1995 ACURA TL Service Repair Manual

Installation

Install the timing belt in the reverse order of removal;

Only key points are described here.

1. Set the timing belt drive pulley so that the No. 1 pis-

ton is at top dead center (TDC). Align the TDC mark

on the tooth of the timing belt drive pulley with the

V pointer on the oil pump.

POINTER
TDC MARK

(DIMPLE)

TIMING BELT

DRIVE PULLEY

Clean.

2. Set the camshaft pulley so that the No. 1 piston is at

TDC. Align the TDC mark on the camshaft pulley to

the pointer on the back cover.

CAMSHAFT

PULLEY

Clean.
"UP" MARK

TDC MARKS
3. Install the timing belt tightly in the sequence shown.

Timing belt drive pulley (crankshaft) _ Adjust-

ing pulley Water pump pulley Camshaft

pulley.

NOTE: Make sure the timing belt drive pulley and

camshaft pulley are at TDC.

4. Loosen and retighten the adjusting nut to tension

the timing belt.

5. Install the lower cover and upper cover.

NOTE: Clean the upper and lower covers before

installation.

UPPER COVER

LOWER

COVER
6 x 1.0 mm

12 N-m (1.2 kgf-m,

8.7 Ibf-ft)
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Timing Bel t
Installatio n (cont'd )
6. Instal l th e crankshaf t pulley , the n tighte n th e pulle y
bol t (se e pag e 6-7 ).
7 . Rotat e th e crankshaf t pulle y abou t fiv e o r si x turn s
counterclockwis e s o tha t th e timin g bel t position s o n
th e pulleys .
8 . Adjus t th e timin g bel t tensio n (se e pag e 6-9 ).
9 . Chec k tha t th e crankshaf t pulle y an d camshaf t pulle y
ar e bot h a t TDC .
CRANKSHAF T PULLEY :
POINTER S O N TH E
LOWE R COVE R
TDC MAR K
(WHITE )
CAMSHAF T PULLEY :
"UP" MAR K
TD C MARK S
10. I f th e camshaf t an d crankshaf t pulley s ar e no t posi -
tione d a t TDC , remov e th e timin g bel t an d adjus t
th e positionin g followin g th e procedur e o n pag e
6-11 , the n reinstal l th e timin g belt .
11 . Afte r installation , adjus t th e tensio n o f eac h belt .
• Se e sectio n 2 3 fo r alternato r bel t tensio n adjust -
ment .
• Se e sectio n 2 2 fo r A/ C compresso r bel t tensio n
adjustment .
• Se e sectio n 1 7 fo r P/ S pum p bel t tensio n adjust -
ment .
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TDC/CKP/CYP/CKF Sensor s
Replacemen t
1. Se t th e No . 1 pisto n is a t TD C (se e pag e 6-12 ).
2 . Remov e th e timin g bel t (se e pag e 6-10 ).
3 . Remov e th e CY P sensor , the n remov e th e camshaf t
pulley.
CYP SENSO R
6 x 1. 0 m m12 N- m (1. 2 kgf-m ,
8. 7 Ibf-ft )
CAMSHAF T
PULLE Y
10 x 1.2 5 mm69 N- m (7. 0 kgf-m , 5 1 Ibf-ft )Apply engin e oi l t o th ethreads .
4. Remov e th e crankshaf t spee d fluctuatio n (CKF ) sen -
sor.
CKFSENSO R
6 x 1. 0 m m12 N- m (1. 2 kgf-m ,
8. 7 Ibf-ft )
5. Disconnec t th e TDC/CKP/CY P senso r connecto r an d
CK F senso r connector .
6 . Remov e th e bac k cover , the n remov e th e TDC/CK P
sensor .
CKF SENSO R
CONNECTO R
TDC/CKP/CY P
SENSO R
CONNECTO R
TDC/CK P
SENSO R
6 x 1. 0 m m12 N- m (1. 2 kgf-m ,
8. 7 Ibf-ft )
BACKCOVE R
7. Instal l th e TDC/CKP/CYP/CK F senso r i n revers e orde r
of removal .
• Refe r t o pag e 6-1 1 whe n installin g th e timin g belt .
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Cylinder Hea d
Illustrate d Inde x
CAUTION :
• T o avoi d damage , wai t unti l th e engin e coolan t temperatur e drop s belo w 100° F (3 8 C ) befor e removin g th e cylinde r
head.
• Whe n handlin g a meta l gasket , tak e car e no t t o fol d it o r damag e th e contac t surface .
NOTE:
• Us e ne w O-ring s an d gasket s whe n reassembling .
• Clea n th e oi l contro l orific e befor e installing .
CYLINDER HEA D BOL T12 x 1. 5 m m98. 1 N- m (10. 0 kgf-m , 72. 3 Ibf-ft )Tightening , pag e 6-3 4Appl y engin e oi l t o th e threads .
6 x 1. 0 m m12 N- m (1. 2 kgf-m , 8. 7 Ibf-ft )
LONGE R BOL T
CYLINDE R
HEA D
DOWE L PI N
CYLINDE R HEA D
GASKE T
Replace . CYLINDE
R HEA D COVE R
Refe r t o page s 6-35 , 6-3 6 whe n
installing .
HEAD COVE R GASKE TReplace whe n leaking , damage dor deteriorated .Apply liqui d gaske t a t th e fou r corner sof th e recesses , pag e 6-3 6
CAMSHAF T
PULLEY
OIL CONTRO L
ORIFIC E
Clean .
10 x 1.2 5 mm69 N- m (7. 0 kgf-m , 5 1 Ibf-ft )Apply engin e oi l t o th ethreads .
6 x 1. 0 m m12 N- m (1.2 kgf-m , 8. 7 Ibf-ft )
O-RIN G
Replac e
6 x 1. 0 m m12 N- m (1. 2 kgf-m ,
8. 7 Ibf-ft )
CKFSENSO R
8 x 1.2 5 mm22 N- m (2. 2 kgf-m ,
1 6 Ibf-ft )
TDC/CK
P
SENSO R
BACKCOVE R
CYP SENSO R
KEY
RUBBE R SEA L
Replac e whe n damage d
or deteriorated .
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Prior t o reassembling , clea n al l th e part s in solvent , dr y the m an d appl y lubrican t t o an y contac t parts .
ROCKE R AR M
ASSEMBL Y
Removal , pag e 6-2 0
Inspection , pag e 6-2 4
6 x 1. 0 m m12 N- m (1. 2 kgf-m , 8. 7 Ibf-ft )Apply engin e oi l t o th ethreads .
DOWE L PI N
O-RING
Replace .
CAMSHAF TInspection, pag e 6-2 2
VALV E KEEPER S
SPRING RETAINE R
EXHAUS T VALV E
SPRIN G
EXHAUS T VALV E
SEALReplace .
VALVE SPRIN GSEAT
8 x 1.2 5 mm22 N- m (2. 2 kgf-m , 1 6 Ibf-ft )Apply engin e oi l t o th ethreads .
VALVE KEEPER S
SPRING RETAINE R
INTAK E VALV E
SPRIN G
INTAK E VALV E SEA L
Replace .
VALVE SPRIN G
SEA T
EXHAUS T VALV E
GUID E
Inspection , pag e 6-2 7
Replacement , pag e 6-2 9
Reaming , pag e 6-3 0 CYLINDE
R HEA D
Removal , pag e 6-1 6
Warpage , pag e 6-2 6
Valv e sea t reconditioning ,
pag e 6-2 8
Installation , pag e 6-3 3
EXHAUST VALVE
INTAK E VALV E
Removal , pag e 6-2 5
Installation , pag e 6-3 2OI
L SEA L
Replace .
INTAKE VALV E
GUID E
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Cylinder Hea d
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 to cor -
rec t positio n 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 :
• Mar k 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 6-12 ).
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 pre -
se t buttons .
2 . Disconnec t th e negativ e termina l fro m th e battery .
3 . Drai n th e engin e coolan t (se e pag e 10-5 ).
Remov e th e radiato r cap to spee d draining .
4 . Remov e th e groun d cabl e an d ignitio n coi l wire .
IGNITIO N COI LWIRE6 x 1. 0 m m9.8 N- m (1. 0 kgf-m ,
7. 2 Ibf-ft )
GROUN DCABLE
5. Remov e th e hea t shield s (se e pag e 5-3 ).
6 . Remov e th e intak e ai r duc t (se e pag e 5-4 ).
7 . 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
page 5-4 ).
8 . 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
belt .
ADJUSTIN GBOLT
A/ C COMPRESSO R
BELTIDLE R PULLE YCENTER NU T10 x 1.2 5 mm44 N- m (4. 5 kgf-m , 3 3 Ibf-ft )
9. Loose n th e adjustin g bolt , 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
LOC K BOL T8 x 1.2 5 mm22 N- m (2. 2 kgf-m , 1 6 Ibf-ft )
ALTERNATO R
BELT
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10. Remov e th e throttl e cabl e b y loosenin g th e locknut ,
then sli p th e cabl e en d ou t o f th e accelerato r linkag e
(see pag e 5-5 ).
11 . Remov e th e brak e booste r vacuu m hose , evaporativ e
emissio n (EVAP ) contro l caniste r hos e an d vacuu m
hose s (se e pag e 5-5 ).
12 . 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 spark s awa y fro m th e
wor k area . Drai n fue l onl y int o a n approve d container .
13 . Remov e th e fue l fee d hos e an d fue l retur n hos e (se e
pag e 5-6 ).
14 . Remov e th e uppe r radiato r hos e an d wate r bypas s
hoses.
WATE R BYPAS SHOSES
UPPER RADIATO R
HOS E
15. Remov e th e heate r hose s an d wir e harnes s clamps .
HEATERHOSES
ENGIN E WIR EHARNES S CLAM P
6 x 1. 0 m m12 N- m (1. 2 kgf-m , 8. 7 Ibf-ft )
16. Remov e th e breathe r hose , vacuu m hoses , wate r
bypas s hos e an d wir e harnes s holder .
BREATHE RHOSE
6 x 1. 0 m m12 N- m (1. 2 kgf-m ,
8. 7 Ibf-ft )
VACUU MHOSE
VACUU MHOSE
WATER BYPAS S
HOSE S
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Cylinder Head

Removal (cont'd)

17. Remove the spark plug wires, distributor and ground

cables from the cylinder head.

O-RING

Replace.
8 x
1.25
mm

18 N-m (1.8 kgf-m,

13 Ibf-ft)

DISTRIBUTOR

GROUND

CABLES

18. Remove the wire harness covers and positive crank-

case ventilation (PCV) hose.

6 x 1.0 mm

9.8 N-m (1.0 kgf-m,

7.2 Ibf-ft)

PCV HOSE

WIRE HARNESS

COVERS

6 x 1.0 mm

12 N-m (1.2 kgf-m, 8.7 Ibf-ft)
19. Remove the engine wire harness connectors and

wire harness clamps from the cylinder head and the

intake manifold.

• Five injector connectors

• TDC/CKP/CYP sensor connector

• CKF sensor connector

• Idle air control (IAC) valve connector

• Engine coolant temperature (ECT) sensor connec-

tor

• ECT gauge sending unit connector

• ECT switch connector

• Exhaust gas recirculation (EGR) valve lift sensor

connector

• Throttle position sensor connector

• Intake air bypass (IAB) control solenoid valve con-

nector

• Evaporative emission (EVAP) purge control sole-

noid valve connector

20. Remove the ground cable and water bypass hose.

GROUND

CABLE

6 x 1.0 mm

12 N-m (1.2 kgf-m, 8.7 Ibf-ft)

WATER BYPASS

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