1997 ACURA NSX Service Repair Manual

7. Remov e th e se t scre w locknut . 9
. Mov e th e rac k towar d th e gearbo x sid e (i.e . i n th e
directio n o f th e arrow ) a s fa r a s i t goes , the n pul l
th e steerin g pinio n ou t whe n th e pinio n gea r clear s
th e cutou t i n th e rack .
NOTE : Th e rac k canno t b e remove d fro m th e
cylinde r side .
8 . Remov e th e pinio n se t scre w usin g th e specia l tool .
• Chec k th e dus t sea l fo r damag e an d remov e i t i f
i t mus t b e replaced . Refe r t o pag e 17-2 5 fo r in -
stallation .
• Chec k th e pinio n bearin g movemen t whil e pull -
in g th e bearin g oute r rac e a s shown .
NOTE : Thi s typ e o f th e bearin g ha s play . Th e pla y
shoul d no t b e excessive .
LOCKNUT WRENC H07908 -ME9000 0
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Overhaul (Cont'd )
Manual Steerin g
• I f th e pinio n bearin g i s nois y o r ha s excessiv e
play , replac e th e bearin g usin g th e specia l tool s
an d a press .
NOTE : Hol d th e oute r rac e wit h th e too l securely .10
. Remov e th e steerin g rac k fro m th e cylinde r
housing.
NOTE: Th e steerin g rac k canno t b e remove d fro m
th e cylinde r side .
HUB DIS/ASSEMBL Y BAS E07GAF-SD4070 0
• Chec k th e lowe r bearin g an d replac e i t i f i t i s
damaged .
Remov e th e lowe r bearin g b y lightl y tappin g
with a plasti c hamme r a s shown . I f th e lowe r
bearin g i s har d t o remov e b y tapping , hea t th e
gearbo x b y soakin g i t i n 212° F (100°C ) water .
CAUTION : T o avoi d burns , us e heav y glove s whe n
handlin g th e heate d gearbox .
•
Pres s th e steerin g pinio n int o th e ne w pinio n
bearing .
NOTE :
• Instal l th e pinio n bearin g wit h th e wide r sid e of
th e inne r rac e towar d th e gear .
• Hol d th e inne r rac e wit h th e too l securely .
HUB DIS/ASSEMBL Y BAS E07GAF-SD4070 0
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P/S ADJUSTMENT GUIDE

07973-6920001

11. Insert the steering rack into the cylinder housing,

being careful not to damage the steering rack

sliding surface.
13. If the pinion dust seal was removed, drive in the

new dust seal until it bottoms on the step on the pi-

nion set screw.

14. Grease the sealing lip of the pinion dust seal.
• Press the new lower bearing into the gearbox

housing until it seats using a press and special

tool.

NOTE:

• Install the lower bearing with the wider side of

the outer race toward the bottom of the

gearbox.

• Hold the outer race with the tool securely.

• Do not allow dust and other foreign materials to

enter the lower bearing.
12. Install the steering pinion into the gearbox.

NOTE: Do not engage the steering pinion with the

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Overhaul (Cont'd )
Manual Steerin g
1 5 . Wra p th e spline d are a o f th e steerin g pinio n wit h
viny l tap e an d greas e th e surfac e o f th e tape .
16 . Slid e th e pinio n se t scre w ove r th e steerin g pinion ,
bein g carefu l no t t o damag e th e sealin g li p o f th e
dus t seal , the n remov e th e viny l tape .
18. Tur n th e pinio n shaf t righ t an d lef t severa l time s t o
se t it , the n loose n th e pinio n se t screw .
NOTE : B e sur e tha t th e pinio n gea r an d rac k gea r
ar e no t engaged .
19 . Instal l th e specia l too l ont o th e pinio n shaft . Attac h
a sprin g scal e t o th e too l an d pul l th e scale . Adjus t
th e pinio n se t scre w unti l th e gaug e read s 1. 5- 2. 5
N (0.15-0.25 kg, 0.33-0.55 Ib).
STEERIN G INSPECTIO N AR M07974-SD9000 0
LOCKNUT WRENC H07908-ME9000 0
17. Tighte n th e pinio n se t scre w t o a torqu e wrenc h
readin g (indicated )
of 9.4-10. 4 N-m (94-104kg -
cm, 84-9 3 Ib-in) .
NOTE : Th e abov e specificatio n is th e torqu e wrenc h
readin g (indicated ) whe n th e se t scre w is tightene d
usin g a torqu e wrenc h 2 5 c m (1 0 inches ) long . I f yo u
tighte n th e se t scre w usin g a torqu e wrenc h o f th e
differen t length , obtai n th e torqu e valu e usin g th e
followin g formulas .
LOCKNUT WRENC H07908-ME9000 0
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21. Tur n th e pinio n shaf t slowly , the n inser t th e rac k
an d engag e th e rac k an d pinio n gears . 24
. Tighten , loose n an d retighte n th e rac k guid e scre w
tw o time s t o 5 N- m (0. 5 kg-m , 3. 6 Ib-ft) , the n bac k
it of f 15° .
22. Th e syste m is in neutra l whe n th e rac k en d project s
6 0 m m (2. 4 in ) fro m th e cylinde r end .
23 . Instal l th e rac k guide , pressur e plate , pressur e
sprin g an d rac k guid e screw .20. Instal l th e se t scre w locknut , the n hol d th e pinio n
set scre w an d tighte n th e se t scre w locknut .
LOCKNU T WRENC H07908 -ME9000 0
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29. Instal l th e ne w boo t band s o n th e boo t an d ben d bot h
set s o f lockin g tabs .
30 . Lightl y ta p o n th e double d portion s t o reduc e thei r
height .
NOTE : Afte r assembling , slid e th e rac k righ t an d lef t
t o b e certai n tha t th e boot s ar e no t deforme d o r
twisted .
32 . Instal l th e gearbo x o n th e fron t crossbea m (se e
pag e 17-20 ).
33 . Chec k th e whee l alignmen t an d adjus t i f necessar y
(se e sectio n 18 ).
31
. I f th e tie-ro d end s wer e removed , instal l th e tie -
rod s o n th e righ t an d lef t rac k end s an d scre w the m
i n unti l th e threade d sectio n i s 1 1 m m (0. 4 in ) i n
length .
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Ball Join t Boo t Replacemen t
Manual Steerin g
1 . Remov e th e circli p an d th e boot ;
CAUTION : D o no t contaminat e th e boo t installatio 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 . 5
. Inser t th e specia l too l int o th e thread s i n th e bal l pi n
and alig n th e en d o f th e too l wit h th e groov e in th e
boot .
Slide th e se t rin g ove r th e too l an d int o position .
BALL JOIN T
BOO T CLI P
GUID E07MAG-SL0010 0
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 t o ente r th e boot . 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 i t of f i f necessary .
4. Instal l th e boo t i n th e groov e o f th e boo t installatio n
section securely , the n blee d air .
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Chassis and Paint Codes

Vehicle Identification Number
Transmission Number

Paint Code

Engine Number
Vehicle Identification Number

and Federal Motor Vehicle

Safety Standard Certification

Vehicle Identification Number and Canadian

Motor Vehicle Safety Standard Certification

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