Page 1105 of 2189
)
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
Page 1106 of 2189
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
Page 1107 of 2189

t
t5.
16.
14. Assemble a 12 x 1.25 mm flange nut onto a 12 x 175
mm grade 10 flange bolt as shown.
NOTE: Wrap the tlange portion of the bolt with
vinyl tape to protect the cylinder.
12,mm FLANGE
BOLT12 mm FLANGE NUTVINYL TAPG {p/N 90i77 - SLo - 000}
Install the flange bolt into the end of the steering
rack until it bottoms in the hole, then back the
flange bolt out 'll4 turn. Hold the flange bolt, and
tighten the flange nut against the rack by hand.
Install the bearing separator on the gearbox housing
a5 snown.
FLANGE BOLT
BEARING SEPARATOR0 - 1112" I
lCommercially availablo)
STEERING RACK
CYLINDER END SEAL
Set the gearbox in a press so the gear housing point
upward, then press the cylinder end seal and steer-
ing rack out of the gearbox
NOTE: Hold the steering rack to keep it from falling
when pressed clear.
CAUTION:
. Be carsful not damage to inn6l surface ot the
cylinder housing with the flange bolt.
. Do not place your lingers under th€ ste€ring
rack.
t./
17.
12 x 175 mm Ptess
1.,
the spe-
srcle.
securely
Replace. J__--'- ,----)t'| ,-----'" ,-,-'-'| fiN ----'
| .Wl'----
I
t
-'4a
| ^--.'--4
A ooY----- \
Q) * srerhtnc nact
20. lnsert a 24" long,3E" drive extension and
cial tool into the cylinder from the gearbox
NOTE: Make sure that the special tool is
positioned on the backup ring edges'
18, Remove the 12 mm bolt and nut from the steering
rack,
19. Remove the cylinder end seal from the steering
racK.
CYLINDER HOUSING
CAUTION: Be caroful not damago to inner surfaco
of the cylinder housing with the specisl tool'
21. Set the gearbox in a press, then press out the cYlin-
der end seal and backup ring from the gearbox,
GAUTION:
. Keep the tool sttaight to avoid damaging the cylin'
der wall. Check th€ tool angls, and corr€st it if nec-
€ssary, whon rsmoving the cylinder snd seal.
. Uss a pross to removs tho cylinder end seal. Do
not try to removo ths seal by striking the tool h
will br€ak the backup ring. and the cylinder snd
s€al will lemain in tho gearbox.
BACKUP RING
CYLINDER END SEAL
CYLINDER END SEALREMOVER ATTACHMENT07NAD - SR3020A
(cont'd)
17-51
Pross
Page 1108 of 2189
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.
Page 1109 of 2189
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.
Page 1110 of 2189
Steering Gearbox
Disassembly (cont'd)
30. Bemove the valve oil seal and backup ring {'96 -'97
models) or wave washer ('98 -'00 models) from theoinion shaft.
NOTE:
. Inspect the ball bearing by rotating the outer race
slowly. lf there is any excessive play, replace thepinion 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.
'98 - '(x) mod.lr:WAVE WASHERReplace.
31.Press the valve oil seal and roller bearing {'96 -,97
modelsl or bushing ('98 -'00 modelsl out of thevalve housing using a hydraulic press and specialtool shown below.
NOTE: Do not use a hammer; it will damage the
specialtool.
'96 - '97 modob:
PILOT COLLAR07GAF - PH70100
VAI.VE OIL SEALReplace.
BOI.I"ER BEARINGReplace.
PILOT COLLAR07GAF - PHtoroo
VALVE OII. SEALReplace.
BUSHINGBeplace.
BALL BEARING
'96 - '00 mod.b:
17-54
Page 1111 of 2189

)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
Page 1112 of 2189

Steering Gearbox
Reassembly (cont'd)
Valve Body Unit Reassembly
1. Apply vinyl tape to the stepped portion of the pin-
ion shaft, and coat the surface of the vinyl taoe with
the power steering fluid.
2. Install the backup ring ('96 -'97 models) or wavewasher ('98 -'00 models) with its tapered side as
shown below.
3. Coat the inside surface of the new valve oil sealwith power steering fluid.
4. Slide the valve oil seal over the pinion shaft, being
careful not to damage the sealing lip.
Vinyl t.po{Stepped ponion}
Tap6red position.
BACKUPGroove side.
sure the spring isseatod in the oil seal.
'98 - '00 mod.b:
CAUTION: InstEll ihe valve oil seal whh its groov.d
3ide tacing opposite tho boaring.
Apply vinyl tape to the splines and stepped portion
of the shaft, and coat the surface of the vinyl tapewith the power steering fluid.
Fit the new O-ring in the groove of the pinion shaft.Then slide the new valve seal ring over the shaft
and the groove in on the pinion shaft.
Remove the vinyl tape from the pinion shaft,
'96 - '97 models:
lip
7.
VALVE SEAL RIiIGReplace.Do not over-expand.
17-56
8. Apply power steering fluid to the surface of the
valve seal ring that was installed on the pinion
shaft.
9. Apply power steering fluid to the inside of the spe-cial tool. Set the larger diameter end of the specialtool over the valve seal ring.
10. Move the special tool up and down several times tomake the valve seal ring fit in the pinion shaft.11, Remove the soecial tool.
12. 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 tomake the valve seal ring fit snugly in the pinion
shaft.
PISTON SEAL BINGSIZING TOOL07NAG - SR:togoAol07NAG - SR3|X)00
(g(m
Use the larger diameterend of the specialtool first to makethe valve seal ringfit in the pinionshaft.
Make the valve seal ringfit snugly in the pinionshaft using the other end(smaller diameter end) ofthe specialtool.