1998 ACURA INTEGRA valve

8.Remove the cylinder line A and B from the gearbox.
Drain the fluid from the cylinder fittings by moving
the steering rack back and forth.
Remove the two flange bolts, then remove the valve
body unit from the gearbox, (See page 17-47 for
valve body unit disassembly.)
FLANGE BOLT
10.
CYLINDER LINE B
VAI.VE BODY UNIT
11.Orill a 3 mm (0.12 in) diameter hole approximately
2.5 - 3.5 mm (0.10 - 0.14 in) in depth in the staked-point on the cylinder.
NOTE: Oo not allow metal shavings to enter the
cylinder housing.
12. Install a puller yoke to the steering gearbox. Clamp
the puller yoke in a vise with soft jaws as shown,
then loosen and remove the cvlinder end,
CYLINDER END
STAKED POINT
\\
i D.pth:2.5 - 3.0 mm {0.10 - 0.'12 inl
re
17-45l

20.Apply vinyl tape to the pinion shaft.
Separate the valve housing from the pinion shaft/
valve ustng a press.
VALVE HOUSING
Vinyllape
PINION SHAFT
Check the inner wall of the valve housing where the
seal ring slides with your finger. It there is a step in
the wall, the valve housing is worn, Beplace the
valve housing.
NOTE: There may be the sliding marks trom the
seal ring on the wall of the valve housing. Replace
the valve housing only if the wall is stepped.
21.
22.
23. Check for wear, burrs and other damage to the
edges of the grooves in the sleeve.
NOTE: The pinion shaft and sleeve are a precision
matched set. lf either the pinion shalt or sleeve
must be replaced, replace the both parts as a set.
SLEEVE SEAL RINGSCheck for peel off ordamage.
24. Remove the circlip and
pinion shaft,
pinion shaft sleeve from the
(cont'd)

Power Steering Gearbox
Disassembly (cont'd)
25. Using a cutter or an equivalent tool, cut and remove
the four seal rings from the sleeve.
CAUTION: 86 caroful not to damage the edgos of
the 3leeve grooves whon removing the scal rings
and O-ring.
Using I cutter or an equivalent tool, cut the valve
seal ring and O-ring at the groove the pinion shaft.
Remove the valve seal ring and O-ring.
CAUTION: 86 careful not to d.mago the sdges ol
lhe pinion shaft groove whgn removing the valvo
seal ring and O-ring.
SLEEVE
Cutting slot position.
17 -48
t"fRemove the valve oil seal and wave washer ring
from the pinion shaft.
NOTE:
. Inspect the ball besring by rotating the outer
race slowly. lf there is excessive play, replace the
pinion shaft and sleeve as an assembly.
. The pinion shaft and sleeve are a precise fit; do
not intermix old and new pinion shafts and
steeves.
VALVE OII- SEALReplace.
Press the valve oil seal and bushing out of the valve
housing using a hydraulic press and special tool
shown below.
ATTACHMENT, 23 x 25 mm
07NAD - SB3020A
VALVE OIL SEALReplace.
28.
BALL EEARING
BUSHING

ra
NOTE:
. Clean the disassembled parts with a solvent and dry them with compressed air. Do not dip the rubber parts in a sol-
venr,
. Always replace the O-rings and rubber seals with new ones before assembly,
. Apply 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 specialtools where necessary.
FLANGE BOLT20 N.m 12.0 kgf.m, 14 lbl.ftl
VALVE HOUSING
CYLINDER LINE B26 N.m 12.7 kgf.m, 20
VALVE OIL SEALReplace.
SLEEVE SEAL RINGSReplace.st"cEvE
VALVE SEALReplace.
WAVE WASHER
VALVC SEAL RINGReplace.
O-RINGReplace.
PINION SHAFT
RACK GUIDE SCREW
LOCKNUT \
cEARBoxHousrNc \b
SPRING
f,ACK GUIDE
BACKUP RING
Replace.
GEAR HOUSINGCYLINDER ENDReplace.
CYLINDER END SEALReplace.O.RINGReplace.
I
o0'
STEERING RACK
PISTON SEAL RINGReplace.
CYLINDER END69 N.m {7.0 kgtm,51 lbtftl
{cont'd}

Power Steering Gearbox
Reassembly (cont'dl
i
valv6 Body Reasrombly
1. Apply vinyl tape to the stepped portion of the pin-
ion shaft, and coat the surface of the vinyl tspe with
the power steering fluid.
Vinyl tlp€lst.ppcd ponionl
Groov€ side.
Install the wave washer,
Coat the inside surface of the new valve oil seal
with power steering fluid.
Slide the valve oil sesl over the pinion shaft, being
careful not to damage the sealing lip.
CAUTIONT ln3tall the v8lve oil 3eal whh itr groovod
side facing oppositc thc braring.
Fit the new O-ring in the groovo of the pinion shaft.
Then slide the new valve sesl ring over the shaft
and groove in on the pinion shaft.
Remove the vinyl tape from the pinion shaft.
NOTE: Do not over - expand the valve seal ring.
Sr.lino
E
lip
VALVE SEAL RINGReplace.Do not over-expand.
17-50
7. Apply power steering fluid to the surJace of the
valve seal ring that was installed on the pinion
shaft,
Apply power steering fluid to the inside of the spe-
cial tool, Set the larger diameter end of the special
tool over the valve seal ring.
Move the sDecial tool uo and down several times to
make the valve seal ring fit in the pinion shaft.
11.
(w(ffi \
Use the wider diameter Make th6 valve seal ringend of the special snugly fit in the pinion
tool first to make shaft using the other endthe valve seal ring (smaller diameter end) ofIit in the pinion the special tool.shalt.
Remove the special tool,
Turn the special tool over and set the smaller diam-
eter end of the special tool over the valve seal ring,
Move the special tool up and down several times to
make the vslve seal ring snugly fit in the pinion
shaft.

12.Apply power steering fluid to the surface of the spe-
cial tool. Set the new seal rings over the special tool
from the smaller diameter end of the tool, and
expand the seal rings. Do two rings at a time from
each end of the sleeve.
NOTE:
. Do not over-expand the seal ring. Install the resin
seal rings with care so as not to damage them.
After installation, be sure to contract the seal
rings using the specialtool (sizing tool).
. There are two types of sleeve seal rings: black
and brown. Oo not mix the different types of
sleeve seal rings as they are not compstible.
Align the special toolwith each groove in the sleeve.
and slide a sleeve seal ring into each groove.
NOTE: After installation, compress the seal rings
with your fingers temporarily.
BALL JOINT B(X)? CUP GUIDE07MAG - SLdrlrx,
Apply power steering fluid to the seal rings on the
sleeve and to the entire inside surface of the soecial
tool.
SLEEVE SEAL NINGSIZING TOOL0r9?a - sat02n0
Insert the sleeve into the special tool slowly.
Move the sleeve each direction several times to
make the seal rings snugly fit in the sleeve.
NOTE: Be sure that the seal ringsare notturned up.
13.
14.
to.
17-51
Cutout.
17.Apply power steering fluid to the surface of the pin-
ion shaft, assemble the sleeve over the pinion shaft
by aligning the locating pin on the inside of the
sleeve with the cutout in the shaft. Then install the
new circlip securely in the pinion shaft groove.
NOTE:
. Be careful not to damage the valve seal ring
when inserting the sleeve.
. Install the circlip with its radiused side facing in,
18. Installthe circlip securely in the pinion shaft groove.
Apply power steering fluid to the seal ring lip of the
valve oil seal. Then install the seal in the valve
housing using a hydraulic press and special tools as
snown.
CAUnON: Instsll tho valvo oil s€.| with its groovcs
side facing th. tool.
19.
ATTACHMET{T,32x35mm077i15 - (xll01lX,
VALVE OIL SEALReplace.Make sure thespring in theoilseal.
(cont'd)

Power Steering Gearbox
Reassembly (cont'dl
20. Press the bushing into the valve housing using a
hydraulic press and speciai tool as shown.
DRIVER07749 - U)l 0000
ATTACHMENT,32x35mmPress
I07746 - fi)l01(x)
sUSHING
21.Apply vinyl tape to the pinion shaft, then coat the
vinyl tape with power steering fluid.
I
i
I
VALVE OIL SEALReplace.
VALVE HOUSING
Vinyltape
PINION
E
SITEVE SEAL RINGSReplace.8e sure that theseal rings are notturned up, theninstall.
Insert the pinion shaft into the valve housing.
CAUTION: Be careful not to damage the valve seal
rings.
Remove the vinyl tape from the pinion shaft.
Seding lip lrce.
17-52
24. Press the pi.ion shafvsleeve into the valve housing
using a hydraulic press as shown.
NOTE: Check that the pinion shaft/sleeve turns
smoothly by turning the pinion shaft with your
hand.

Remove the vinyl tape from the steering rack, then
push in the cylinder end seal with your finger.
NOTE:
. Remove any resideue of tape adhesive.
. Take care not to damage the cylinder end seal
with the threads and burrs at the staked position
of the gearbox.
Install a puller yoke to the steering gearbox, then
clamp the puller yoke in a vise wjth soft jaws as
shown.
PULLER YOKEI{Commcrci.lly .vailablelSn.p-On@ T/N c.r123-1oTc€ T/N 7372or equivalent
Grease the inside surface of the cylinder end. then
install the cylinder end by screwing it into the cylin
der,
After tightening the cylinder end, stake the point of
the cylinder housing shown below.
NOTE: Stake in the cylinder in the position opposite
from where the stake was removed during disas-
semory.
Stake point. Dopth: 1.0 mm (0.04 inl
4.0 mm (0.16 inl
CYLINOER END
46.
\
47.
49.
coat the new o-ring with grease and install it in the
groove in the gearbox housing.
Apply grease to the needle bearing in the gearbox
ho using.
Install the valve body unit on the gearbox housing
by engaging the gears. Tighten the flange bolts to
the specified torque.
NOTE: Note the valve body unit installation posi-
tion (direction of pipe connection).
VALVE BODY UNIT
(cont'd)
O.RINGReplace.
-611
NEEDLE AEARING
-Grl
17-55