ACURA TL 1995 Service Manual PDF

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

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
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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 )
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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
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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

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
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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
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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

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
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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