1997 HONDA CIVIC For

Steering Gearbox
Removal {cont'dl
Loosen the 14 mm flare nut and disconnect the feed
line.
Loosen the adjustable hose clamp and disconnect
the return hose.
Loosen the 16 mm flare nut and remove the return
hose joint trom the valve body unit.
CAUTION: After disconnecting lhe hos6 and lin6.
plug or seal the hose and line with a pioca ol tapa
or equivalent to prevenl foreign matorials trom
entsring the valve body unit.
NOTE: Do not loosen the cvlinder line A and
between the valve body unit and cylinder.
ADJUSTABLE HOSECLAMP
Remove the stiffener Dlate.
NOTE: Some stiffener plate attaching bolts are also
used as gearbox mounting bolts. The gearbox will
tilt to side when these bolts are removed.
13.
14.
t9.
16.
17-48,
17. Remove the mounting brackets.
Pull the steering gearbox all the way down to clear
the pinion shaft from the bulkhead. then remove the
pinion shaft grommet.
Move the steering gesrbox to right so the left rack
end clears the rear beam, then tilt the left side down
to remove it from the vehicle,
CAUTION: Be careful not io bend or damage the
fagd ling and cylindsr lin99 whgn rgmoving thg
ggarbox,
18.
STEERING GEANEOX

)
Disassembly
t)
Steering Rack DisassemblY
NOTE:
r Before disassemble the gearbox, wash it off with sol
vent and a brush.
. Do not dip seals and O-rings in solvent.
1. Remove the steering gearbox (see page 17-47]..
2. Remove the tie-rod end and locknut.
3. Remove air tube and cliPs.
Remove the boot bands and tie-rod clips Pull the
boots away from the ends of the gearbox.
BOOT
(|-,TIE.ROD CLIP
Hold the steering rack with a wrench ('98 -'00 mod-
els: left end only), and unscrew the rack end with
another wrench.
CAUTION: Be caroful not to damage the rack 3ur-
faco whh the wrench.
NOTE: '96 -'97 models is shown.
STEERING RACK END
STEERING RACK
Loosen the locknut, then remove the rack guide
screw and O-ring ('96 -'97 models only)
Remove the spring and the rack guide from the gear
housing.
7.
{cont'd}
17 -49
LOCK WASHER

Steering Gearbox
Disassembly (cont'd)
8. Remove cylinder lines A and B from the gearbox.
CYLINDER LINE gCYLINOCR LINE A
Drain the fluid from the cylinder fittings by slowly
moving the steering rack back and forth,
Remove the two flange bolts, then remove the valve
body unit from the gearbox. (See page 17-52 forvalve body unit disassembly.)
VALVE BOOY UNITFLANGE BOLT
10.
'96 - '97 mod.ls:32 mm SHIMS98 - '00 modok:WAVE WASHER
17-50
13. Loosen and remove the cvlinder end.
11. Drill a 3 mm (0.12 in) diameter hole approximatety
2.5 - 3.0 mm (0.10 - 0.12 in) in depth in the stakedpoint on the cylinder.
cAunoN:
o Do nol allow metal shavings to onter the cylin.
der housing.
. After romoying iha cylinder end, remova any
bur6 at the staksd point.
Dcpthi 2,5 - 3.0 mm {0.10 - 0.12 in}
CYUNDER
12. Hold the steering
snown.
gearbox using a C-clamp as

Steering Gearbox
Disassembly (cont'dl
22. Carelully pry the piston seal ring and O-ring off theprslon rack.
CAUTION| Be caletul not to damage the inside ofseal ring groove and piston edges when removing
the seal rin9,
Replace.
17-52
Valve Body Unii Disassembly
23. Eefore removing the valve housing, apply vinyl tapeto splines of the pinion shaft.
24. Separate the valve housing from the pinion shaft/
valve using a press.
VALVE HOUSING
Vinylt.pe
PINION SHAFT
Check the inner wall of the valve housing where theseal ring slides with your finger. lf there is a step inthe wall, the valve housing is worn. Replace thevalve housing.
NOTE:
There may be the sliding marks from the sealring on the wall of the valve housing. Replace
the valve housing only if the wall is stepped.When the valve housing is replaced, jnstall new
shim(s) on the bearing surface of the housing toadjust the thickness.
Check the inside of valve housingwhether the wall is stepped.

I
l./
26. 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 shaft or sleeve
must be replaced, replace both parts as a set'
SLEEVE SEAL RINGS
Check for Peel off or
damage.
27. Remove the circliP and Pi
pinion shaft.
nion shaft sleeve from the
1.,
-r t rt . 28. Using a cutter or an equivalent tool, cut and remove
the lour seal rings from the sleeve'
CAUTION: Be careful not to damage the edges of
the slgevs grooves and outer surface whsn lemov-
ing the seal rings.
29.Using a cutter or an equivalent tool, cut the valve
seal iing and O-ring at the groove the pinion shaft'
Remove the valve seal ring and O-ring'
CAUTION: Be careful not to damage the edges oI
the pinion shaft gloove and outer surface when
removing the valve seal ling and O-ring'
VALVE SEAL RING
Replace.
(cont'd)
SLEEVE
Cutting slot Posrtlon.

)Reassembly
NOTE:
. clean the disassembled parts wrth 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+ndicated in the assembly procedures'
o Do not a||ow dust, dirt, or other foreign materials to enter the power steering system.
a Use the appropriate special tools where necessary'
FLANGE BOLTS20 N.m (2.0 kgt'm, 14lbf ftl
CYLINDER LINE B
VALVE HOUSINGFLARE NUTS
28 N.m (2.7 ksf m,20 lbf ftl
VALVE OIL SEAL
Replace.
CYLINDER END SEAL
Replace.
f itllTllli".",'r'o,.n,ft
''*^'*-1$*€-/s6-,,mode,3:
EUSHINGReplace 'P'\-- BEARING
SLEEVE SEAL RINGS ..-------...... SS
.----
",a"a,,
*---
--,
Replace. lss-, Replace.
Xll,Y5"l'.
"o. --r...- gY------..r.u,
,-f-..-S: _ ,96 _,9? models:
--€l€--------=- ircriip'ii.rt'-l./BACKUPReplace.
I,
wAvE wAsHER d
-.-.-r_ i"pru"".
CYLINDER HOUSING // -\-
, AJ - O.RING
/ ,S-'..- ReDtace.
_ j GEAR HouslNG l.g --'\-
\- t F
tonsrnrr
.,_- s
- 'oo ,,iod"t., -s-'--------- vALvE SEAL R'NG
S_.<---,tj- 97 models onlY:
CYLINDER END SEAL
)@OOD m n"prac".
/'\N,."._nrNG I '98 - 'oo - RACK GUIDE
models:
:scREw I
O.RINGReplace..98 - '00 models:
CYLINDER END69 N.m {?.0 kgt'm,51 lbl'ft)
(cont'd)
17-55
CYLINDER LINE A
tJ

)
Steering Rack Reassembly
25. Coat the piston seal ring guide with power steering
fluid, then slide it onto the rack, big end first'
26. Position the new O-ring and new piston seal rlng on
the special tool, then slide them down toward the
big end of the tool
NOTE:
. Do not over expand the resin seal rings lnstali
the resin ;eal rings with care so as not to dam-
age them. After installation, be sure to contract
the seal ring using the specialtool (sizing tool)
. Replace the piston's O-ring and seal ring as a set'
27. Pull the O-ring off into the piston groove, then pull
the piston seal ring off into the piston groove on top
ol the O-ring
PISTON SEAL RINGGUIDE07GAG - SD4O10A ol
07GAG - SD,ol(xt
Coat the piston seal ring and the inside of the spe-
cial toolwith power steering fluid.
Carefully slide the tool onto the rack and over the
piston seal ring.
Move the special tool back and forth several times
to make the piston seal ring fit snugly in the piston'
PISTONReplace.
E
PISTON
31. Wrap vinyl tape around the rack teeth and rack end
edges, then coat the surface of the tape with the
power steering fluid
NOTE: Make sure that the vinyl tape is wrapped
carefully so that there is no stepped portion
Coat the inside surface of the new cylinder end seal
with power steering fluid.
Install the cylinder end seal onto the steering rack
with its grooved side toward the piston.
CAUTION: When installing the cylinder end seal,
be caieful not damage the sealing lip face of tho
seal with the edgss or teeth of th€ ste€ring rack'
CYLINDER END SEAL
Make sure thesPring is in the cylinder
end soal
Remove the vinyl tape from the steering rack
NOTE: Remove any residue oftape adhesive(cont'dl
17-59

Steering Gearbox
Reassembly {cont'd)
35. Install the new backup ring on the steering rack,then place the cylinder end seal to piston.
Grease the steering rack teeth, then Insen the steer-ing .ack into the gear housing.
CAUTION: Be careful not to damage to inner sur-face of the cylindsr housing with the rack edges.
36.
BACKUP RING
17-60
37. Install the flange bolt into the end of the steerinorack until it bottoms in the hole, then back thlflange bolt out 1/4 turn. Hold the flange bolt andtighten the flange nut against the rack by hand.
38. Install the cylinder end seal into the bottom of thecylinder by pressing on the bolt with a press asshown.
CAUTION: Do not push on the boh with excessiveforce as it may damage tho cylinder end seal.
12 x 175 mm FLANGE BOLT{P/N 90177 - SLo - 000}
12 mm FLANGE NUT
?qRemove the flange bolt. and center the steeringrack.
Wrap vinyl tape around the rack end edges. andcoat the surface of the tape with the power steeringfluid.
NOTE: Make sure that the vinyl tape rs wrappedcarefully so that there is no stepped portion.
Preas