1995 ACURA TL Service Repair Manual

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
Remova l (cont'd )
11. Disconnec t th e tw o line s (fee d lin e an d senso r
retur n line ) fro m th e valv e bod y uni t uppe r side .
CAUTION : Afte r disconnectin g th e pipes , plu g o r
sea l th e lin e fitting s wit h a piec e o f tap e o r equiva -
len t t o preven t foreig n material s fro m th e enterin g
th e valv e bod y unit :
FEED LIN E(Fro m th e pump )
SENSO R RETUR N LIN E
(T o th e reservoir )
12. Disconnec t th e tw o line s (senso r inle t lin e an d
retur n line ) fro m th e valv e bod y uni t lowe r side .
NOTE : I t i s no t necessar y t o loose n cylinde r line s A
an d B betwee n th e valv e bod y uni t an d th e cylinder ,
(see pag e 17-11 )
12 m m FLAR E NU T
17 m m FLAR E NU T SENSO
R INLE T LIN E
(T o th e powe r steerin g
spee d sensor )
RETUR N LIN E
(T o th e reservoir )
13. Remov e th e righ t mountin g bracke t an d steerin g
gearbox .
NOTE : Befor e removin g th e gearbox , plac e a jac k
stan d unde r th e gearbox.
CAUTION : B e carefu l no t t o ben d o r damag e cylin -
de r line s A an d B whe n removin g th e steerin g gear -
box.
RIGH T MOUNTIN GBRACKET
STEERIN G GEARBO X
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Disassembly
Steering Rac k Disassembl y
NOTE:
• Befor e disassemblin g th e gearbox , was h i t of f wit h
solven t an d a brush .
• D o no t di p seal s an d O-ring s i n solvent .
1 . Remov e th e steerin g gearbo x (se e pag e 17-9 ).
2 . Remov e th e tie-ro d en d an d locknut .
3 . Remov e th e boo t band s an d tie-ro d clips . Pul l th e
boot s awa y fro m th e end s o f th e gearbox .
BOOT BAN DReplace .
BOOTTIE RO D CLI P
4. Hol d th e steerin g rac k wit h a wrench , an d unscre w
th e rac k en d wit h another .
CAUTION : B e carefu l no t t o damag e th e rac k sur -
face wit h th e wrench .
STEERIN G RAC K EN D
LOC K WASHE RReplace.
5. Loose n th e locknu t an d remov e th e rac k guid e
screw .
6 . Remov e th e sprin g an d rac k guid e fro m th e gearbo x
housing .
RACK GUID ESCRE W
RACK GUID E
SPRIN G
LOCKNU T
7. Remov e cylinde r line s A an d B fro m th e gearbox .
CYLINDER LIN E B
CYLINDE R LIN E A
8. Drai n th e flui d fro m th e cylinde r fitting s b y slowl y
movin g th e steerin g rac k bac k an d forth .
O-RIN GReplace .
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Steering Gearbo x
Disassembl y (cont'd )
9. Remov e th e tw o flang e bolts , the n remov e th e valv e
body uni t fro m th e gearbo x (refe r t o th e '9 5 - 9 8
Acur a 2.5T L Servic e Manual , P/ N 61SW504) .
VALVE BOD Y UNI T
FLANGE BOL T
10. Dril l a 3 m m (0.1 2 in ) diamete r hol e approximatel y
2. 5 - 3. 0 m m (0.1 0 - 0.1 2 in ) i n dept h i n th e staked -
point o n th e cylinder .
NOTE:
• D o no t allo w meta l shaving s t o ente r th e cylinde r
housing .
• Afte r removin g th e cylinde r end , remov e an y
burr s a t th e stak e point .
STAKE D POIN T
CYLINDE R EN D
11. Instal l th e specia l too l t o th e steerin g gearbo x hous -
ing. Clam p th e too l i n a vis e wit h sof t jaw s a s
shown , the n loose n an d remov e th e cylinde r end .
CAUTION : D o no t clam p th e cylinde r housing .
PULLER YOKE :
(Commerciall y available )
Snap-On ® T/ N CJ123- 1
OTC® T/ N 737 2or equivalen t
STEERING GEARBO XHOUSING
STEERIN G RAC K
CYLINDE R EN D SEA L
REMOVE R ATTACHMEN T
07NA D-SR3020 A
CYLINDER EN D SEA L
Replace .
SHIMS
O-RIN G
Replace . CYLINDE
R EN D
Chec k th e rubbe r sto p i n th e cylinde r en d fo r
damag e o r deterioration . I f th e rubbe r sto p isdamaged , replac e th e cylinde r end .
Depth : 2. 5 - 3. 0 m m(0.1 0 - 0.12 in)
12. Se t th e steerin g gearbo x i n a pressbo x s o th e
gearbo x housin g point s upward .
13. Inser t a 6" long , 3/8 " driv e extensio n int o th e spe -
cial tool .
14. Pres s th e cylinde r en d sea l an d steerin g rac k ou t o f
th e gearbox .
NOTE : Hol d th e steerin g rac k t o kee p it fro m fallin g
whe n presse d clear .
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 tool .
Pres s
STEERIN G GEARBO X
6
" LON G 3/8 " DRIV E EXTENSION :
(Commerciall y available )
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15. Remov e th e cylinde r en d sea l fro m th e steerin g
rack .
CYLINDE R HOUSIN G
STEERIN G RAC K
CYLINDE R EN D SEA L
Replace .
16. Tur n th e specia l too l s o it wil l fi t throug h th e en d o f
the gearbo x housing , the n positio n specia l too l o n
th e backu p rin g a s show n below .
NOTE : Mak e sur e tha t th e specia l too l i s securel y
positione d o n th e backu p rin g edges .
CYLINDE R EN D
SEA L REMOVE R
ATTACHMEN T
07TAF-SZ5010 0
BACKUP RIN G
CYLINDE R EN D SEA L
17. Inser t a 24 " lon g 3/8 " driv e extensio n int o th e cylin -
der an d th e specia l too l fro m th e gearbo x side .
CAUTION : B e carefu l no t t o damag e th e insid e sur -
fac e o f th e housin g wit h th e tools .
24" LON G 3/8 " DRIV E EXTENSIO N
(Commerciall y available )
Press
BACKU P RIN GReplace . CYLINDE
R EN D SEA L
REMOVE R ATTACHMEN T07TAF-SZ5010 0
CYLINDER EN D SEA LReplace .
18. Se t th e steerin g gearbo x in a press , the n pres s ou t
the cylinde r en d sea l an d backu p rin g fro m th e
gearbox .
CAUTION :
• Kee p th e too l straigh t t o avoi d damagin g th e
cylinde r wall . Chec k th e too l angle , an d correc t i t
i f necessary , whe n removin g th e cylinde r en d
seal .
• Us e a pres s t o remov e th e cylinde r en d seal . D o
no t tr y t o remov e th e sea l b y strikin g th e tool . I t
wil l brea k th e backu p ring , an d th e cylinde r en d
sea l wil l remai n in th e gearbox .
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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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Reassembly

NOTE:

• Clean the disassembled parts with a solvent, and dry them with compressed air. Do not dip the rubber parts in a sol-

vent.

• Always replace the O-rings and rubber seals with new ones before assembly.

• Apply the recommended power steering fluid to the parts indicated in the assembly procedures.

• Do not allow dust, dirt, or other foreign materials to enter the power steering system.

• Use the appropriate special tools where necessary.

FLANGE BOLT

9 N-m (0.9 kgf-m, 6.5 Ibf-ft)
FLANGE BOLT

20 N-m (2.0 kgf-m, 14 Ibf-ft)

CAP
PINION DUST COVER

VALVE HOUSING

26 N-m (2.7 kgf-m, 20 Ibf-ft)

CYLINDER LINE A

VALVE OIL SEAL

Replace.

SHIMS

CYLINDER END

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

CYLINDER END SEAL

Replace.
BACKUP RING

Replace.
CAP SEAL

Replace.

PRESSURE CONTROL

VALVE
SPRING

HOUSING SEAL

Replace.

CYLINDER LINE B
VALVE BODY
ASSIST CONTROL

VALVE

VALVE SEAL RING

Replace.

ROLLER BEARING

Replace.

O-RING

Replace.

SLEEVE SEAL

RINGS

Replace.
CIRCLIP

Replace.

SLEEVE
20 N-m (2.0 kgf-m, 14 Ibf-ft)

BACKUP RING

PINION SHAFT
LOCKNUT

RACK GUIDE SCREW

O-RING

Replace.
SPRING
RACK GUIDE

STEERING RACK
CYLINDER END SEAL

Replace.
PISTON SEAL RING

Replace.
CYLINDER HOUSING

GEARBOX HOUSING
O-RING

Replace.
RUBBER STOP

Check for damage or

deterioration.
VALVE SEAL RING

Replace.
O-RING

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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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