ACURA TL 1995 Service Repair Manual

Steering Gearbo x
Installatio n
CAUTION: B e carefu l no t t o ben d o r damag e th e cylin -
de r lin e A an d B whe n installin g th e gearbox .
1 . Instal l th e moun t cushio n o n th e righ t side .
2 . Loosel y instal l th e mountin g bracke t wit h th e tw o
gearbo x mountin g bolt s o n th e cushion .
MOUNT CUSHIO N
STEERIN G GEARBO X
GEARBO X MOUNTIN G BOLT S
3 8 N- m (3. 9 kgf-m , 2 8 Ibf-ft )
Loosel y install .
RIGHT MOUNTIN GBRACKETNOTE: Th e arro w o n th ebracke t point s towar dthe front .
3. Cente r th e steerin g rac k withi n it s stroke .
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4. Instal l th e steerin g joint , an d reconnec t th e steerin g
shaf t an d pinio n shaft .
NOTE : Mak e sur e th e steerin g join t i s connecte d a s
follows :
a . Inser t th e uppe r en d o f th e steerin g join t ont o th e
steerin g shaf t (lin e u p th e bol t hol e wit h th e fla t
on th e shaft) , an d loosel y instal l th e uppe r join t
bolt.
b. Sli p th e lowe r en d o f th e steerin g join t ont o th e
pinio n shaf t (lin e u p th e bol t hol e wit h th e groov e
aroun d th e shaft) , an d loosel y instal l th e lowe r
joint bolt .
Be sur e tha t th e lowe r join t bol t i s securel y i n th e
groov e in th e pinio n shaft .
c. Pul l o n th e steerin g join t t o mak e sur e tha t th e
steerin g join t i s full y seated . The n tighte n th e
join t bolts .
UPPE R JOIN T BOL TBolt mus t lin e u pwit h fla t o n shaft .
Flat portion .
Groove.
PINIONSHAF T STEERIN
G
SHAF T
STEERIN G JOIN T
LOWE R JOIN T BOL TBolt mus t lin e u p wit hgroov e aroun d o n shaft .
5. Cente r th e cabl e ree l b y firs t rotatin g it clockwis e unti l
i t stops . The n rotat e i t counterclockwis e (approxi -
matel y tw o turns ) unti l th e arro w mar k o n th e labe l
point s straigh t up .
Reinstal l th e steerin g whee l (se e pag e 17-29 ). 6
. Instal l th e senso r lin e o n th e rea r beam .
7 . Instal l th e senso r lin e an d ai r tub e o n th e pip e
clamps .
PIPE CLAMP S
AI R TUB E
SENSO R LIN E
8. Tighte n th e tw o gearbo x mountin g bolt s o n th e
righ t side .
9 . Instal l th e splas h guar d wit h th e tw o gearbo x
mountin g bolt s o n th e lef t side .
10. Tighte n th e splas h guar d attachin g bolts .
NOTE : Instal l th e bolt s loosel y first , the n tighte n
the m securely .
SPLASH GUAR D
GEARBO X MOUNTIN G BOLT SSPLAS H GUAR D MOUNTIN G 4 3 N- m (4. 4 kgf-m , 3 2 Ibf-ft )BOLT S38 N- m (3. 9 kgf-m , 2 8 Ibf-ft )
STEERIN G JOIN T BOLT S22 N- m (2. 2 kgf-m , 1 6 Ibf-ft )STEERIN G JOIN T
SENSO R LIN E
ATTACHIN G BOL T
9. 8 N- m (1. 0 kgf-m , 7 Ibf-ft )
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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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Ball Join t Boo t Replacemen t
'9 5 - 9 7 models :
1. Remov e th e boo t se t rin g an d th e boot .
CAUTION : D o no t contaminat e th e boo t installa -
tio n sectio n wit h grease .
2 . Pac k th e interio r o f th e boo t an d li p wit h grease .
3 . Wip e th e greas e of f th e slidin g surfac e o f th e bal l
pin , the n pac k th e lowe r are a wit h fres h grease .
CAUTION :
• Kee p greas e of f th e boo t installatio n sectio n an d
th e tapere d sectio n o f th e bal l pin .
• D o no t allo w dust , dirt , o r othe r foreig n materi -
al s to ente r th e boot .
BALL PI N TAPERE DSECTION
Wip e of f th e grease .
BOO T INSTALLATIO N
SECTIO N
Wip e of f th e grease . BOO
T INSTALLATIO N
SECTIO N
Wip e of f th e grease .
4. Instal l th e boo t i n th e groov e o f th e boo t installatio n
sectio n securely , the n blee d air .
ADJUSTIN G BOL TAdjust th e dept hby turnin g th e bolt .
BOO T
BALL JOIN T BOO T
CLI P GUID E
07974-SA5080 0
SET RIN G
5. Adjus t th e specia l too l wit h th e adjustin g bol t unti l th e
end o f th e too l align s wit h th e groov e o n th e boot .
Slide th e se t rin g ove r th e too l an d int o position .
CAUTION : Afte r installin g th e boot , chec k th e bal l
pi n tapere d sectio n fo r greas e contaminatio n an d
wip e it i f necessary .
'98 model :
CAUTION : D o no t contaminat e th e boo t installatio n sec -
tio n wit h grease .
1 . Remov e th e boo t fro m th e tie-ro d end , an d wip e th e
ol d greas e of f th e bal l pin .
2 . Pac k th e lowe r are a o f th e bal l pi n wit h fres h grease .
3 . Pac k th e interio r o f th e ne w boo t an d li p wit h fres h
grease .
CAUTION :
• Kee p greas e of f th e boo t installatio n sectio n an d
th e tapere d sectio n if th e bal l pin .
• D o no t allo w dust , dirt , o r othe r foreig n material s
t o ente r th e boot .
BALL PI N TAPERE DSECTION
Wip e of f th e grease .
BOO
T INSTALLATIO N
SECTIO N
Wip e of f th e grease .
4. Instal l th e ne w boo t usin g th e specia l too l a s show n
below .
NOTE : Th e boo t mus t no t b e a ga p a t th e boo t instal -
latio n sections .
BOOT
FRON T HU B
DIS/ASSEMBL Y TOO L
07965-SA5050 0
TIE-ROD EN D
CAUTION : Afte r installin g th e boot , chec k th e bal l
pi n tapere d sectio n fo r greas e contamination , an d
wip e it i f necessary .
LIP
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Special Tool s
Ref. No.Too l Numbe r DescriptionQtyPag e Referenc e
Ball Join t Remover/Installe r
Hu b Dis/Assembl y Bas e
Hu b Dis/Assembl y Too l
Bal l Join t Boo t Cli p Guid e
Sea l Drive r
Bal l Join t Remove r 3 2 m m
Bal l Join t Remover , 2 8 m m
Suppor t Bas e18-17
18-1 4
18-14
18-17 , 18-1 8
18-15
18-1 2
18-12 , 18-13 , 18-2 8
18-15
07GA F - SD4033 0
07GA F - SD0070 0
07GAF-SE0010 0
07GA G - SD4070 0
07LAD-PT3010 A
07MAC-SL0010 0
07MA C - SL0020 0
07965-SD9010 0
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Component Location s
Index
Whee l Alignment , pag e 18- 5
FRON T DAMPE R
• Removal , pag e 18-2 0
• Disassembly/Inspection , pag e 18-2 0
• Reassembly , pag e 18-2 2
• Installation , pag e 18-2 3
LOWE R AR M• Removal/Inspection , pag e 18-1 8
• Installation , pag e 18-1 9 Fron
t Suspensio n
UPPER AR M• Removal/Inspection , pag e 18-1 8
• Installation , pag e 18-1 9
KNUCKLE/HU B• Knuckl e Removal , pag e 18-1 1
• Hu b Uni t Remova l an d
Whee l Bearin g Replacement , pag e 18-1 3
• Knuckl e Installation , pag e 18-1 6
RADIU S RO D
• Removal/Inspection , pag e 18-1 8
• Installation , pag e 18-1 9
Rear Suspensio n
REAR DAMPE R• Removal , pag e 18-3 0
• Disassembly/Inspection , pag e 18-31
• Reassembly , pag e 18-3 3
• Installation , pag e 18-3 4
LOWE R AR M B
• Removal/Inspection , pag e 18-2 8
• Installation , pag e 18-2 9
UPPE R AR M• Removal/Inspection , pag e 18-2 8
• Installation , pag e 18-2 9
LOWE R AR M A• Removal/Inspection , pag e 18-2 8
• Installation , pag e 18-2 9
HUB BEARIN G UNI T
• Removal , pag e 18-2 6
• Installation , pag e 18-2 7
TRAILIN G AR M
• Removal/Inspection , pag e 18-2 8
• Installation , pag e 18-2 9
NOTE : Refe r t o page 18-3a of th e '96-9 8 Acura 3.2TL Servic e Manual supplement forfor the differences on this page for the 3.2TL.
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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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Wheel Alignmen t
Camber
Inspectio n
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 cambe r angle .
Cambe r angle :
Front: 0°00'±1 °
Rear : -0°30'±1 °
2 . I f ou t o f specification , chec k fo r ben t o r damage d sus -
pensio n components .
Front To e Inspection/Adjustmen t
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. Check the tire pressure.
2. Cente r steerin g whee l spokes .
3 . Chec k th e to e wit h th e wheel s pointe d straigh t
ahead.
Front toe : OU T 1. 0 ± 2 m m (1/1 6 ± 1/1 6 in )
— If adjustmen t i s required , g o o n to ste p 4 .
— If n o adjustmen t i s required , remov e alignmen t
equipment .
4 . Loose n th e tie-ro d locknuts , the n tur n bot h tie-rod s
i n th e sam e directio n unti l th e fron t wheel s ar e i n
straigh t ahea d position .
5 . Tur n bot h tie-rod s equall y unti l th e to e readin g o n
th e turnin g radiu s gaug e is correct .
6 . Afte r adjusting , tighte n th e tie-ro d locknuts .
NOTE : Repositio n th e tie-ro d boo t i f i t i s twiste d o r
displaced .
TIE-ROD LOCKNU T14 x 1. 5 m m44 N- m (4. 5 kgf-m , 3 3 Ibf-ft )TIE-RO D
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Rear To e Inspection/Adjustmen t
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 , to e and/o r turnin g angle) . Follo w
th e equipmen t manufacturer' s instructions .
1. Releas e parkin g brake .
NOTE:
• Measur e differenc e i n to e measurement s wit h
th e wheel s pointe d straigh t ahead .
• I f th e parkin g brak e is engaged , yo u ma y ge t a n
incorrec t reading .
Rea r toe-in : 2 ± 2 mm (1/1 6 ± 1/1 6 in )
— If adjustmen t i s required , g o to ste p 2 .
— If n o adjustmen t i s required , remov e alignmen t
equipment .
2 . Hol d th e adjustin g bol t o n th e rea r lowe r ar m A an d
loose n th e self-lockin g nut .
SELF-LOCKIN G NU T10 x 1.2 5 mm54 N- m (5. 5 kgf-m , 4 0 Ibf-ft )Replace .
LOWER AR M A
ADJUSTIN G BOL T
3. Adjus t th e rea r to e b y turnin g th e adjustin g bol t
unti l to e is correct .
4 . Instal l th e self-lockin g nut , an d tighte n i t whil e hold -
in g th e adjustin g bolt .
Turnin g Angl e Inspectio n
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.Tur n th e whee l righ t an d lef t whil e applyin g th e
brake , an d measur e th e turnin g angl e o f bot h
wheels .
Turning angle :
Inward wheel : 40°00 ' ± 2°
Outwar d wheel : 33 ° 18 ' (reference )
2.If th e turnin g angl e i s no t withi n th e specifications ,
chec k fo r ben t o r damage d suspensio n compo -
nents .
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