Seat HONDA CIVIC 1999 6.G Repair Manual

Disassembly
CAUTION: The power steering components are made of aluminum. Avoid damaging the components during assembly.
NOTE:
. Ctean the disassembled parts with a solvent, and dry them with compressed air. Do not dip the rubber parts in a sol-
vent.
. Alwavs 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.
. Replace the pump as an assembly ifthe parts indicated with asterisk (*) are worn or damaged'
FLANGE BOLTS20 N.m {2.0 kgf.m,14 rbf ft)
5 mm ROLLER
4.5 mm ROLLER
*OUTER SIOE PLATE
*SUB-VALVE
.PUMP NOTOR
}SIDE PLATE
l,/SNAP RING13 x 1.9 mm O-RINGReplace.
15.2 x 2.4 mm O-RINGReplace.
INLET JOINT
51 x 2.4 mm O-RINGReplace.
FLANGE BOLTS11 N m 11.1 kgf.m,8 rbf.ftl
PUMP SEALReplace.
PUMP SEAL SPAC€R
.PUMP DRIVE SHAFT
BALL BEARINGlnspection and RePlacement,see page 17-43
10 mm CIRCLIP
*FLOW CONTROI- VALVEInspection and Overhaul,se[ pase tt.tz g
4 --{;'rX!;'seatuc/ $
mm O-RINGPULLEY NUT6il N.m {6.5 kgf.m,47 tbf.frlFI-OW CONTROL VALV€ CAP49 N.m {5.0 kgt m,36 rb{.ft)
(cont'd)
17-41
J

I
5, Submerge the valve in a container of power steer-
ing fluid or solvent. and blow in the hose. lf air bub-
bles leak through the valve at less than 98 kPa
(1.0 kgf/cm', 14.2 psi), repair it as follows.
, AIR PRESSURE
?
i-- POWER STEERTNGFLUID or SOLVENT
Hold the bottom end of the valve with a open end
wrench.
Unscrew the seat in the top end of the valve. and
remove any shims, the relief check ball. relief valve
and relief valve spring.
7.
l./
RELIEF CHECK BALL
1.,
SEAT9 N.m
{0.9 kgf'm, 6.5 lbt'ftl
RELIEF VALVESPRING
Clamp this end ina open end wrench,
8. Clean all the parts in solvent, dry them off, then
reassemble and retest the valve. lf the flow control
valve tests OK, reinstall it in the pump. lf the flow
control valve still leaks air, replace the pump as an
assembly. The flow control valve is not available
separatelY.
NOTE: 11 necessary, relief pressure is adjusted at
the factorv by adding shims under the check ball
seat. lf you found shims in your valve, be sure you
reinstall as many as You took out.
RELIEF VALVE
{W-*"'
FLOW CONTROL VALVE
17-43
Ball Bearing:
1. Inspect the ball bearing by rotating the outer race
slowly. lf any play or roughness is felt, replace the
ball bearing.
Remove and discard the ball bearing using a press
as snown.
Installthe new ball bearing using a press as shown.
Ball Boaring Rsplaccmont:
lnstallwith thered shielded sidefacing down.
NOTE: Support the inner race
with the tool securely.
BALL BEARING
Prcrt

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.

Front Suspension
Knuckle/Hub Replacement
CAUTION:
. Replaco tho salf-locking nuts after romoval.
. The vehiclo should be on tho ground bsfore any bohs or nuls connected to rubber mounb or bushings are tightened.. Torqu€ th€ castle nut to the lowor torque specification, ihen tighton it only far enough to align th€ slot whh the pin
hole. Do not align the nut by loosening.
NOTE:
. Use only genuine Honda wheel weights for aluminum wheels. Non-genuine wheel weights may corrode and damagethe aluminum wheels.
. On the aluminum wheels, remove the center cap from the inside of the wheel after removing the wheel,. Before installing the brake disc, clean the mating surfaces of the front hub and brake disc,. Before installing the wheel, clean the mating surfaces of the brake disc and wheel.o Wipe off the grease before tightening the nut at the ball joint.
CALIPER MOUNTING BOLT12 x 1.25 mm108 N.m {11.0 kgl.m, 80lbf.ft)
LOWER BALL JOINTInspect for faultymovement and wear.
CASTLE NUT10 r 1.25 mm39 - ia7 N.m (4.0 - 4.8 kgf.m, 29 - 35 lbf,ftl
COTTER PINReplace.
WHEEL BEARINGReplace.Replacement, page 18-14
CIRCLIP
SCREW5x0.8mm5 N.m {0.5 ksl.m, 4 lbf.ftlReplacement, page 18-16
SET RING
BALL JOINT BOOT
FRONT HUBCheck for damage andcracks.Replacement,page 18-10Check for deteriorationand damage.
CASTLE NUT12 x 1.25 mm49 - 59 N.m l5.O - 6.0 kg{.m. 36 - /(} lbf,ftl
SPINDI.T ]{UT22 r 1.5 mmlEl N.m {18.5 kgf.rn, 13{ lbl.ttlReplace.NOTE:. Before instelling the spindle nut. apply6n9ine oilto th6 seating surface ofthe nut.. Atter tightening, uso a drift to stake thespindle nut should6r against the driveshaft.
BRAKE DISCCheck for wear andrust.Replacement, page 18-11lnspection, section 19.
WHEEL NUT12 x 1.5 mm'108 N.m1r1.0 kgf.m, 8lt lbf.ft)
6 mm BRAKE DISC RETAINING SCREW9.8 N.m 11.0 kgf.m, 7 lbtft)
18-10

)
1.Loosen the wheel nuts slightlY.
Raise the front of the vehicle, and support it with safe-
ty stands in the proper locations (see section 1).
Remove the wheel nuts and wheel.3.
l)
WHEEL NUT'108 N.m
18'l N.m 118.5 kgf m, 134lblfti
Replace.NOTEI Before installing the spandle nut, apply
engine oil to the seating surface of the nut After
tightening, use a drift to stake the spindle nut
shoulder againsl the driveshaft
Raise the locking tab on the spindle nut, then remove
the nut.
Remove the brake hose mounting bolts.
BRAKE HOSE MOUNTING BOLT
I x 1.25 mm12 N.m (1,2 kgtm,8,7 lbf'ftl
6. Remove the caliper mounting bolts and hang the
caliper assembiy to one side
CAUTTON: To prevent accidental damage to the
caliper assembly or brake hoso' use a short piece of
wire to hang the caliPer tlom lhe undelcarriage.
{11 kgf m, 80 lbl.ft)
CALIPER MOUNTING BOLTS12 x 1.25 mm108 N.m {'11.0 kgtm, 80 lbt.ft)
7. Remove the 6 mm brake disc retaining screws.
8.
I x 1.25 mm BOLTS
Screw two 8 x 1.25 mm bolts into the disc to push it
away from the hub,
NOTE: Turn each bolt two turns at a tame to prevent
cocking the disc excessivelY.
Remove the brake disc from the knuckle.
Check the front hub for damage and cracks.
Remove the wheel sensor from the knuckle (for
vehicles with ABS).
NOTE: Do not disconnect the wheel sensor connec-
tor.
N.m
6 mm BRAKE OISCRETAINING SCREWS9.8 N.m t1.0 kgf.m, 7 lbf'ft)
{'1.0 kgf m,
7 tbf.ft)
10.
11.
MOUNTING
WHEEL
BOLTS9.8 N.m11.0 kgf,m, 7 lbf'ft)(cont'd)

\Reassembly
2.
't.
lr
Install the damper unit on a spring compressor.
Assemble the damper in reverse order of removal
except the damper mounting washer and self lock-
ing nut.
NOTE: Align the bottom of the damper spring and
spring lower seat as shown.
STRUTSPRING COMPRESSOR:
lcommercially availablelBRANICK@ T/N MST.58OA, T/N 7200,
or 6quival€nt
SPBING LOWER SEAT
Position the damper mounting base onto the
damper unit as shown.
Compress the damPer sPring.
Install the damper mounting rubber, damper mount-
ing washer, and a new 10 mm self-locking nut.
Hold the damper shaft. and tighten the 10 mm self-
locking nut.
SELF-LOCKING NUT10 x 1.25 mm29 N.m 13.0 kgf m, 22 lbf ft)
3.
4.
Replace.
DAMPERMOUNTING WASHER
(l-t
lnstallation
1. Loosely install the damper onto the frame with the
aligning tab facing inside. then loosely install the
two flange nuts.
FLANGE NUTS10 x 1 ,25 mm49 N.m (5.0 kgt'm, 36 lbf'ftl
DAMPER ASSEMBLY
{cont'd)
18-19

IHub Bearing Unit RePlacement
For vehicles with drum brakes.'99 2D Si and Si-B models
NOTE:
o Use only genuine Honda wheel weights for aluminum wheels Non-genuine wheel weights may corrode and damage
the aluminum wheels.
.onthea|uminumwhee|s,removethecentercapfromtheinsideoftheWhee|afterremovingthewhee|'
. Before insta||ing the brake disc (or brake drum), c|ean the mating surfaces of the rear hub and the brake disc (or brake
orum,.
. Before installing the wheel, clean the mating surfaces ofthe brake disc(or brake drum) andwheel'
*1:
*2'.
12 6 mm FLANGE BOLT
9.8 N.m {1.0 kgf m, 7 lbf'ft|
*2 SPLASH GUAROCheck for crackingand damage.
SPINDLE WASTIER
SPINDLE NUT
22 x 1.5 mm181 N,m (18.5 kgt'm. 134lbfft)
Replace.NOTE:' Before installing the spindle nut, apply
engine oil to the seating surface of the
nut,' After tightening, use a drift Punchto lock the spindle nut shoulder into
TRAILING ARMCheck for crackingand oamage,
lr
the spindle.
HUB CAPBeplace.12 BRAKE DISCCheck for wear and
rust,'2 6 mm BRAKE DISC RETAINING SCREW
9.8 N'm 11.0 kgt m, 7 lbf'ft|
)
*1 BACKING PLATE
/\*1 BRAKE SHOE
r1 FLANGE BOLT10 x 1.25 mm6,0 N.m (6.5 ksl.m,47 lbl'ftl
REAB
'1 BRAKE ORUM
HUB UNIT BEARING
Check for crackingand damage.
WHEEL NUT12 x 1.5 mm108 N.m {11.0 kgt'm.80lbt'ft)
(cont'd)
1A-23
l-t

Rear Suspension
Hub Bearing Unit Replacement (cont'dl
NOTE: Disc type {'99 2D Si and Si-R modets)
1. Loosen the wheel nuts slightly.
2. Raise the rear of vehicle, and support it with safetystands in the proper locations {see section 1).
3. Remove the wheel nuts and rear wheel.
4. Pull the parking brake lever up.
5. Remove the hub cap.
6. Raise the locking tab on the spindle nut, thenremove the nut. SPINDLE NUT22 x 1.5 mrn181 N.m (18.5 kgf'm, 134lbf.fi)Replace.NOT€:. Eefore installing the spindle nut,apply engine oil to the seatingsurface of the nut.. After tightening, use a drift tostake the spindle nut shoulderagainst the spindle.
lFor vehictes \\with drum brakes;/
WHEEL NUT12 x 1.5 mm108 N.m
I I 1 kgt m, 80 lbf.ftl
HUB CAPReplace-NOTE: Take care not to damage the hub untton disassembly.
Remove the 6 mm brake disc retaining screws.7.
6 mm BRAKE DISCRETAINING SCBEWS9.8 N.m 11.0 kgl.m, 7 lbf.frl
1A-24
8.
9.
Release the parking brake lever.
Remove the brake drum, hub unit bearing, andspindle washer lfor vehicles with drum brakes).
BRAKE DRUM
SPINDI-E WASHER
10. Remove the 6 mm flange bolts and caliper shield.
CALIPER SHIELOCheck for bending and damage.
6 mm FLANGE BOLTS9.8 N.m {1.0 kgf.m, 7 lbf,ft)

Rear Damper
Disassembly/lnspection (cont'dl
SELF-LOCK|NG NUT - el10 x 1.25 mm v
29 N.m {3.0 kst'm, 22 lbf.ftlReplace.
DAMPEBMOUNTINGWASHER
DAMPER MOUNTING8U8BERCheck tordeteriorationano oamage.
DAMPERCOLLAR
DAMPERMOUNTING BASE
OAMPER MOUNTING
DAMPER SPRINGCheck lor weakness,compression, and damage.
SPRING MOUNTINGRUBBERCheck for deteriorationano oamage.
BUMP STOPCheck for weaknessand damage,
BUBBESCheck fordeteriorationano oamage.
OUST COVER PLATE
DUST COVERCheck lor bending
DUST COVER BOOTCheck for deteriorationand damage.
18-2A
OAMPER UNITReplace. :
Reassembly
1.Install the damper unit onto a spring compressor.
NOTE: Followthe manufacturer's instructions.
Assemble the rear damper in the reverse order ofdisassembly except the damper mounting washer
and self-locking nut.
NOTE: Align the bottom of the damper spring andspring lower seat as shown.
Position the damper mounting base onto thedamoer unit as shown.
SIRUT SPRING COMPRESSOR:
DAMpERMOUNTTNG (Commerciattyavaitabtel
BRANICKO T/N MST-580A, T/N 7200.or cquivalont
Compress the damper spring with the spring com-pressor.
Install the damper mounting washer, and looselyinstall a new self-locking nut.
Hold the damper shaft with a hex wrench, and tight-en the self-locking nut.
SELF-LOCKING NUTDAMPER10 x 1,25 mm29 N m 13.0 kgt.m, 22 lbtftlMOUNTINGWASHER

10. lnstall the special tool onto the spring cover, and
turn the shaft until the locknut contacts the plate.
Check that the flared end of the spring cover is below
the circlip groove.
Install the circlip into the groove. then remove the
special tool.
NOTE: Check that the circlip is seated in the groove
properly.
11.
12.
CIRCLIP
t.t
SPRING COVER
13. Coat a new piston seal with recommended silicone
grease in the caliper seal set, and install it in the cali-
per.
PISTON BOOTReplace. RUBBER GREASE
Apply recommended rubber grease in the caliper
seal set to the sealing lips and inside of a new pis-
ton boot, and install it in the caliper.
Coat the outside of the piston with brake fluid, and
install it onto the adjusting bolt while rotating it
clockwise with the tool.
CAUTION: Avoid damaging the piston and piston
boot.
PISTON SEALReplace.
-6l
14.
PISTON
(cont'd)
19-33