ACURA TL 1995 Service Manual PDF
[x] Cancel search | Manufacturer: ACURA, Model Year: 1995, Model line: TL, Model: ACURA TL 1995Pages: 1771, PDF Size: 62.49 MB
Page 71 of 1771
NOTE: Clean the oil control orifice when installing.
CYLINDER HEAD BOLT
11 x 1.5 mm
76 N-m (7.8 kgf-m, 56 Ibf-ft)
Apply engine oil to the
bolt threads.
EXHAUST GAS
RECIRCULATION
(EGR) PASSAGE
8 x
1.25
mm
22 N-m (2.2 kgf-m,
16 Ibf-ft)
OIL CONTROL
ORIFICES
Remove with 6 x 1.0 mm
bolt and clean.
RIGHT CYLINDER
HEAD GASKET
Replace.
OIL CONTROL
ORIFICES
Remove with 6 x 1.0 mm
bolt and clean.
CYLINDER
HEAD
10 x
1.25
mm
44 N-m (4.5 kgf-m,
33 Ibf-ft)
LEFT CYLINDER
HEAD GASKET
Replace.
8 x
1.25
mm
22 N-m (2.2 kgf-m,
16 Ibf-ft)
DOWEL PIN
DOWEL PIN
O-RINGS
Replace.
GASKET
Replace.
CYLINDER
HEADProCarManuals.com
Page 72 of 1771
Cylinder Head s
Illustrate d Inde x (cont'd )
NOTE:
Use ne w O-ring s an d gasket s whe n reassembling .
Use liqui d gasket , Par t No . 0871 8 - 000 1 o r 0871 8 - 0003 .
Prior t o reassembling , clea n al l th e part s in solvent , dr y them , an d appl y lubrican t t o an y contac t parts .
6 x 1.0 mm12 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 )
VALV E KEEPER S
SPRING RETAINE R
INTAK E VALV E SPRIN G
VALV E SEA L
10 x 1.2 5 mm44 N- m (4. 5 kgf-m ,
3 3 Ibf-ft )
SPRIN G SEA T
VALV E GUID E
EXHAUS T VALV E ROCKE
R AR M
ASSEMBL YDisassembly/Reassembly , pag e 6-2 1Inspection , pag e 6-2 5
6 x 1. 0 m m12 N- m (1. 2 kgf-m ,
8. 7 Ibf-ft )
RUBBE R PLU G
Apply liqui d gasket .
VALVE GUID EInspection , pag e 6-2 8Replacement , pag e 6-3 0
Reaming , pag e 6-3 1
CAMSHAF T
Inspection, pag e 6-2 3
OIL SEA LReplace .
INTAKE VALV ERemoval , pag e 6-2 6Installation , pag e 6-3 2
CYLINDE R HEA D
Removal , pag e 6-1 5
Installation , pag e 6-3 5Warpage , pag e 6-2 7
Valv e sea t reconditioning ,
pag e 6-2 8 VALV
E SEA L
EXHAUS
T VALV E SPRIN G
O-RING
S
Replace .
DOWE
L PI N
ProCarManuals.com
Page 73 of 1771
Cylinder Head s
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 th e t o
correc t position s 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 :
Mark 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 6-10 ).
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 batter y negativ e termina l first , the n
the positiv e terminal .
3. Drai n th e engin e coolan t (se e pag e 10-5 ).
4 . Remov e th e engin e cove r (se e pag e 5-3 ).
5 . Remov e th e intak e ai r duc t an d ai r cleane r housin g
assembl y (se e pag e 5-3 ).
6 . Remov e th e throttl e cove r (se e pag e 5-4 ).
7 . Remov e th e throttl e cabl e an d cruis e contro l cabl e
b y loosenin g th e locknuts , the n sli p th e cabl e end s
ou t o f th e accelerato r linkag e (se e pag e 5-4 ).
NOTE :
Take car e no t t o ben d a cabl e whe n removin g it .
Alway s replac e an y kinke d cabl e wit h a ne w one .
Adjus t th e throttl e cabl e whe n installin g (se e
sectio n 11 ).
Adjus t th e cruis e contro l cabl e whe n installin g
(se e sectio n 23 ). 8
. Remov e th e uppe r radiato r hos e an d wate r bypas s
hoses.
UPPER RADIATO RHOSE
WATE R BYPAS SHOSES
9. Remov e th e batter y an d batter y bas e (se e pag e 5-4 ).
10 . Remov e th e vacuu m hoses , the n remov e th e clam p
fro m th e under-hoo d fuse/rela y bo x (se e pag e 5-4 ).
11 . Remov e th e batter y cable s fro m th e under-hoo d
fuse/rela y box , the n remov e th e under-hoo d fuse /
rela y box .
12 . Remov e th e engin e wir e harnes s connector .
BATTERY CABLE S
CONNECTO R
6 x 1. 0 m m12 N- m (1. 2 kgf-m , 8. 7 Ibf-ft )
UNDER-HOO DFUSE/RELAYBOX
6 x 1. 0 m m12 N- m 11. 2 kgf-m ,8.7 Ibf-ft )
ProCarManuals.com
Page 74 of 1771
Cylinder Head s
Remova l (cont'd )
13. Disconnec t th e connectors , the n remov e th e contro l
box , vacuu m hos e an d solenoi d valve .
14 . Disconnec t th e brak e booste r vacuu m hose .
CONTRO LBOX
6 x 1. 0 m m12 N- m (1. 2 kgf-m ,
8. 7 Ibf-ft ) BRAK
E BOOSTE R
VACUU M HOS E
VACUU MHOSE
CONNECTOR S SOLENOI
D
VALVE
15. Reliev e fue l pressur e (se e sectio n 11 ).
D o no t smok e whil e workin g o n th e
fue l system . Kee p ope n flam e o r spar k awa y fro m
th e wor k area . Drai n fue l onl y int o a n approve d
container .
16 . Remov e th e fue l fee d hose , fue l retur n hose , vacuu m
hos e an d evaporativ e emissio n (EVAP ) contro l canis -
te r hos e (se e pag e 5-6 ).
17 . Remov e th e wate r bypas s hose s an d heate r hose .
WATE R BYPAS S
HOSE SHEATE RHOSE
18. 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 ).
19 . 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
bel t (se e pag e 5-7 ).
20 . 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 belt .
ADJUSTIN GBOLT LOCKNU
T
8 x 1.2 5 mm22 N- m (2. 2 kgf-m ,
1 6 Ibf-ft )
P/S PUM PBELTMOUNTIN G BOL T10 x 1.2 5 mm44 N- m (4. 5 kgf-m , 3 3 Ibf-ft )
21. Remov e th e engine ground cabl e an d wir e harnes s
clamps.
6 x 1. 0 m m12 N- m (1. 2 kgf-m ,
8. 7 Ibf-ft ) ENGIN
E GROUN DCABLE
ProCarManuals.com
Page 75 of 1771
22. Remove the positive crankcase ventilation (PCV)
hose.
23. Remove the bolt securing the automatic transmis-
sion fluid (ATF) dipstick tube bracket.
6 x 1.0 mm
12 N-m (1.2 kgf-m,
8.7 Ibf-ft)
ATF BRACKET
DIPSTICK TUBE
BRACKET
PCV HOSE
24.
Remove the engine wire harness connectors and
wire harness clamps from the cylinder heads and
intake manifold.
Six injector connectors
Six ignition coil connectors
Throttle position sensor connector
CKP/CYP sensor connector
Intake air temperature (IAT) sensor connector
Exhaust gas recirculation (EGR) valve lift sensor
connector
Idle air control (IAC) valve connector
Engine coolant temperature (ECT) sensor con-
nector
ECT gauge sending unit connector
Engine oil temperature sensor connector
Left primary heated oxygen sensor (left primary
HO2S) connector
Right primary heated oxygen sensor (right pri-
mary HO2S) connector
Evaporative emission (EVAP) purge control
solenoid valve connector ('97 - '98)
25. Remove the inlet pipe mounting bolts from the right
cylinder head cover.
26. Remove the vacuum hoses and breather hose.
6 x 1.0 mm
12 N-m (1.2 kgf-m, 8.7 Ibf-ft)
BREATHER
HOSE
VACUUM
HOSES
27. Remove the six ignition coils from the left and right
cylinder head covers.
6 x 1.0 mm
12 N-m (1.2 kgf-m, 8.7 Ibf-ft)
IGNITION
COILProCarManuals.com
Page 76 of 1771
Cylinder Head s
Remova l (cont'd )
28. 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.
6 x 1. 0 m m12 N- m (1. 2 kgf-m ,
8. 7 Ibf-ft )
TC S LOWE R
BRACKE T
29.
8 x 1.2 5 mm22 N- m (2. 2 kgf-m ,
1 6 Ibf-ft )
Disconnec t th e TC S throttl e positio n senso r connec -
to r an d TC S throttl e actuato r connector , the n remov e
th e TC S contro l valv e assembly .
TCS THROTTL E SENSO R
CONNECTO R
TC S THROTTL E
ACTUATO R CONNECTO RTC
S CONTRO L VALV E
ASSEMBL Y
30. Remov e th e oi l pressur e switc h connector , engin e
groun d cabl e an d engin e wir e harnes s cover .
6 x 1. 0 m m12 N- m (1. 2 kgf-m ,
8. 7 Ibf-ft ) ENGIN
E WIR E
HARNES S COVE R
OI L PRESSUR E
SWITC H CONNECTO R ENGIN
E GROUN D
CABLE
31. Remov e th e EG R pipe , the n remov e th e intak e man -
ifol d an d wate r passage .
NOTE : Fil l th e cylinde r hea d intak e port s wit h clea n
sho p towel s t o preven t foreig n material s fro m get -
tin g int o th e cylinders .
INTAKE MANIFOL D
WATERPASSAG E
GASKETSReplace. EG
R PIP E
O-RIN G
Replace .
GASKET S
Replace .
TC
S UPPE R
BRACKE T
ProCarManuals.com
Page 77 of 1771
32. Remov e th e covers , the n remov e th e lef t an d righ t
exhaus t manifold s (se e pag e 9-3 ).
33 . Remov e th e timin g bel t (se e pag e 6-6 ).
34 . Remov e th e lef t an d righ t camshaf t pulleys , the n
remov e th e lef t an d righ t bac k covers .
RIGHTCAMSHAF T PULLE Y
8 x 1.2 5 mm31 N- m (3. 2 kgf-m ,
2 3 Ibf-ft ) BAC
K COVE R
LEF T
CAMSHAF T PULLE Y
BACK COVE R
CKP/CY P
SENSO R
8 x 1.2 5 mm31 N- m (3. 2 kgf-m ,
2 3 Ibf-ft )
35. Remov e th e lef t an d righ t cylinde r hea d covers .
6 x 1. 0 m m12 N- m (1. 2 kgf-m ,
8. 7 Ibf-ft )
LEF T CYLINDE R
HEA D COVE R
6 x 1. 0 m m12 N- m (1. 2 kgf-m , 8. 7 Ibf-ft )
RIGHT CYLINDE R
HEA D COVE R
ProCarManuals.com
Page 78 of 1771
Cylinder Heads
Removal (cont'd)
36. Remove the three bolts securing the alternator
bracket.
ALTERNATOR
BRACKET
8 x
1.25
mm
22 N-m (2.2 kgf-m,
16 Ibf-ft)
37. Remove the two bolts securing the P/S pump bracket.
P/S PUMP
BRACKET
10 x
1.25
mm
44 N-m (4.5 kgf-m,
33 Ibf-ft)
38. Remove the cylinder head bolts, then remove the
cylinder heads.
CAUTION: To prevent warpage, unscrew the bolts
in sequence 1/3 turn at a time; repeat the sequence
until all bolts are loose.
CYLINDER HEAD BOLTS LOOSENING SEQUENCE:
Engine No. 1300001-1309262 (U.S.A.), 1700001-1700751 (Canada):
Engine No. 1309263-, 2300001 ~, 3300001~ (U.S.A.), 1700752~, 2700001~
3700001~ (Canada):ProCarManuals.com
Page 79 of 1771
Rocker Ar m Assembl y
Disassembly/Reassembl y
NOTE:
Refer t o pag e 6-2 3 fo r rocke r ar m assembl y removal .
Identif y part s a s the y ar e remove d t o ensur e reinstallatio n i n origina l locations .
Inspec t th e rocke r shaft s an d rocke r arm s (se e pag e 6-25 ).
Rocke r arm s mus t b e installe d in th e sam e positio n i f reused .
Whe n removin g o r installin g th e rocke r ar m assembly , 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 .
Engin e No . 1300001~130926 2 (U.S.A.) , 1700001~170075 1 (Canada) :
INTAK E ROCKE R
SHAF T C INTAK
E ROCKE R
SHAF T B
( 2 places ) INTAK
E ROCKE R
ARM B(3 places )
INTAK E
ROCKE RSHAFT A INTAK
E ROCKE R
ARM A(3 places )
WAV E WASHE R
(1 2 places )
CAMSHAF T HOLDE R
L-1 simila rR-7
CAMSHAF THOLDERL-6simila rR-2
EXHAUS T
ROCKE R AR M
( 3 places )
NOTE: D o no t remov ea hydrauli c tappe tfrom it s rocke r ar m unles s
i t need s t o b e replaced .
HYDRAULI C
TAPPE T CAMSHAF
T HOLDE R
L-7 simila rR-1
EXHAUS T
ROCKE R AR M
( 3 places )
ROCKE R AR MO-RIN G
Replace .
INTAK E ROCKE R AR M A
INTAKE ROCKE R AR M B
EXHAUST ROCKE R AR M A
EXHAUS T ROCKE R AR M B
Lette r "A " i s stampe don rocke r arm . Lette
r "B " i s stampe d
o n rocke r arm . Lette
r "A " i s stampe d
o n rocke r arm .Lette r "B " i s stampe don rocke r arm .
L : Lef t
R : Righ t CAMSHAF
T
HOLDE R
L-4simila rR-4
ROCKE RSHAFTHOLDE R
ROCKE RSHAFT
HOLDE R
CAMSHAF IHOLDERL-2simila rR-6
EXHAUS T ROCKE R SHAF T
ProCarManuals.com
Page 80 of 1771
Rocker Arm Assembly
Disassembly/Reassembly (cont'd)
Engine No. 1309263 ~, 2300001 ~, 3300001 ~ (U.S.A.), 1700752 ~, 2700001 ~, 3700001 ~ (Canada):
INTAKE ROCKER
INTAKE ROCKER
SHAFT C
CAMSHAFT
HOLDER
L-1 is similar
to R-5
INTAKE ROCKER ARM B
INTAKE ROCKER ARM SPRING (3 places)
SHAFT B (2 places)
(2 places)
EXHAUST ROCKER
SHAFT
INTAKE
ROCKER
SHAFT A
INTAKE ROCKER
ARM A
(3 places)
WAVE WASHER
(4 places)
CAMSHAFT
HOLDER
L-5 is similar
to R-1
CAMSHAFT
HOLDER
L-4 is similar
to R-2
EXHAUST
ROCKER ARM A
(3 places)
NOTE: Do not remove
a hydraulic tappet
from its the rocker arm unless
it needs to be replaced.
HYDRAULIC
TAPPET
EXHAUST
ROCKER ARM B
(3 places)
ROCKER ARM
O-RING
Replace.
INTAKE ROCKER ARM A
INTAKE ROCKER ARM B
EXHAUST ROCKER ARM A
EXHAUST ROCKER ARM B
Letter "A" is stamped
on rocker arm.
Letter "B" is stamped
on rocker arm.
Letter "A" is stamped
on rocker arm.
Letter "B" is stamped
on rocker arm.
L: Left
R: Right
CAMSHAFT
HOLDER
L-3 is similar
to R-3
CAMSHAFT
HOLDER
L-2 is similar
to R-4
EXHAUST ROCKER
ARM SPRING
(2 places)ProCarManuals.com