main fi HONDA CIVIC 1998 6.G Workshop Manual

Inspection
a Clearance Measurement
NOTE: Lubricate all parts with ATF during assembly.
1, Remove the mainshaft bearing from the transmis-
sion housing (see Page 14-1741.
2. Assemble ths parts below on the mainshaft.
NOTE: Do not assemble the O-rings during inspec-
tlon.
LOCKNUTCONICAL SPRIIIG WASHER
SNAP RING
lST CLUTCH ASSEMBLY
TXRUST WASHER
1ST GEAR COLLAR
TRA SMISSIONHOUSII{G BEARING
THRUST WASHER
4TI{ GEAR COLLAR
2ND/4TH CLUTCHASSEMBLY
THRUST WASHER36.5 x 55 mmSelective part.
THBUST NEEDLEBEARING
2ND GEAR
AEABII{G
IHRUST NEEDLEBEARING
MAINSHAFT
3. Torque the mainshaft locknut to 29 N'm (3.0 kgf'm,
22 tbt,ftl.
NOTE: Mainshaft locknut has left-hand threads.
29 N'm t3.0 kgl'm, 22 lbt'ft)
Hold 2nd gear against the 2nd clutch' then measure
the clearance between 2nd gear and 3rd gear with a
feeler gauge.
NOTE: Take measurements in at least three places,
and use the av€rage as the actual clearance'
STANDARD: 0.05 - 0.13 mm 10.002 - 0.005 in)
THRUST WASHER,36.5 x 55 mm
(cont'd)
1+149

Mainshaft
Inspection (cont'd)
5.lf the clearance is out of tolerance, remove thethrust washer and measure the thickness.
THRUST WASHER
6. Select and install a new washer, then recheck.
THRUST WASHER 36.5 x 55 mm
After replacing the thrust washer, make sure theclearance is within tolerance.
7.
No.Part NumberThickness
190441 - P4P - 0104.00 mm (0.157 in)
90442-P4P-0104.05 mm (0.159 in)
90443-P4P-0104.10 mm (0.'161 in)
490444-P4P-0104.15 mm (0.163 in)
90445-P4P-0104.20 mm (0.165 in)
90446-P4P-0104.25 mm (0.167 in)
790447-P4P-0104.30 mm (0.169 in)
890448-P4P-0104.35 mm (0.171 in)
90449-P4P-0104.40 mm (0.173 in)
1090450-P4P-0004.45 mm (0.175 in)
b
14-150

Torque Converter Housing Bearings
Mainshaft Bearing/Oil Seal Replacement
1.Remove the mainshaft bearing and oil seal using
the special tools as shown.
3/8"16 SLIOE HAMMER
ADJUSTAELE BEARINGPULLER, 25 - ilo mm07736 - A01000a
L
14-172
2. Drive in the new mainshaft bearing until it bottomsin the housing using the special tools as shown.
DRIVER077€ - 0010000
lnstall the new oil seal flush with the housing using
the special tools as shown.
DBIVER07749 - 0o l0(xt0
ATTACHMENT,72x75 mfi07746 - 001 0600

Transmission Housing Bearings
L
Mainshaft/Countershaft Bearings Replacement
To remove the mainshaft and countershaft bearings
from the transmission housing, expand each snap
ring with snap ring pliers, then push the bearing out
using the special tools and a press as shown.
NOTE: Do not remove the snap rings unless it's
necessary to clean the grooves in the housing.
DRIVER07749 - 0010000
ATTACHMENT,62x68mm
PRESS
\
07746 -
DFIVEB07749 - 0010000
TTACHMENT
ATTACHMENT
. Mainshaft Bearing Installation us€:
ATTACHMENT. 72 x 75 mm
07746 - 0010600. Countershaft Bearing Installation use:
ATTACHMENT, 62 x 68 mm
077/16 - 0010500
IRN{L{r.)n
\bZ
MAINSHAFT BEARING
L
14-174
SNAP RING
Expand each snap ring with snap ring pliers, insert
the new bearing part-way into the housing using
the special tools and a press as shown, Install thebearing with the groove facing outside the housing.
NOTE: Coat all parts with ATF.
Release the pliers, then push the bearing down intothe housing until the ring snaps in place around it.
07749 - 0010000
ATTACHMENT
. Mainshaft Bearing Removal use:
ATTACHMENT, 72 x 75 mm
077/16 - 0010600. Counte6haft Bsaring Removal use:
ATTACHMENT, 62 x 68 mm
07746 - 0010500
After installing the bearing verify the following:
. The snap ring is seated in the bearing and hous-
ing grooves.
. The ring end gap is correct.
(0 - 0.28 in)ENDGAP:0-7mm

Transmission
Reasembly
NOTE;
. Coat all parts with ATF.. Beplace the following parts:- O-rings- Lock washers- Gaskets- Mainshaft and countershaft locknuts and conical spring washers- Sealing washers
TOROUE: l2 N.m (1.2 ksf'm,8.7 lbf.ft)
6 x 'l.0 mm7 BoltsFEED PIPE: A
LOCK.UP VALVEBODY
LOCK.UP SEPARATORPLATE
REGULATOR VALVEBODY
DOWEL PINS. 2
6xl.0mm1 BoltATF STRAINERATF FEEDPIPES:
a
COOIER RELIEF VALVE
TOROUE CONVENIERCHECK VALVESTATOR SHAFT
O.RING
STOP SHAFT
ATF FEEO PIPE: H
5x1.0mm5 Bolts
DOWEL PINS.
MAIN VALVE BODY
ATF PUMP
SERVO SEPARATORPLAYE
6x1.0mm7 Bolts
SERVO BODY
SECONOARYSEPARATOR PLATE
CONTROL
GEAR SHAFT
ATF PUMP DFIVENGEAR
MAIN SEPARATORPLATE
DOWEL PINS,
/ SHAFI
' -
7r(
t'se - oo ^od"t"t
lli
triTOROUE CONVERTERHOUSING
NOTE: The illustration shows the'96 - 98 modsls, the'99 - 00 models do not have the servo detent base; the servodetent is integralwith the servo bodv.
14-176
L-

1.Install the ATF magnet and suction pipe collar in the
torque converter housing. if necessary.
lnstall the main seDarator plate and the two dowel
pins on the torque converter housang.
Install the ATF pump drive gear, ATF pump driven
gear and ATF pump driven gear shaft on the torque
converter housing.
NOTE; Install the ATF pump driven gear with its
grooved and chamfered side tacing down.
ATF PUMP
ATF PUMP DRIVENGEAR SHAFT
ATF PUMPDRIVEN GEAR
Grooved and chamferedside taces separalorplate.MAIN SEPARATORPLATE
4.Loosely install the main valve body with five bolts.
Make sure the ATF pump drive gear rotates smoothly
in the normal operating direction and the ATF pump
driven gear shaft moves smoothly in the axial and
normal operating directions.
Install the secondary valve body, separator plate
and two dowel pins on the main valve body.
NOTE: Do not installthe bolts.
6. Install the control shaft in the housing with the con-
trol shaft and manual valve together.
7. lnstall the detent arm and arm shaft in the main
valve body, then hook the detent arm spring to the
detent arm,
SERVO SEPARATOR PLATE
DETENT
MANUAL VALVE
DETENT ARM SPRING
15.
14-177
a
10.
11.
Install the servo body and separator plate on the
secondary valve body ('95 - 98 models: seven bolts.'99 - 00 models: eight boltsl.
For '96 - 98 models: Install the servo detent base
and the ATF strainer (two boltsl.
For'99 - 00 models: Install the ATF strainer (one
bolt).
Tighten the five bolts on the main valve body to 12
N.m ('1.2 kgf.m,8.7 lbf.ft).
Make sure the ATF pump drive gear and ATF pump
driven gear shaft move smoothlY'
lf the ATF pump drive gsar and ATF pump driven
gear shaft do not move freely, loosen ths five bolts
on the main valve body, and disassemble the valve
bodies.
Realign the ATF pump driven gear shaft and reassem-
ble the valve bodies, then retighten the bolts to the
specified torque,
CAUTION: Fsilule to align tho ATF pump driven
goar shaft corr.ctly will rscuh in a s€ized ATF pump
drive goar or ATF pump d ven gear shaft.
Install the stator shaft and stop shaft.
Install the bolts and the shaft stop on the secondary
valve body, then tighten the bolts (three boltsl.
Install the torque converter check valve, cooler relief
valve and valve springs in the regulator valve body.
then install the regulator valve body on the main
valve bodv (one bolt).
Install the lock-up valve body on the regulator valve
bodv (seven bolts).
Install the ATF feed pipes in the main valve bodY,
the three ATF feed pipes in the secondary valve and
the four ATF feed pipes in the servo body. (cont'dl
12.
't 3.
14.
PUMP

Transmission
_\,]ffil
Reassembly (cont'd)
TRANSMISSIONHANGER
MAINSHAFTSUB.ASSEMBLY
*''
Ufln
$*U ./
TRANSMISSION HOUSINGMOUNTING BOLTS10 x 1.25 mm4{ N.m {4.5 kg{.m,33 lbI.ft)
TRANSMISSION HOUSING
REVERSE GEARCOLLAR
REVERSE GEAR
LOCK WASHER
SHIFT FORK
MAINSHAFT SPEEDSENSOR WASHER(D16Y7 engine)
MAINSHAFT
COUNTERSHAFTSUB.ASSEMBLY
OIFFER€NTIALASSEMBLY
SPEED
TRANSMISSIONHOUSING GASKET
TOROUE CONVERTERHOUSING
14-178

17.
18.
19.
lnstall the reverse idler gear and the gear shaft
holder (see page 14-175).
lnstall the differential assembly in the torque con-
verter housing.
Assemble the mainshaft sub-assembly and the
countershaft sub-assembly, then install them
together in the torque converter houslng
MAINSHAFTSUB-ASSEMBLY
20,
COUNTERSHAFTSUB.ASSEMBLY
Turn the shift fork so the large chamfered hole is
tacing the fork bolt hole, then install the shift fork
with the reverse selector, and tighten the lock bolt'
Bend the lock tab against the bolt head
SHIFT FORK
LOCK WASHERReplace.
6 x 1.0 mm4 N.m('l.4 kgl'm, 1O lbt'ft)
Large chamtered hole
21.
22.
lnstall the needle bearing, countershaft reverse gear
and reverse gear collar on the countershaft.
Align the spring pin on the control shaft with the
transmission housing groove by turning the control
shaft.
CONTROL SHAFT
Install the two dowel pins and a new gasket on the
torque converter housing.
Place the transmission housing on the torque con-
verter housing.
CAUTION: Make sure that lhe mainshaft speed
sensor is not installed on the transmission housing
before installing the transmission housing on the
torque conv€rter housing.
lnstall the transmission housing mounting bolts
along with the transmission hanger, then tighten
the bolts in two or more steps in the sequence as
shown.
TOROUE: ,l,t N'm l{.5 kgf'm, 33 lbf'ft}
TRANSMISSIONHANGER
24.
o
(cont'di
SPRING PIN
14-179

Transmission
26. Slip the special tool onto the mainshaft as shown,
MAINSHAFT HOLDER07GAB - PF50101
Installthe park lever on the control shaft.
Assemble the one-way clutch and the park gearwith the countershaft lst gear (see page l4-1S5).
Install the countershaft lst gear collar. needle bear_ing, and the countershaft 1st gearlpark gear assembly
Reassembly (cont'dl
on the countershaft.
lSTCLUTCH PARKASSEMBLY GEAR
27.
28.
29.
30.Install the park pawl shaft, spring, pawl, and pawlstop on the transmission housing, then engage thepark pawlwith the park gear.
14-180
31. Install the mainshaft 1st gear collar on the main_shaft.
32. Wrap the shaft splines with tape to prevent the O-rings, then install new O-rings on the mainshaft,
33. Assemble the thrust washer, thrust needle bearing,needle bearing, and mainshaft ?st gear in the lstclutch assembly, then install them on the mainshaft.
34. Install new conical spring washers and locknuts oneach shaft.
CAUTION: Install the conical spring washers in thedirection shown.
MAINSHAFTLOCKNUTLeft hand threads
CONICAL SPRING WASHERSinstall in this direction.
35. Tighten the locknuts to the specified torque.
NOTE:
. Do not use an impact wrench. Alwavs use atorque w.ench to tighten the locknut.. Mainshaft and countershaft locknuts have left_hand threads.
TOROUE:
MAINSHAFT 78 N.m (8.0 kgf.m, 58 tbf.ft)COUNTERSHAFT t03 N.m 1r0.5 kgf.m, 75.9 tbt.ftl

36. Remove the special tool from mainshaft, then stake
each locknut using a 3.5 mm punch as shown'
COUNTERSHAFTLOCKNUT
Set the park lever in the El position, then verify that
the park Pawl engages the Park gear
lf the Dawl does not engage fully, check the park
pawl stop clearance (see page 14-175).
Tighten the lock boll and bend the lock tab'
10 tbl.ftl
a'f
38.
ao
LOCKWASHEF
0.7 - 1.2 mm(0.03 - 0.05 in)
Erl.Omm14 t{.m (1.4 kgf'm,
\.- (o)
40. Instsllthe end cover with two dowel pinsandanew
gasket (thirteen bolts)'
TOROUE: 12 N'm (1.2 tgf'm. 8.7 lbf'ft}
END COVER
lnstall the ATF cooler lines with new sealing wash-
9rs.
TOROUE: 28 N.m {2.9 kgf'm. 21 lbt'ft1
Install the ATF diPstick.
41.
14-181