wheel ACURA TL 1995 Service Manual Online

Inspection an d Adjustmen t
Steering Operatio n
Place th e fron t wheel s i n th e straigh t ahea d position ,
an d measur e th e distanc e th e steerin g whee l ca n b e
turne d withou t movin g th e fron t wheels .
ROTATIONA L PLAY : 0 - 10 m m (0 - 0.3 9 in )
If th e pla y exceed s the servic e limit, perfor m rack guid e
adjustmen t (se e pag e 17-24 ).
I f th e pla y i s stil l excessiv e afte r rac k guid e adjustment ,
inspec t th e steerin g linkag e an d gearbo x a s describe d
o n th e nex t page .
ROTATIONA L PLA Y
Powe r Assis t Chec k wit h Vehicl e
Parked
1. Chec k th e powe r steerin g flui d leve l (se e pag e 17-24 )
an d pum p bel t tensio n (se e pag e 17-23 ).
2 .
3 .
Star t th e engine , allo w it t o idle , an d tur n th e steer -
in g whee l fro m lock-to-loc k severa l time s t o war m
up th e fluid .
Attac h a sprin g scal e to th e steerin g wheel . Wit h th e
engin e idlin g an d th e vehicl e o n a clean , dr y floor ,
pul l th e scal e a s shown . Rotat e th e steerin g whee l
more tha n 9 0 degre e angl e b y pullin g th e sprin g
scale. Rea d th e figur e o n th e sprin g scal e whil e th e
steerin g whee l i s i n motion .
SPRING SCAL E(Commerciall y available )
A. Th e scal e shoul d rea d n o mor e the n 2 4 N (2. 4 kgf ,
5.3 Ibf) .
If i t read s more , g o o n t o ste p 5 .
5 . Sto p th e engine . Disconnec t th e hos e fro m th e
powe r steerin g spee d sensor , an d plu g th e hos e
an d th e senso r fittin g a s shown .
PLUG
POWE R STEERIN GSPEED SENSO R
6. Star t th e engine , an d le t i t idle .
I f th e readin g is no w 2 4 N (2. 4 kgf , 5. 3 Ibf ) o r less ,
connec t th e senso r hos e a s i t is . I f th e steerin g
effor t i s abov e 2 4 N (2. 4 kgf , 5. 3 Ibf) , replac e th e
powe r steerin g spee d senso r (se e pag e 17-25 ).
I f th e readin g i s stil l mor e tha n 2 4 N (2. 4 kgf , 5. 3
Ibf) , chec k th e gearbo x an d pump .
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Assist Chec k a t Roa d Spee d
1. Chec k th e powe r steerin g flui d leve l (se e pag e 17-24 ),
an d chec k th e pum p bel t tensio n (se e pag e 17-23 ).
2 .
3 .
Star t th e engine , le t i t war m u p t o norma l operatin g
temperature , an d tur n th e steerin g whee l lock-to-loc k
a fe w time s t o war m u p th e fluid .
Stop th e engine . T o simulat e speed s abov e 6 2 mp h
(100 km/h) , disconnec t th e hose s fro m th e powe r
steerin g spee d senso r an d connec t the m to th e spe -
cia l tool . Plu g th e en d o f th e specia l tool .
Instal l a plug .
BYPAS S TUB E JOIN T07406-001010 1(Included wit h07406-001000 A or07406-0010001 )
POWER STEERIN GSPEED SENSO R
4. Attac h th e sprin g scal e t o th e steerin g wheel . Wit h
the engin e idlin g an d th e vehicl e o n a clean , dr y
floor , pul l th e scal e a s shown . Rotat e th e steerin g
whee l mor e tha n 9 0 degree s b y pullin g th e sprin g
scale . Rea d th e figur e o n th e sprin g scal e whil e th e
steerin g whee l i s i n motion .
SPRING SCAL E(Commerciall y available )
• I f th e scal e read s les s tha n 2 4 N (2. 4 kgf , 5. 3 Ibf) ,
th e powe r steerin g spee d senso r i s O K an d th e
proble m is i n th e senso r fee d line , th e pump , th e
powe r steerin g spee d sensor , o r th e valv e bod y
unit . Se e i f th e fee d lin e i s pinche d o r bent , the n
chec k th e pump .
• Se e Genera l Troubleshootin g (se e pag e 17-12 ).
Powe r Steerin g Spee d Senso r
Replacemen t
1. Disconnec t th e vehicl e spee d senso r (VSS ) wir e con -
necto r fro m th e powe r steerin g spee d sensor .
SENSO R HOSE S
VSS WIR E CONNECTO R
POWER STEERIN GSPEED SENSO R
SENSOR MOUNTIN G BOL T6 x 1. 0 m m12 N- m11.2 kgf-m , 9 Ibf-ft )
2. Remov e th e senso r mountin g bolt , an d remov e th e
powe r steerin g spee d senso r fro m th e differentia l
housing .
3 . Disconnec t th e senso r hose s an d plu g th e fittings .
4 . Afte r installin g a ne w powe r steerin g spee d sensor ,
tur n th e steerin g whee l lock-to-loc k wit h th e engin e
idlin g t o blee d ai r fro m th e system .
5 . Chec k th e reservoir , an d ad d flui d if necessary .
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Inspection an d Adjustmen t
Rack Guid e Adjustmen t
NOTE: Perfor m rac k guid e adjustmen t wit h th e wheel s
i n th e straigh t ahea d position .
1 . Loose n th e rac k guid e scre w locknu t wit h th e spe -
cial tool , the n loose n th e rac k guid e screw .
Fluid Replacemen t
RACK GUID E SCRE W
LOCKNU T25 N- m(2.5 kgf-m , 1 8 Ibf-ft )
LOCKNU T WRENCH , 4 0 m m
07916-SA50001
2. Tighte n th e rac k guid e scre w to 2 5 N- m (2. 5 kgf-m ,
1 8 Ibf-ft) , the n loose n it .
3 . Retighte n th e rac k guid e scre w to 3. 9 N- m (0. 4 kgf-m ,
2. 9 Ibf-ft) , the n bac k it of f t o specifie d angle .
Specifie d Retur n Angle : 2 0 ± 5°
4 . Tighte n th e locknu t whil e holdin g th e rac k guid e
screw .
5. Chec k fo r tigh t o r loos e steerin g throug h th e com -
plet e turnin g travel .
6 . Perfor m followin g inspections :
• Steerin g operatio n (se e pag e 17-20 ).
• Powe r assis t wit h vehicl e parked . Chec
k th e reservoi r a t regula r intervals , an d ad d flui d a s
necessary .
CAUTION: Alway s us e Genuin e Hond a Powe r Steerin g
Fluid- V o r S . Usin g an y othe r typ e o f powe r steerin g flui d
o r automati c transmissio n flui d ca n caus e increase d wea r
an d poo r steerin g in col d weather .
SYSTEM CAPACITY :
1.3 lite r (1.3 7 US . qt , 1.1 4 Imp.qt )
a t disassembl y
RESERVOIR CAPACITY :
0.5 lite r (0.5 3 US . qt , 0.4 4 Imp.qt )
UPPER LEVE L LIN E
LOWE R LEVE L LIN E
Rais e th e reservoir , the n disconnec t th e retur n hose .RETUR N HOS E HOSE
Connect a hos e o f correc t diamete r t o th e discon -
necte d retur n hose , an d pu t th e hos e en d i n a suit -
abl e container .
CAUTION : Tak e car e no t t o spil l th e flui d o n th e
bod y an d parts . Wip e of f an y spille d flui d a t once .
3. Star t th e engine , le t i t ru n a t idle , an d tur n th e steer -
ing whee l fro m lock-to-loc k severa l times . Whe n
flui d stop s runnin g ou t o f th e hose , shu t of f th e
engine . Discar d th e fluid .
4 . Reinstal l th e retur n hos e o n th e reservoir .
5 . Fil l th e reservoi r t o th e uppe r leve l line .
6 . Star t th e engin e an d ru n i t a t fas t idle , the n tur n th e
steerin g fro m lock-to-loc k severa l time s t o blee d ai r
fro m th e system .
7 . Rechec k th e flui d leve l an d ad d som e if necessary .
CAUTION: D o no t fil l th e reservoi r beyon d th e
uppe r leve l line .
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Steering Whee l
Remova l (cont'd )
8. Loosel y instal l th e steerin g whee l bol t t o th e colum n
shaft , the n instal l a commercially-availabl e steerin g
whee l pulle r t o th e steerin g whee l t o remov e it .
9 . Remov e th e steerin g whee l bol t an d steerin g whee l
fro m th e colum n shaft .
CAUTION :
• D o no t ta p o n th e steerin g whee l o r th e steerin g
colum n shaf t whe n removin g th e steerin g
wheel .
• I f yo u threa d th e pulle r bolt s int o th e whee l hu b
mor e tha n fiv e threads , th e bolt s wil l hi t th e
cabl e ree l an d damag e it . T o preven t this , instal l
a pai r o f ja m nut s fiv e thread s u p o n eac h pulle r
bolt.
STEERIN G WHEE LBOLT(Instal l loosely )
STEERIN G WHEE L STEERIN
G WHEE LBOLT
17-28
STEERIN G WHEE L PULLE R
(Commerciall y available )PULLE
R BOL T
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Steering Whee l
Disassembly/Reassembl y
Store a remove d airba g assembl y with
the pa d surfac e up . I f th e airba g i s improperl y store d
face down , accidenta l deploymen t coul d prope l th e uni t
with enoug h forc e to caus e seriou s injury .
NOTE: I f a n intac t airba g assembl y ha s bee n remove d
from a scrappe d vehicle , o r ha s bee n foun d defectiv e o r
damage d durin g transit , storag e o r service , i t shoul d b e
deploye d (se e sectio n 24 ).
AIRBA G ASSEMBL Y
TORX BOL T10N-m d.Okgfm , 7 Ibf-ft)
CAUTION :
• Carefull y inspec t th e airba g assembl y befor e install -
ing. D o no t instal l a n airba g assembl y tha t show s
signs o f bein g droppe d o r improperl y handled , suc h
as dents , crack s o r deformation .
• D o no t disassembl e or tampe r with the airba g assem -
bly.
STEERIN G WHEE L
HOR N CONTAC T PLAT E
COVER
CRUIS E CONTRO L SWITCHE S
COVER
ACCESS PANE L
17-28
Steering Wheel
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Installation

Airbag installation

CAUTION:

• Before installing the steering wheel, align the front

wheels straight ahead.

• Be sure to install the harness wires so that they are

not pinched or interfering with other vehicle parts.

• Do not replace the original steering wheel with any

other design, since it will make it impossible to prop-

erly install the airbag. (Only use genuine Honda

replacement parts)

• After reassembly, confirm that the wheels are still

straight ahead and that steering wheel spoke angle

is correct. If minor spoke angle adjustment is neces-

sary, do so only by adjustment of the tie-rods, not by

removing and repositioning the steering wheel.

Confirm that the airbag assembly is

securely attached to the steering wheel; otherwise,

severe personal injury could result during airbag

deployment.

1. Before installing the steering wheel, center the cable

reel. Do this by first rotating the cable reel clockwise

until it stops. Then rotate it counterclockwise

approximately two turns.

The arrow mark on the cable reel label should point

straight up.

ARROW MARK

CABLE REEL

LABEL
2. Install the steering wheel with the steering wheel

bolt.

NOTE: Be sure the steering wheel shaft engages

the cable reel and canceling sleeve.

CAUTION: Do not tap on the steering wheel or

steering column shaft when installing the steering

wheel.

PIN
HOLE

STEERING WHEEL

STEERING WHEEL BOLT

38 N-m (3.9 kgf-m, 28 Ibf-ft)

3. Attach the cruise control switches connector to the

steering wheel clip.

4. Connect the horn connector.

HORN

CONNECTOR

CRUISE CONTROL

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Steering Gearbo x
Remova l
NOTE: Us e solven t an d a brus h t o was h of f an y oi l an d
dirt fro m th e valv e bod y unit , it s lines , an d th e en d o f
the gearbox . Blo w dr y wit h compresse d air .
1. Drai n th e powe r steerin g flui d a s describe d o n pag e
17-24 .
2. Rais e th e fron t o f vehicle , an d suppor t i t o n safet y
stands in th e prope r locations , (se e sectio n 1 )
3 . Remov e th e fron t wheels .
4 . Remov e th e driver' s airba g assembl y an d steerin g
whee l (se e pag e 17-27 ).
5 . Remov e th e steerin g join t lowe r bol t fro m th e
engin e compartment , an d mov e th e join t towar d
th e column .
STEERIN G JOIN T
6.
STEERIN G JOIN T
LOWE R BOL T
Remov e th e cotte r pi n fro m th e castl e nut , an d
remov e th e nut .
12 m m HE X NU T
7. Instal l th e 1 2 m m he x nu t o n th e bal l joint .
Be sur e tha t th e 1 2 m m he x nu t i s flus h wit h th e bal l
joint pi n end , o r th e threade d sectio n o f th e bal l
joint pi n migh t b e damage d b y th e specia l tool .
NOTE : Remov e th e bal l join t usin g th e Bal l Join t
Remover , 2 8 m m (07MA C-SL00200 ). Refe r t o pag e
18-12 for ho w to us e th e bal l join t remover .
8. Separat e th e tie-ro d bal l join t an d knuckl e usin g th e
specia l tool .
CAUTION : Avoi d damagin g th e bal l join t boot . 9
. Disconnec t th e tw o line s an d tw o hose s fro m th e
valv e bod y uni t o n th e steerin g gearbox .
CAUTION : Afte r disconnectin g th e hos e an d line ,
plug o r sea l th e hos e an d lin e wit h th e piec e o f tap e
or equivalen t t o preven t foreig n material s fro m
enterin g th e valv e bod y unit .
NOTE : I t i s no t necessar y t o loose n th e cylinde r
line s A an d B betwee n th e valv e bod y uni t an d th e
cylinder .
SENSOR RETUR N LIN ETo th e reservoi r
RETURN HOS E
To th e reservoi r
PUMP OUTLE T LIN E
Fro m th e pum p
VALV E BOD Y UNI T
10.
SENSO R INLE T HOS E
T o th e powe r steerin g spee d senso r
Remove th e splas h guard .
NOTE : Som e splas h guar d mountin g bolt s ar e als o
use d
as gearbo x mountin g bolts. The gearbo x will
til t
to th e sid e whe n thes e bolts are removed .
GEARBO X MOUNTIN G
BOLT S
SPLAS H GUAR D
SPLAS H GUAR D
MOUNTIN G BOLT S
BALL JOIN T REMOVER ,28 m m07MA C-SL0020 0
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Steering Gearbo x
Installatio n (cont'd )
11. Reconnec t th e tw o line s an d tw o hose s t o th e valv e
body unit .
NOTE :
• Chec k th e hos e band s an d cli p fo r deformatio n
an d deterioration , an d replac e the n if necessary .
• Afte r installin g th e steerin g gearbox , mak e sur e
tha t ther e is n o interferenc e betwee n th e cylinde r
line s an d rea r beam .
PUMP OUTLE T LIN EFrom th e pum p
12 N- m (1. 2 kgf-m ,9 Ibf-ft )
VALV E BOD Y UNI T
11 N- m (1. 1 kgf-m ,8 Ibf-ft )
12. Reconnec t th e tie-ro d end s t o th e steerin g knuckles ,
tighte n th e castl e nu t t o th e specifie d torque , an d
instal l ne w cotte r pins .
NOTE : Befor e connectin g th e tie-ro d ends , chec k
th e bal l join t pi n tapere d sectio n an d thread s sectio n
fo r greas e contamination , an d wip e it i f necessary .
CAUTION : Torqu e th e castl e nu t t o th e lowe r torqu e
specification , the n tighte n it onl y fa r enoug h t o alig n
th e slo t wit h th e pi n hole . D o no t alig n th e nu t b y
loosening . COTTER PI NCASTL E NU T Replace.49 - 5 9 N- m O n reassembly , ben d(5.0 - 6. 0 kgf-m , 3 6 - 4 3 Ibf-ft ) th e cotte r pi n a s shown .
13. Instal l th e fron t wheels .
14 . Fil l th e syste m wit h powe r steerin g flui d an d blee d
ai r fro m th e syste m (se e pag e 17-24 ).
15 . Afte r installation , perfor m th e followin g checks .
• Star t th e engine , allo w i t t o idle , an d tur n th e
steerin g whee l fro m lock-to-loc k severa l time s t o
war m u p th e fluid . Chec k th e gearbo x fo r leak s
(se e pag e 17-26 ).
• Adjus t th e fron t to e (se e sectio n 18 ).
• Chec k th e steerin g whee l spok e angle . Adjus t b y
turnin g th e righ t an d lef t tie-rods , i f necessary .
NOTE : Tur n th e righ t an d lef t tie-rod s equally .
SENSO R RETUR N LIN ETo th e reservoi rRETURN HOS ETo th e reservoi r
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Description
Trailing Ar m Bushin g
Constructio n Th e trailin g ar m bushin g i s a hydrauli c type . Th e lo w dynami c sprin g rat e an d hig h dampin g forc e o f thi s
typ e o f bushin g allo w highl y efficien t dampin g o f vibration s an d shock s transmitte d fro m th e wheel .
Th e interio r o f th e bushin g i s separate d int o fou r hydrauli c chamber s connecte d b y thre e orifices . On e ori -
fice is fo r horizonta l damping , an d th e othe r tw o orifice s ar e fo r vertica l damping .
The horizonta l dampin g orific e mainl y serve s t o achiev e hig h dampin g force . Whe n a forc e directe d towar d
th e rea r o f th e vehicl e act s o n th e bushing , chamber s A an d C ar e compressed , whil e chamber s B an d D
expand . Liqui d flow s fro m chamber s A an d C throug h th e horizonta l dampin g orific e int o chamber s B an d
D , dampin g th e shoc k b y mean s o f th e fluid' s viscosit y an d resonance . Whe n a forc e directe d towar d th e
fron t o f th e vehicl e act s o n th e tire , th e opposit e chamber s compres s an d expand .
The vertica l dampin g orifice s mainl y serv e t o achiev e a lo w dynami c sprin g rate . Whe n a forc e directe d
upwar d act s o n th e bushing , chamber s A an d B ar e compressed , whil e chamber s C an d D expand . Liqui d
flow s fro m chamber s A an d B throug h th e vertica l dampin g orifice s int o chamber s C an d D . Whe n ther e i s
a downward-directe d force , th e opposit e chamber s compres s an d expand . Thi s vertica l flo w cause s reso -
nanc e i n th e liquid , whic h limit s th e dynami c sprin g rat e t o a frequenc y rang e o f 5 0 - 20 0 Hz , dampin g
force s transmitte d t o th e vehicl e body .
The illustratio n show s th e lef t trailin g arm .
TRAILIN G AR M
FRON T O F VEHICL E
VERTICA L DAMPIN G ORIFIC E
CHAMBE R D
CHAMBE R B
VERTICA L DAMPIN G ORIFIC EHORIZONTA
L DAMPIN G ORIFIC E
PARTITIO N RUBBE R
CHAMBE R A
CHAMBE R D VERTICA
L DAMPIN G ORIFIC E
CHAMBE R C
PARTITIO N RUBBE R
CROSS SECTIO N VIE W
Liquid-fille d space s
CHAMBE R B
OUTE R RIN G
PARTITION RUBBE R
CHAMBE
R C
PARTITIO
N RUBBE R
CHAMBE R A
HORIZONTA L DAMPIN G ORIFIC E
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Wheel Alignmen t
Caster
NOTE : Fo r prope r inspection/adjustmen t o f th e whee l
alignment , chec k an d adjus t th e followin g befor e check -
ing th e alignment .
• Chec k tha t th e suspensio n i s no t modified .
• Chec k th e tir e siz e an d tir e pressure .
• Chec k th e runou t o f th e wheel s an d tires .
• Chec k th e suspensio n bal l joints . (Hol d th e whee l wit h
you r hands , the n mov e i t u p an d down , an d righ t an d
lef t t o chec k fo r wobbling. )
Inspection
NOTE: Us e commercially-availabl e computerize d fou r
whee l alignmen t equipmen t t o measur e whee l align -
men t (caster , camber , toe , and/o r turnin g angle) .
Follo w th e equipmen t manufacturer' s instructions .
1 . Chec k th e caste r angle .
Caste r angle : 2°07 ' ± 1 °
2 . I f ou t o f specification , recor d th e caste r reading , the n
adjus t th e caster .
Adjustmen t
NOTE: Caste r angl e ca n b e adjuste d b y increasin g o r
decreasin g th e numbe r o f th e adjustin g shims . Remov e
an d instal l th e radiu s ro d eac h tim e th e caste r angl e i s
adjusted .
1. Rais e th e fron t o f th e vehicle , an d suppor t i t wit h
safet y stand s in th e prope r location s (se e sectio n 1 ).
2 . Remov e th e self-lockin g nu t o n th e en d o f th e radiu s
rod.
3. Remov e th e flang e bolt s a t th e radiu s ro d o n th e lowe r
arm , the n remov e th e radiu s ro d (se e pag e 18-19 ).
4 . Adjus t th e caste r angl e b y increasin g o r decreasin g
the adjustin g shims .
NOTE:
• D o no t us e mor e tha n tw o adjustin g shims .
• On e adjustin g shi m change s th e caste r angl e b y
35 ' an d th e caste r angl e ca n b e adjuste d b y 1°10 '
maximum .
• On e adjustin g shi m is 3. 2 m m (0.1 3 in ) i n thick -
ness.
ADJUSTIN G SHI M
RADIU S RO D
SELF-LOCKIN G NU T
12 x 1.2 5 mm54 N- m (5. 5 kgf-m , 4 0 Ibf-ft )Replace .
5. Afte r th e adjustment , instal l th e radiu s ro d ont o th e
lowe r arm , the n tighte n th e flang e bolt s (se e pag e
18-19 ).
6 . Tighte n th e ne w self-lockin g nu t t o specifie d torque .
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