1995 ACURA TL Service Repair Manual

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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Wheel/Hub Inspectio n
Bearing En d Pla y
1. Rais e th e vehicl e of f th e ground , an d suppor t i t wit h
safet y stand s i n th e prope r location s (se e sectio n 1 ).
2 . Remov e th e wheels , the n reinstal l th e whee l nuts .
3. Attac h th e dia l gaug e a s shown .
4 . Measur e th e bearin g en d pla y b y movin g th e dis c i n
or outward .
Front/Rear :
Standard: 0 - 0.05 m m (0 - 0.00 2 in )
Fron t
Measur e en d pla y a t th ehub flange .
Rear
Measur e en d pla y a t cente r o fthe hu b cap .
5. I f th e bearin g en d pla y measuremen t i s mor e tha n
th e standard , replac e th e whee l bearing .
Wheel Runou t
1. Rais e th e vehicl e of f th e ground , an d suppor t i t wit h
safet y stand s i n th e prope r location s (se e sectio n 1 ).
2 . Chec k fo r ben t o r deforme d wheels .
3 . Attac h th e dia l gaug e a s shown .
4 . Measur e th e whee l runou t b y turnin g th e wheel .
Fron t an d Rea r Whee l Axia l Runout :
Standard :
Stee l Wheel : 0 - 1. 0 m m (0 - 0.0 4 in )
Aluminu m Wheel : 0 - 0.7 m m (0 - 0.0 3 in )
Servic e Limit : 2. 0 m m (0.0 8 in )
Fron t an d Rea r Whee l Radia l Runout :
Standard :
Stee l Wheel : 0 - 1. 0 m m (0 - 0.0 4 in )
Aluminu m Wheel : 0 - 0.7 m m (0 - 0.0 3 in )
Servic e Limit : 1. 5 m m (0.0 6 in )
5 . I f th e whee l runou t i s mor e tha n th e servic e limit ,
replac e th e wheel .
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Front Suspension

Torque Specifications

CAUTION:

• Replace the self-locking nuts after removal.

• The vehicle should be on the ground before any bolts or nuts connected to rubber mounts or bushings are tightened.

• Torque the castle nut to the lower torque specification, then tighten it only far enough to align the slot with the pin

hole. Do not align the nut by loosening.

NOTE: Wipe off the grease before tightening the nut at the ball joint.

SELF-LOCKING NUT

10 x
1.25
mm

29 N-m (3.0 kgf-m, 22 Ibf-ft)

Replace.
SELF-LOCKING NUT

12 x
1.25
mm

64 N-m (6.5 kgf-m, 47 Ibf-ft)

Replace.
SELF-LOCKING NUT

10 x
1.25
mm

29 N-m (3.0 kgf-m, 22 Ibf-ft)

Replace.

FLANGE BOLT

10 x
1.25
mm

43 N-m (4.4 kgf-m, 32 Ibf-ft)

SELF-LOCKING NUT

8 x
1.25
mm

19 N-m (1.9 kgf-m, 14 Ibf-ft)

Replace.

FLANGE BOLT

12 x
1.25
mm

54 N-m (5.5 kgf-m, 40 Ibf-ft)

FLANGE BOLT

10 x
1.25
mm

39 N-m

(4.0 kgf-m, 29 Ibf-ft)

SELF-LOCKING NUT

12 x
1.25
mm

54 N-m (5.5 kgf-m, 40 Ibf-ft)

Replace.
FLANGE NUT

10 x
1.25
mm

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

CASTLE NUT

10 x
1.25
mm

39 - 47 N-m (4.0 - 4.8 kgf-m, 29 - 35 Ibf-ft)

CALIPER BRACKET MOUNTING BOLT

12 x
1.25
mm

108 N-m (11 kgf-m, 80 Ibf-ft)

FLANGE BOLT

10 x
1.25
mm

44 N-m (4.5 kgf-m, 33 Ibf-ft)

CASTLE NUT

12 x
1.25
mm

49 - 59 N-m (5.0 - 6.0 kgf-m,

36-43 Ibf-ft)

FLANGE BOLT

12 x
1.25
mm

103 N-m (10.5 kgf-m, 76 Ibf-ft)

SELF-LOCKING NUT

12 x
1.25
mm

64 N-m (6.5 kgf-m, 47 Ibf-ft)

Replace.

CASTLE NUT

14 x 2.0 mm

49-59 N-m (5.0 - 6.0 kgf-m, 36-43 Ibf-ft)
SPINDLE NUT

24 x 1.5 mm

245 N-m (25 kgf-m, 181 Ibf-ft)

Replace.

NOTE: After tightening, use a drift to

stake the spindle nut shoulder against

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Front Suspensio n
Knuckle/Hu b
Illustrated Inde x
NOTE :
• Us e onl y genuin e Hond a whee l weight s fo r aluminu m wheels . Non-genuin e whee l weight s ma y corrod e an d damag e
th e aluminu m wheels .
• O n th e aluminu m wheels , remov e th e cente r ca p fro m th e insid e o f th e whee l afte r removin g th e wheel .
• Befor e installin g th e brak e disc , clea n th e matin g surface s o f th e fron t hu b an d brak e disc .
• Befor e installin g th e wheel , clea n th e matin g surface s o f th e brak e dis c an d wheel .
KNUCKL E
CASTLE NU T10 x 1.2 5 mm
FLANG E BOL T10 x 1.2 5 mmCOTTE R PI N
Replace .
SPLAS H GUAR D
LOWE R BAL L JOIN T
Replacement , pag e 18-1 7
BAL L JOIN T BOO T
Replacement , pag e 18-1 8
SCRE W9.8 N- m (1. 0 kgf-m , 7 Ibf-ft )
SPINDL E NU T
24 x 1. 5 m mReplace .
WHEEL CENTE R CA P
WHEE L BEARIN G
Replace .
Replacement , pag e 18-1 3
6 m m BRAK E DIS C RETAININ G SCRE W
9. 8 N- m (1. 0 kgf-m , 7 Ibf-ft ) WHEE
L NU T
12 x 1. 5 m m108 N- m (1 1 kgf-m , 8 0 Ibf-ft )
SE
T RIN G
COTTE R PI N
Replace .
CASTL E NU T
14 x 2. 0 m m
BRAK E DIS C
FRONT HU B
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Knuckle Remova l
1. Loose n th e whee l nuts slightly .
2 . Rais e th e fron t o f vehicle , an d suppor t i t wit h safet y
stand s i n th e prope r location s (se e sectio n 1 ).
3 . Remov e th e whee l nuts and fron t wheel .
4 . Rais e th e lockin g ta b o n th e spindl e nut , the n
remov e th e nut .
FRON T WHEE L
WHEE L NU T
12 x 1. 5 m m
SPINDL E NU T24 x 1. 5 m mReplace .
5. Remov e th e brak e hos e mountin g bolts .
6 . Remov e th e calipe r bracke t mountin g bolts , an d
han g th e calipe r t o on e side .
CAUTION : T o preven t accidenta l damag e t o th e
calipe r o r brak e hose , us e a shor t piec e o f wir e t o
han g th e calipe r fro m th e undercarriage .
BRAKE HOS E MOUNTIN G BOLT S
CALIPE R
CALIPER BRACKE T MOUNTIN G BOLT S12 x 1.2 5 mm
7. Remov e th e whee l senso r wir e bracket , the n remov e
th e whee l senso r fro m th e knuckle .
NOTE : D o no t disconnec t th e whee l senso r connec -
tor.
WIR E BRACKE T
WHEE L SENSO R WHEE
L SENSO R
NOTE: Us e bal l join t remover s t o separat e th e bal l
joints fro m th e suspensio n o r tie-ro d end .
CAUTION : B e carefu l no t t o damag e th e bal l join t boot .
8 . Clea n an y dir t o r greas e of f th e bal l joint .
9 . Remov e th e cotte r pi n fro m th e tie-ro d en d bal l join t
castl e nut , an d remov e th e nut .
10 . Appl y greas e t o th e specia l too l o n th e area s
shown . Thi s wil l eas e installatio n of the too l an d
preven t damag e t o th e pressur e bol t threads .
Apply greas e here . PRESSUR
E BOL T
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