tow ACURA TL 1995 Service Owner's Manual

Ring Gea r Toot h Contac tRing Gea r Backlas h
Adjustmen t
1) Correc t Toot h Contac t
2 ) To e Contac t
• Us e a thinne r driv e pinio n shi m (4 3 m m thrus t
shim ) t o mov e th e driv e pinio n awa y fro m th e rin g
gear .
3 ) Hee l Contac t
• Us e a thicke r driv e pinio n shi m (4 3 m m thrus t
shim) t o mov e th e driv e pinio n towar d th e rin g
gear .
4) Flan k Contac t
• T o mov e th e rin g gea r awa y fro m th e driv e pin -
ion , us e a thicke r sid e bearin g shi m (79. 5 m m
thrus t shim ) o n th e driv e pinio n sid e an d a thinne r
on e o n th e rin g gea r side .
NOTE : Rechec k backlas h afte r replacin g th e sid e
bearin g shims . I f ou t o f specification , adjus t a s
describe d unde r To e Contact .
5 ) Fac e Contac t
• T o mov e th e rin g gea r towar d th e driv e pinion ,
us e a thinne r sid e bearin g shi m (79. 5 m m thrus t
shim ) o n th e driv e pinio n sid e an d a thicke r on e
o n th e rin g gea r side .
NOTE : Rechec k backlas h afte r replacin g th e sid e
bearin g shims . I f ou t of specification , adjus t a s
described under Hee l Contact .
Adjustmen t
1. I f th e backlas h exceed s th e standard , correc t b y
decreasin g th e shi m thicknes s o n on e sid e an d
increasin g th e thicknes s o f th e othe r shi m th e sam e
amount .
NOTE:
• Th e tota l thicknes s o f bot h shim s mus t stil l equa l
th e tota l thicknes s o f th e origina l shims .
• I f ther e i s to o muc h backlash , mov e th e rin g gea r
towar d th e driv e pinion . I f ther e i s no t enoug h
backlash , mov e th e rin g gea r awa y fro m th e
driv e pinion .
2 . Afte r adjustment , rechec k backlas h (se e page 15-8 ).
Standard : 0.0 6 - 0.1 4 m m (0.00 2 - 0.00 6 in )
79. 5 m m THRUS T SHI M
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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
dir t fro m th e valv e bod y unit , it s lines , an d th e en d o f
th e gearbox . Blo w dr y wit h compresse d air .
1 . Drai n th e powe r steerin g flui d (refe r t o th e '9 5 - 9 8
Acur a 2.5T L Servic e Manual , P/ N 61SW504) .
2 . Rais e th e fron t o f vehicle , an d suppor t i t o n safet y
stand s in th e prope r locations .
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 (refe r t o th e '9 5 - 9 8 Acur a 2.5T L Servic e
Manual , P/ N 61SW504) :
5 . Remov e th e cotte r pi n fro m th e castl e nut , an d
remov e th e nut .
6 . Instal l th e 1 2 m m he x nu t o n th e bal l joint . B e sur e
tha t th e 1 2 m m he x nu t i s flus h wit h th e bal l join t
pi n end , o r th e threade d sectio n o f th e bal l join t 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- 8 fo r ho w to us e th e bal l join t remover .
7 . 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 .
12 m m HE X NU TCOTTE R PI NReplace .
CASTLE NU T
BAL L JOIN T REMOVER ,
28 m m07MA C-SL0020 0
8. Fro m th e engin e compartment , remov e th e steerin g
join t lowe r bolt , an d mov e th e join t towar d th e col -
umn .
STEERIN G JOIN T LOWE R BOL T
9. Remov e th e splas h guard .
NOTE : Som e splas h guar d mountin g bolt s ar e als o
use d a s gearbo x mountin g bolts . Th e gearbo x wil l
tilt to th e sid e whe n thes e bolts are removed .
SPLASH GUAR D
SPLAS H GUAR D
MOUNTIN G BOLT S GEARBO
X MOUNTIN G
BOLTS
10. Remov e th e lin e clamp s an d lin e mountin g cush -
ions fro m th e gearbox .
LINE CLAMP SLINE MOUNTIN GCUSHIONS
LINE CLAM P
STEERIN
G JOIN T
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Steering Gearbo x
Disassembl y (cont'd )
19. Chec k th e rubbe r sto p fo r damag e o r deterioratio n if
OK , g o o n ste p 20 ; i f not , replac e th e rubbe r stop ,
ste p a s show n below :
Remov e th e rubbe r sto p b y pryin g it ou t o f th e gear -
bo x housin g wit h a fla t ti p screwdriver .
CAUTION: Protec t th e pr y poin t o n th e gearbo x
housing wit h sho p towel .
FLAT TI P SCREWDRIVE R
GEARBOX HOUSIN G
Shop towe l
RUBBE R STO P
Replace .
20. Carefull y pr y th e pisto n sea l rin g an d O-rin g of f th e
rac k piston .
CAUTION : B e carefu l no t t o damag e th e insid e o f
sea l rin g groov e an d pisto n edge s whe n removin g
th e sea l ring .
O-RIN GReplace .
PISTON SEA L RIN GReplace .
RUBBE
R STO P
Cut-ou t
Cut-ou t
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Steering Gearbo x
Reassembl y (cont'd )
Steering Rac k Installatio n
1. I f remove d th e rubbe r stop ; positio n th e ne w rub -
be r sto p i n th e gearbo x housing , the n pres s i t i n
usin g a hydrauli c pres s an d th e specia l tool s a s
shown .
NOTE : Mak e sur e tha t th e specia l too l presse s
agains t th e meta l portio n o f th e rubbe r stop .
Press
META L RIN G
DRIVE R07749 - 0010000
ATTACHMENT ,32 x 35 m m
RUBBE R STO P
Replace .
GEARBO X HOUSIN G
2. Coa t th e pisto n sea l rin g guid e wit h powe r steerin g
fluid , an d slid e it ont o th e rack , bi g en d first .
3 . Positio n th e ne w O-rin g an d ne w pisto n sea l rin g o n
th e specia l tool , the n slid e the m dow n towar d th e
big en d o f th e tool .
NOTE :
• D o no t ove r expan d th e resi n sea l rings . Instal l
th e resi n sea l ring s wit h car e s o a s no t t o dam -
ag e them . Afte r installation , b e sur e t o contrac t
th e sea l rin g usin g th e specia l too l (sizin g tool) .
• Replac e piston' s O-rin g an d sea l rin g a s a set .
4 . Pul l th e O-rin g of f int o th e pisto n groove , the n pul l
th e pisto n sea l rin g of f int o th e pisto n groov e o n to p
o f th e O-ring .
PISTON
PISTON SEA L RIN GGUID E07LAG-SM4010 0 o r07LA G-SM4010 A
5. Coa t th e pisto n sea l rin g an d th e insid e o f th e spe -
cia l too l wit h powe r steerin g fluid .
6 . Carefull y slid e th e too l ont o th e rac k an d ove r th e
pisto n sea l ring .
7 . Mov e th e specia l too l bac k an d fort h severa l time s
t o mak e th e pisto n sea l rin g fi t snugl y in th e piston .
PISTON SEA L RIN GReplace .
PISTON SEA L RIN GSIZIN G TOO L07LA G-SM4020 0 o r07LA G-SM4020 A
8. Wra p viny l tap e aroun d th e rac k teet h an d rac k en d
edges , an d coa t th e surfac e o f th e tap e wit h th e
powe r steerin g fluid .
NOTE : Mak e sur e tha t th e viny l tap e is wrappe d care -
full y s o tha t ther e is n o steppe d portion .
VINYL TAP E
O-RIN GReplac ePISTON SEA L RIN GReplace .
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9. Coa t th e insid e surfac e o f th e ne w cylinde r en d sea l
with powe r steerin g fluid .
10. Instal l th e cylinde r en d sea l ont o th e steerin g rac k
with it s groove d sid e towar d th e piston .
CAUTION : Whe n installin g th e cylinde r en d seal ,
b e carefu l no t t o damag e th e sealin g li p fac e o f th e
sea l wit h th e edge s o r teet h o f th e steerin g rack .
CYLINDE R EN D SEA LReplace .
PISTON
CYLINDE R EN D SEA LReplace .
13. Greas e th e steerin g rac k teeth , the n inser t th e steer -
in g rac k int o th e cylinde r housing .
CAUTION : B e carefu l no t t o damag e t o inne r sur -
fac e o f th e cylinde r housin g wit h th e rac k edges .
CYLINDE R HOUSIN G
STEERIN G RAC K
14. Inser t 6 " lon g 3/8 " driv e extensio n an d th e specia l
tool int o th e steerin g rac k a s shown .
Press
. 6 " LON G 3/8 " DRIV E EXTENSIO N(Commerciall y available )
CYLINDER EN D SEA L• REMOVE R ATTACHMEN T07NAD-SR3020 A
• STEERIN G RAC K
CYLINDE R EN D SEA L' Replace .
15. Instal l th e cylinde r en d sea l int o th e botto m o f th e
cylinde r b y pressin g o n th e too l with a press a s
shown .
CAUTION : D o no t pus h o n th e too l wit h excessiv e
forc e a s it ma y damag e th e cylinde r en d seal .
STEERIN G RAC K
Groove d side .
Make sur e th esprin g in th e cylinde rend seal .
11. Remov e th e viny l tap e fro m th e steerin g rack .
Remov e an y residu e o f tap e adhesive .
12 . Instal l th e ne w backu p rin g o n th e steerin g rack ,
the n plac e th e cylinde r en d sea l t o piston .
BACKU P RIN G
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Steering Gearbox

Reassembly (cont'd)

CYLINDER END SEAL

Replace.

VINYL TAPE

19. Remove the vinyl tape from the steering rack, then

push in the cylinder end seal with your finger.

NOTE:

• Remove any residue of tape adhesive.

• Take care not to damage the cylinder end seal

with the threads and burrs at the staked position

of the gearbox.

20. Install special to the steering gearbox, then clamp

the tool in a vise with soft jaws as shown.

CAUTION: Do not clamp the cylinder housing.

PULLER YOKE:

(Commercially available)

Snap-On® T/N CJ123-1

OTC® T/N 7372

or equivalent
21. Coat the inside surface of the cylinder end with

power steering fluid, then install the cylinder end by

screwing it into the cylinder housing.

22. Remove the puller yoke from the steering gearbox.

23. After tightening the cylinder end, stake the point of

the cylinder housing shown below.

NOTE: Stake the cylinder in the position opposite

from where the stake was removed during disas-

sembly.

CYLINDER END

CYLINDER END

78 N-m (8.0 kgf-m, 58 Ibf-ft)
BUSHING

Be careful not to damage

the bushing when inserting

the cylinder end.
Grooved side.,
Stake point. Depth: 1.0 mm (0.04 in)

CYLINDER HOUSING

4.0 mm
(0.16
in)

STEERING GEARBOX
16. Wrap vinyl tape around the rack end edges, and

coat the surface of the tape with the power steering

fluid.

NOTE: Make sure that the vinyl tape is wrapped care-

fully so that there is no stepped portion.

17. Coat the inside surface of the new cylinder end seal

with power steering fluid.

18. Install the cylinder end seal onto the steering rack

with its grooved side toward the piston.

CAUTION: When installing the cylinder end seal,

be careful not to damage the sealing lip face of the

seal with the edges of the steering rack.

Staked position.

Make sure the spring

is in the cylinder end seal.,ProCarManuals.com

Ignition Syste m
Ignition Timin g Inspectio n
SRS component s ar e locate d in thi s area . Revie w th e SR S
componen t locations , precautions , an d procedure s i n th e
SR S (sectio n 24 ) befor e performin g repair s o r service .
1 . Star t th e engine . Hol d th e engin e a t 3,00 0 rp m wit h
no loa d (shif t leve r i n position ) unti l th e
radiato r fa n come s on , the n le t i t idle .
2 . Pul l ou t th e servic e chec k connecto r locate d unde r
th e glov e box . Connec t th e GRN/BL U an d OR N wir e
terminal s wit h th e specia l tool .
SCS SERVIC E CONNECTO R
( 07PAZ -0010100 )
5. Inspec t ignitio n timin g a t idl e speed .
Ignition Timing :
1 5 ± 2 BTD C (RED ) a t 64 0 + 50 rp m wit h shif t leve r
in positio n an d electrica l system s turne d
off.
6. I f th e ignitio n timin g i s incorrect , replac e th e PC M
(ther e i s n o wa y t o adjus t ignitio n timing) .
7 . Disconnec t th e specia l too l fro m th e servic e chec k
connector .
3
. Chec k th e idl e spee d (se e pag e 23-75 ).
4 . Connec t a timin g ligh t t o th e servic e loop ; whil e th e
engin e idles , poin t th e ligh t towar d th e pointe r o n
th e timin g bel t cover .
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Alternator Replacemen t
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 -
set buttons .
2. Disconnec t th e batter y negativ e cable , the n discon -
nec t th e positiv e cable .
3 . Remov e th e lowe r mountin g bolt , adjustin g loc k
bol t an d adjustin g rod , the n remov e th e bel t fro m
th e pulley . 4
. A s show n i n th e illustration , rotat e th e alternato r 9 0
degree s counterclockwis e an d pul l i t ou t towar d you .
5 . Disconnec t th e 4 P connecto r an d th e harnes s cli p
bracket , the n remov e th e termina l nu t an d th e BL K
wir e fro m th e B terminal . Tak e ou t th e alternator .
6 . Instal l i n th e revers e orde r o f removal .
7 . Adjus t th e alternato r bel t tensio n (se e pag e 23-89 ).
8 . Ente r th e anti-theft code fo r th e radio , the n ente r th e
customer' s radi o statio n presets .
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Engine Coolan t Temperatur e (ECT ) Gaug e
Gauge Tes t
1. Chec k th e No . 1 (1 0 A ) fus e i n th e under-das h fuse /
rela y bo x befor e testing .
2 . Remov e th e engin e cover .
3 . Mak e sur e th e ignitio n switc h i s OFF , the n discon -
nec t th e YEL/GR N wir e fro m th e EC T sendin g unit ,
and groun d it wit h a jumpe r wire .
4. Tur n th e ignitio n switc h O N (II) . Chec k tha t th e
pointe r o f th e EC T gaug e start s movin g towar d th e
"H " mark .
CAUTION : Tur n th e ignitio n switc h OF F befor e th e
pointe r reache s "H " o n th e gaug e dial . Failur e to d o
s o ma y damag e th e gauge .
• I f th e pointe r o f th e gaug e doe s no t mov e a t all ,
chec k fo r a n ope n in th e YEL/GR N wire .
I f th e wire s ar e OK , replac e th e EC T gauge .
• I f th e EC T gaug e works , tes t th e EC T sendin g
unit.
4. I f th e obtaine d reading s ar e substantiall y differen t
fro m th e specification s above , inspec t th e coolan t
leve l an d th e coolin g system . I f th e coolin g syste m
i s OK , replac e th e sendin g unit .
3
. Usin g a n ohmmeter , measur e th e chang e i n resis -
tanc e betwee n th e positiv e termina l an d th e engine
(ground ) wit h th e engin e col d an d wit h th e engin e
a t operatin g temperature .
ECT Sendin g Uni t Tes t
1. Remov e th e engin e cover .
2 . Disconnec t th e YEL/GR N wir e fro m th e EC T sendin g
unit.
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Spring-loaded Loc k Connecto r
Some SR S syste m connector s hav e a spring-loade d
lock .
Disconnectin g
T o releas e th e lock , pul l th e spring-loade d sleev e towar d
th e sto p whil e holdin g th e opposit e hal f o f th e connector .
The n pul l th e connecto r halve s apart .
NOTE : B e sur e t o pul l o n th e sleev e an d no t o n th e con -
necto r hal f itself .
SPRING-LOADE DSLEEVE
STOP
Do no t pul l o n thi shalf o f th e connector .
Connecting
Hold th e pawl-sid e connecto r half , an d pres s o n th e
bac k o f th e sleeve-sid e connecto r hal f i n th e directio n
shown . A s th e tw o connecto r halve s ar e presse d
together , th e sleev e is pushe d bac k b y th e pawl .
NOTE : D o no t touc h th e sleeve .
PAWL
SPRING-LOADE D
SLEEVE
2. Whe n th e connecto r halve s ar e completel y connected ,
th e paw l i s released , an d th e spring-loade d sleev e
lock s th e connector .
SPRING-LOADE DSLEEVE
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