oi l filte r clock -
wise wit h th e specia l tool .
Tighten : 7/ 8 tur n clockwise .
Tightenin g torque : 2 2 N- m (2. 2 kgf-m , 1 6 Ibf-ft )
OIL FILTE R WRENC H07912-611000 1
Use thi s procedur e t o tighte n th e filte r i f eigh t num -
ber s ( 1 t o 8 ) ar e printe d o n th e surfac e o f th e filter .
1 ) Mak e a mar k o n th e oi l filte r bas e unde r th e num -
be r tha t show s a t th e botto m o f th e filte r whe n
th e rubber seal i s seated .
2 ) Tighte n th e filte r b y turnin g i t clockwis e seve n
number s fro m th e marke d point . Fo r example , i f a
mar k i s mad e unde r th e numbe r 2 whe n th e rub -
be r sea l i s seated , th e filte r shoul d b e tightene d
unti l th e numbe r 1 come s u p to th e marke d point .
Numbe r whe n rubbe rseal i s seated .Number afte r tightening .
Number whe n rubbe r
sea l i s seate d
Numbe r afte r tightenin g1
8
2
1
3
2
4
3
5
4
6
5
7
6
8
7
CAUTION : Usin g an y procedur e othe r tha n thos e
show n coul d resul t i n seriou s engin e damag e du e
t o oi l leakage .
5 . Afte r installation , fil l th e engin e wit h oi l u p to th e spec -
ifie d level , ru n th e engin e fo r mor e tha n thre e minutes ,
the n chec k fo r oi l leakage .
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Oil Pressur e
Testing
If th e oi l pressur e warnin g ligh t stay s o n wit h th e engin e
running , chec k th e engine oil level . I f th e oi l leve l i s cor -
rect :
1 . Connec t a tachometer .
2 . Remov e th e engin e oi l pressur e switch , an d instal l a n
oi l pressur e gauge .
3 . Star t th e engine . Shu t i t of f immediatel y i f th e gaug e
register s n o oi l pressure . Repai r th e proble m befor e
continuing .
4. Allo w th e engin e to reac h operatin g temperatur e (fa n
come s o n a t leas t twice) . Th e pressur e shoul d be :
Engin e Oi l Temperature : 176° F (80°C )
Engin e Oi l Pressure :
A t Idle : 6 9 kP a (0. 7 kgf/cm
2,1 0 psi )
minimu m
A t 3,00 0 rpm : 34 0 kP a (3. 5 kgf/cm
2, 5 0 psi )
minimu m
• I f oi l pressur e i s withi n specifications , replac e th e
oi l pressur e switc h an d recheck .
• I f oi l pressur e is NO T withi n specifications , inspec t
th e oi l pum p (se e pag e 8-14 ).
ADAPTE R(1/8"-28, BSPT )(Commerciall y available )
OIL PRESSUR E GAUG E(Commerciall y available )
ENGINE OI L PRESSUR E SWITC HMOUNTIN G HOL E
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Oil Pum p
Overhau l
NOTE:
Use ne w O-ring s whe n reassembling .
Apply oi l t o O-ring s befor e installation .
Use liqui d gasket . Par t No . 0871 8-000 1 o r 0871 8-0003 .
Th e rotor s mus t b e installe d i n th e sam e direction .
Afte r reassembly , chec k tha t th e rotor s mov e withou t binding .
6 x 1. 0 m m8 N- m (0. 8 kgf-m , 6 Ibf-ft )
OUTE R ROTO RInspection , pag e 8-1 4
O-RINGS
Replace .
DOWEL PI N
PUM P COVE R
RELIEF VALV EValve mus t slid e freel y
i n housin g bore .
Replac e if scored .
DOWE L PI N
PUMP HOUSIN G
Inspection , pag e 8-1 4
Appl y liqui d gaske t
t o matin g surfac e o f
th e cylinde r bloc k
whe n installing .
SPRING FRON T CRANKSHAF T OI L SEA L
Installation , pag e 8-1 5
Replace .
SEALING BOL T39 N- m (4. 0 kgf-m , 2 9 Ibf-ft )
INNER ROTO RInspection , pag e 8-1 4
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Oil Pum p
Removal/lnspection/lnstallatio n
1. Drai n th e engin e oi l an d th e differentia l oil .
2 . Tur n th e crankshaf t t o TDC .
3 . Remov e th e timin g bel t (se e pag e 6-10 ).
4 . Remov e th e oi l pa n (se e pag e 8-8 ).
5 . Remov e th e oi l screen , the n remov e th e oi l pump .
OIL PUM P
DOWE L PI N
O-RING S
Replace . DOWE
L PI N
GASKE T
Replace .
OI L SCREE N
6. Remov e th e screw s fro m th e pum p housing , the n
separat e th e housin g an d cover .
7 . Chec k th e inner-to-oute r roto r radia l clearanc e o n th e
pum p rotor .
Inner Rotor-to-Oute r Roto r Radia l Clearanc e
Standar d (New) : 0.0 2 - 0.1 6 m m
(0.00 1 - 0.00 6 in )
Servic e Limit : 0.2 0 m m (0.00 8 in )
INNE R ROTO R
OUTER ROTO R
— If th e inner-to-oute r roto r clearanc e exceed s th e
servic e limit , replac e th e inne r an d oute r rotors .
8. Chec k th e housing-to-roto r axia l clearanc e o n th e
pum p rotor .
Housing-to-Roto r Axia l Clearanc e
Standar d (New) : 0.0 2 - 0.0 7 m m
(0.00 1 - 0.00 3 in )
Servic e Limit : 0.1 2 m m (0.00 5 in )
ROTO RHOUSIN G
If th e housing-to-roto r axia l clearanc e exceed s
the servic e limit , replac e th e se t of inne r an d
oute r rotor s and/o r th e pum p housing .
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9. Chec k th e housing-to-oute r roto r radia l clearance .
Housing-to-Oute r Roto r Radia l Clearanc e
Standard (New) : 0.1 0 - 0.1 8 m m
(0.00 4 - 0.00 7 in )
Servic e Limit : 0.2 0 m m (0.00 8 in )
HOUSIN G
OUTER ROTO R
— If th e housing-to-oute r roto r radia l clearanc e ex -
ceed s th e servic e limit , replac e th e se t o f inne r
an d oute r rotor s and/o r th e pum p housing .
10. Inspec t bot h rotor s an d pum p housin g fo r scorin g
or othe r damage . Replac e part s if necessary .
11 . Remov e th e ol d oi l sea l fro m th e oi l pump .
12 . Usin g th e specia l tool , gentl y ta p i n th e ne w fron t
crankshaf t oi l sea l unti l th e drive r bottom s agains t
th e pump .
SEAL DRIVE R07LAD-PT3010 A
13. Reassembl e th e oi l pump , applyin g liqui d threa d
loc k t o th e pum p housin g screws .
14 . Chec k tha t th e oi l pum p turn s freely .
15 . Appl y a ligh t coa t o f oi l t o th e sea l lip .
16 . Instal l th e tw o dowe l pin s an d ne w O-rin g o n th e
cylinde r block .
17 . Appl y liqui d gaske t t o th e cylinde r bloc k matin g sur -
fac e o f th e oi l pump .
NOTE:
• Us e liqui d gasket , Par t No . 0871 8 - 000 1 o r 0871 8
- 0003 .
• Chec k tha t th e matin g surfaces are clea n an d dr y
befor e applyin g liqui d gasket .
• Appl y liqui d gaske t evenly , i n a narro w bea d cen -
tere d o n th e matin g surface .
• D o no t appl y liqui d gaske t t o th e O-rin g grooves .
• T o preven t leakage , appl y liqui d gaske t t o th e
inne r thread s o f th e bol t holes .
• D o no t instal l th e part s i f fiv e minute s o r mor e
hav e elapse d sinc e applyin g liqui d gasket .
Instead , reappl y liqui d gaske t afte r removin g ol d
residue .
• Afte r assembly , wai t a t leas t 3 0 minute s befor e
filling th e engin e wit h oil .
OIL PUM P HOUSIN G
Apply liqui d gaske t
alon g th e broke n line .
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Removal/lnspection/lnstallation
(cont'd)
18. Instal l th e oi l pum p to th e cylinde r block .
OIL PUM P
Appl y liqui d gaske t 6 x 10 m m
t o th e bloc k matin g 1 2 N- m (1. 2 kgf-m ,
surface . 8. 7 Ibf-ft )Apply liqui d gaske t
t o th e bol t threads .
Replace .DOWEL PI N
O-RING SReplace .
OIL SCREE N6 x 1. 0 m m12 N- m (1. 2 kgf-m ,8.7 Ibf-ft )
19. Instal l th e oi l screen .
20 . Instal l th e oi l pa n (se e pag e 8-11 ).
21 . Instal l th e timin g bel t (se e pag e 6-11 ).
DOWE L PI N
GASKE TReplace .
Oil Pum p
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Description
By integratin g a valv e int o th e muffler , i t wa s possibl e t o reduc e exhaus t nois e a t lo w engin e speed s an d t o improv e
engin e performanc e a t hig h engine speeds withou t enlargin g muffle r volume .
Th e variabl e flo w rat e exhaus t syste m is a simpl e mechanis m tha t use s n o sensors , controller s o r actuators . Openin g an d
closin g o f th e variabl e valv e i s controlle d b y exhaus t ga s pressure .
A t lo w engin e speeds :
Because o f th e lo w flow-rat e o f th e exhaus t gas , th e valv e wil l b e closed ; causin g th e ga s to flo w throug h passag e 1 . Thi s
cause s highe r exhaus t ga s backpressure , whic h dampen s exhaus t noise .
PASSAG E 1
VARIABL E VALV ECLOSE D
At hig h engine speeds :
Th e highe r exhaus t ga s flow-rat e cause s th e valv e t o open , allowin g th e ga s t o flo w throug h passage s 1 an d 2 . Exhaust
ga s backpressur e is decreased , givin g bette r engin e performance .
PASSAGE 1
VARIABLE VALV E
OPE N
PASSAG E 2
Muffle r (Wit h Variabl e Flo w Rat e Exhaus t System )
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Intake Manifol d
Replacemen t
NOTE: Us e ne w O-ring s an d gasket s whe n reassembling .
8 x 1.2 5 mm22 N- m (2. 2 kgf-m ,
1 6 Ibf-ft )
6 x 1. 0 m m9.8 N- m (1. 0 kgf-m ,
7. 2 Ibf-ft ) BLEE
D BOL T
9. 8 N- m (1. 0 kgf-m , 7. 2 Ibf-ft )
INTAK E MANIFOL D
Replac e i f cracke d o r
if matin g surface s ar edamaged .
8 x 1.2 5 mm22 N- m (2. 2 kgf-m ,
1 6 Ibf-ft )
GASKET S
Replace.
8 x 1.2 5 m m22 N- m (2. 2 kgf-m , 1 6 Ibf-ft )
EXHAUS T GA SRECIRCULATIO N
(EGR ) VALV E
GASKET SReplace.
INTAKE AI R BYPAS S
VALV E BOD Y
Replac e i f cracke d o r i f
matin g surface s ar e
damaged .
6 x 1. 0 m m12 N- m (1. 2 kgf-m , 8. 7 Ibf-ft )
8 x 1.2 5 mm22 N- m (2. 2 kgf-m ,
1 6 Ibf-ft )
THROTTL E
BODY
GASKE TReplace .
INTAK E MANIFOL D
CHAMBE R
Replace if cracke d o rif matin g surface s
ar e damaged .
6 x 1. 0 m m12 N- m (1. 2 kgf-m , 8. 7 Ibf-ft )
FAS T IDL E
THERM O VALV E
8 x 1.2 5 mm22 N- m (2. 2 kgf-m , 1 6 Ibf-ft )
INTAK E AI R CONTRO L
(IAC ) VALV E
INTAK E MANIFOL D
BRACKET S
8 x 1.2 5 mm22 N- m (2. 2 kgf-m ,
1 6 Ibf-ft )
O-RIN
G
Replace .
O-RINGReplace .
O-RINGReplace .
EGR CHAMBE R
GASKE
TReplace .
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