Page 1052 of 2189

3. lnsert the inboard end of the driveshaft into the dif-
terential or intermediate shaft until the set ring
locks in the groove
NOTE: Clean the areas where the driveshaft contact
the transmission (differential) thoroughly with solvent
or carburetor cleaner, and dry with compressed air'
INBOARD JOINT
INBOARD JOINTReplace.
GROOVE
an
DIFFERENTIAL
lnstall the knuckie on the lower arm. then trghten
the castle nut and install a new cotter pin
NOTE: wipe off the grease before tightening the
nut at the ball ioint.
CAUTION:
. Be careful not to damago the ball ioint boot'
. Torque the castle nut to the lower torque sp€ci-
fication, thsn tighten it only far enough to align
the slot with th€ pin hol6. Do not align the nut
by loosening.
CASTLE NUT12 x 1 .25 mm
COTTER PINReplace.On reassemblY,bend the cotter pinJi$ - 59 N.m 15.0 - 6.0 kgl m,35 - 43 lbf ftl
16-19
5. lnstall the damper tork over the driveshaft and onto
the lower arm. Install the damper in the damper
fork so the aligning tab is aligned with the slot in
the damPer fork.
FLANGE BOLTl0 r 1.25 mmrit N.m t4.a kgf.m, 32 lbf.ft) AIIGN|NG TAB
1.
SELF-LOGKING NUT12 x 1.25 mm6,1N.m 16.5 kgi.m, a7 lbfftl
Replace.
Loosely install the flange bolts and the new self-
locking nut.
Apply oil to the seating surface of the new spindle
nut.
181 N m 118.5 kgt'm, 13il lbt'ftl
NOTE: Aftortightening, use a drift to
stake the spindle nut shoulder against the drivoshaft'
8. Install a new spindle nut, then tighten the nut'
9. Clean the mating surfaces ot the brake disc and the
wheel. then install the front wheel with the wheel
nuts.
10. Tighten the flange bolts and the new self-locking
nut with the vehicle's weight on the damper.
11. Refill the transmission with recommended fluid (see
section 13 or 14).'t2. Check the front wheel alignment and adjust if nec-
essary (see section 18),
FRONT WHEEL
SPINDLE NUT 22 x 1.5 mm
WHEEL NUT 12 x 1.5 mm108 N.m (11.0 kgl'm, g) lbl ftl
Page 1054 of 2189

Disassembly
Press the intermediate shaft out of the shaft bearing
using the special tools and a press as shown.
Remove the internal circliP
Press
I
SUPPORT BASEATTACHMENT07JAF - SH20400INTERNAL CIBCLIP
BEARING SUPPORT RING
Check for damage or distortion
6. Press the intermediate shaft bearing out ot the bear-
ing support using the special tools and a press as
shown.
HANOLE DRIVER
0?749 - 00' 10000
Press
I
DRIVER ATTACHMENT,12x47 mm07746 - 0010300FLOATING RUBBEB
DAMPERCheck for deterioration
and oamage.SUPPORT BASE
ATTACHMENT07JAF _ SH20it00
BEARING SUPPORT
Check for damage
I sErR'NG
A4 Reolace
VUOUTER SEALReplace.(cont'd)
ReassemblY
NOTE:
. clean the disassembted parts with solvent, and dry them thoroughly with compressed air' Do not wash the rubber
parts with solvent.
. Becareful not to da mage the metal ringson the intermediate shaftduring reassembly'
BEARING SUPPORT RINGDOWEL BOLTS10 x 1.25 mm39 N.m 14.0 kgf.m,29 lbIftl
EXTERNAL CIRCLIP
Pack the interiorof the outer seal.2.0-35s10.07-012oz)
INTERNAL CIRCLIP
INTERMEDTATE SHAFT BEARING
Replace,
INTERMEDIATE SHAFT RING
lJ
16-21
Page 1056 of 2189
lnstallation
1. lnsert the intermediate shaft assembly into the dif-
ferential.
CAUTION: Hold the intermodiate shaft horizontal
to prevent damag€ to the difterential oil seal'
NOTE: Clean the areas where the intermediate shaft
contacts the transmission (differential) thoroughly
with solvent or carburetor cleaner, and dry with com-
Dressed air,
2. Install the three dowel bolts, then tighten them'
DOWEL BOLTS10 x 1.25 mm39 N.m {i1.0 kgf'm, 29 lbf'ftl
lz
16-23
Page 1061 of 2189

Steering Gearbox
l.r
Rack Guide Adjustment
NOTE: Perform the rack guide adjustment with the
wheels in the straight ahead position.
1. Loosen the rack guide screw locknut with the spe-
cial tool, then loosen the rack guide screw.
LOCKNUT WRENCH, 40 mm07916 - SA5000r
Tighten the rack guide screw until it compresses the
spring and seats against the rack guide, then loosen
rt.
Retighten the rack guide screw to 4 N'm (0.4 kgf m,
2.9 lbf.ft), then back it off to specified angle.
Specilied Return Angle: 30' max.
Tighten the locknut while holding the rack guide
Check for tight or loose steering through the com-
plete turning travel.
Recheck steering effort (see page 17-4).
4.
RACK GUIDE SCREW
l,z
Removal
NOTE: Using solvent and a brush, to wash any oil and
dirt off the gearbox. Blow dry with compressed air.
1. Raise the front of vehicle, and support it on satety
stands in the proper locations (see section I ).
2. Remove the front wheels.
3. Remove the steering wheel (see page 17-35).
4. Remove the steering loint cover
Remove the steering joint lower bolt, and discon-
nect the steering joint by moving the joint toward
the column.
(cont'd)
17-5
STEERING JOINT COVER
LOWER BOLT
STEERING JOINT
Page 1065 of 2189
Reassembly
NOTE:
. Clean the disassembled parts with solvent, and dry them with compressed air. Do not dip the rubber parts in solvent.
. Alwavs replace the non reuseable parts with new ones before assembly
. Do not allow dust, dirt, or other foreign materials to enter the steering gearbox.
-6,1
PINION OUST SEALReplace.RACK ENO BUSHING
\
^lr
r@
-6i
GEARBOX MOUNTING CUSHIONS
V."^pR,NG,3smm
tr
a/
^$'q0
")*o''o"'"'*
DISC WASHER
RACK GUIDE
(cont'd)
17-9
tJ
Page 1066 of 2189

Steering Gearbox
Reassembly (cont'dl
LApply a thin coat of grease to the inside surface of
the rack end bushing.
Grease quantity: 1 - 3 S 10.04-0.1 ozl
CAUTION: Do not till the slots with greas€; th€y
must remain open to serve as air passages,
Install the rack end bushing by aligning the round
projection on the bushing with the hole in the cylin-
der housing
4.
Grease the steering rack teeth.
Install the steering rack into the cylinder housing
carefully to avoid damaging the rack end bushing.
CYLINDER HOUSING
17-10
11. Adjust the rack guide screw (see page 17-5).
Drive in the steering pinion in the gear housing with
the soecial tools.
ORIVER.22 mm l.D.o7716-qr20100SNAP RING, 35 mm
PINION DUSTSEALReplace.
Vinyltape
STEERINGPINION
7.
Install the 35 mm snap ring securely in the gear
housing groove.
Apply vinyl tape to the pinion shaft, then coat the
vinyltape with grease.
Install the pinion dust seal on the gear housing until
it seats properly, then remove the tape.
Grease the sliding surface of the rack guide, and
install it on to the gear housing.
Install the spring, disc washer and rack guide screw
on the gear housing.
NOTE: Install the disc washer with its convex side
facing in.
LOCKNUT
SPRING RACK GUTDE
RACK GUIOE SCREW
10.
Dtsc w,
a(-\
l1 *l
\, ,/
\
Page 1077 of 2189

Pressure Control
Low assist at higher speeds:
WhensteeringresistanceIsIow,suchaswhendrivingathighspeeds,orwhendrivingstraightahead,theinputshaftis
near or in the neutral position, so there is little or no fiow ro any of the power cylinder orifices. Most oI the feed pressure
fromthepumpisbypassedtothereservoir.Becauseofthis,thepressurestaysthesameinbothsidesofthepowercy||n-
der, resulting in low or no asslst
VALVE From PUMP
SECTION A-A
RETURN PASSAGElTo RESERVOIRI
POWER CYLINDER
STEERING GEARBOX
High assist at lower speeds:
When steering resistance is high. such as when driving at low speeds' or when turning the wheel wirh the vehicle
stopped,thedifference|nang|ecreatedbetweentheinputshaftandtheVa|veopensthef|uidpassageononeside,and
c|osesthefluidpassageontheotherside,ateachpairoforifices'Thef|uidpressureincreasesinthesideo|thepower
cy|inder|edbythe|argerf|uidpassage'Thisincreasedpressurepushesontherackpiston,a|lowingthesteeringwhee|to
be turned with light effort. on the other side of the power cylinder, the return passage opens allowing the steering tluid to
returnthroUghtheinputshafttothereservoir'Thef|uidpassagestothepowercy|inderautomatica||ychangeins|ze,
increasing as the steering resrstance increases. In other words, the passages become larger and power assist increases
when the steering effort would normally be high, (for example' when parking or making low speed turns)' and the pas-
sagesbecomesma||erandpowerassistdecreaseswhenthesteeringeffortwou|dnorma||ybe|ow,(forexamp|e,when
driving at high speeds or straight ahead).
FLUIO PASSAGE TO
POWER CYLINDER
/t=\\a!-4,))
=YjJ
RESERVOIR
SECTION A-A
l'
{High fluid Pressure}
Page 1078 of 2189

Troubleshooting
General Troubleshooting
Check the following before you begin:. Has the suspension been modified in a way that would affect steering?. Are tire sizes, tire variety and air pressure correct?. lsthe steering wheel original equipment or equivalent?. lsthe powersteering pump belt properlyadiusted?
. ls steeringfluid reservoirfilledto proper level?. ls the engine idle speed correct and steady?
Hard Steering (Check the powor assist. se€ page 17-3o. lfthe torce is over 29 N (3.0 kgf, 6.6lbo, Procede with this troubleshootinq.)
Abnormallluid pressure
{fluid pressureis too high)
Faulty valve body unit
Relief pres-sure too low
Abnormal
Faulty llow control valve(Replace the pump es anassembly)
Ch€ck the feed snd return circuit lin€s ano nosebetw6€n the gearbox and pump for clogging andd€lormation.
Normal line and hose
Check the pump fluid pressure(soe page 17-34).l/easure steady-state tluid pres-s!re while idling with the bothvalves tully open.It should be 1.500 kPa (15 kgf/cmr,213 psi) or below.
Normal
Check th€ flow control vslve (see page 17-42).. Chock the valvo lor smooth movement in the hous-ing.. Check the reliefvalve for leaks.
Check the pump fluid pressure
{see page 17-34).Measure pump relief pressurewhile idling with the pressure con-trol valve Iully closed.It should be 6,400 - 7,400 kPa (65 -
75 kgflcm,,920 - 1,070 psi)
Normal relisf pressure
17-22
Go to page 17-23Faulty pump assembly