1998 HONDA CIVIC mainshaft

6. Remove the transmission housing mounting bolts
and the rear engine mounting bolt.
Disconnect the shift control solenoid, the linear sole-
noid, and the mainshaft speed sensor connectors'7.
SHIFT CONTROLSOLENOID CONNECTORLINEAR SOLENOIDCONNECTOR
MOUNTING BOLTS
BRACKET
8. Remove the drain plug, and drain the automatic
transmission fluid (ATF). Reinstall the drain plug
with a new sealing washer.
DRAIN PLUG18 x 1.5 mm'9 N m t5 o kgf'm' 36 lbf'ft|
9. Remove the splash shield.
Replace.
SPLASH SHIELD
{cont'd)
14-123

O ROLLER
O COLLAR
O o-RING Replace.
@ FEED PIPE FLANGE
@ O-RING Replace.
@ SNAP RING
€) 3RD CLUTCH FEED PIPE
€) COUNTERSHAFT LOCKNUT (FLANGE NUT)
23 x 1.25 mm Replace.
o coNlcAL SPRING WASHER Replace.
@ PARK GEAR
@ ONE.WAY CLUTCH
@ COUNTERSHAFT lST GEAR
@ NEEDLE BEARING
@ COUNTERSHAFT lST GEAR COLLAR
@ o-RlNGs Replace.
@ END covER GASKET Replace.
E) DOWEL PINS
@ PARK PAWL STOP
@ LocK WASHER Replace.
@ PARK STOP Selective part
€D PARK LEVER
@ PARK LEVER SPRING
€D DRAIN PLUG
€) SEALING WASHER Replace
@ o-RING Replace.
@ COUNTERSHAFT SPEED SENSOR
@) PARK PAWL
@ PARK PAWL SPRING
@ PARK PAWL SHAFT
@ LINEAR SOLENOID ASSEMBLY
@ LINEAR SOLENOID GASKET REPIACE.
@) END COVER
@ lsT CLUTCH FEED PIPE
@ O-RINGS Replace.
@ FEED PIPE FLANGE
C) SNAP BING
@ MAINSHAFT LOCKNUT (FLANGE NUTI 21 x 1 25 mm
Replace.
@ CONICAL SPRING WASHER RePlace
@) lST CLUTCH ASSEMBLY
@ o-RlNGs Replace.
€) THRUST WASHER
@) THRUST NEEDLE BEARING
@ NEEDLE BEARING
@ MAINSHAFT lST GEAR
@ MAINSHAFT lST GEAR COLLAR
@) ATF COOLER LINE
@ SEAUNG WASHERS Replace.
@ LINE BOLT
@ ATF DIFSTICK
@ ATF COOLER LINE
@ UNE BOLT
@ SEALING WASHERS Replace.
@ VEHICTT SPEED SENSOR
@ O-RING Replace.
TOROUE SPECIFICATIONS
Bolt/Nut No.Torque ValueSizeRemarks
6B
8F
12A.'l8D
2'tM
23C
'12 N'm (1.2 kgim,8.7 lbift)
14 N.m (1.4 kgf.m, 10 lbf'ft)
22 N.m (2.2 kgf.m, 16 lbf'ft)
28 N.m (2.9 kgf.m, 21 lbf'ft)
49 N.m (5.0 kgf.m, 36 lbf'ft)
78 N.m (8.0 kgf'm, 58 lbf'ft)
103 N.m {10.5 kgf'm,75.9 lbift)
6x1.0mm
6x1.0mm
8 x 1,25 mm
12 x 1.25 mm
18 x 1.5 mm
21 x 1.25 mm
23 x 1.25 mm
Line bolt
Drain plug
Mainshatt locknut: Left-hand threads
Countershaft locknut:
Left-hand threads
14-127

O LocK WASHER Replace,
O REVERSE SHIFT FORK
O COUNTERSHAFT REVERSE GEAR COLLAR
G) COUNTERSHAFT REVERSE GEAR
@ NEEDLE BEARING
@ REVERSE SELECTOR
O REVERSE SELECTOR HUB
@ COUNTERSHAFT 4TH GEAR
O NEEDLE BEARING
@ DISTANCE GOLLAR, 28 mm Selective part
O COUNTERSHAFT 2ND GEAR
@ THRUST NEEDIE BEARING
@ COUNTERSHAFT 3RD GEAR
@ NEEDLE BEARING
@ COUNTEBSHAFT 3RD GEAR COLLAR
@ THRUST NEEDLE BEAFING
O SPLINED WASHER
@ 3RD CLUTCH ASSEMBLY
@ O-RtNGs Replace.
@ COUNTERSHAFT
@ SNAP RING
@ THRUST WASHER
€) THRUST NEEDTE BEARING
@} MATNSHAFT 4TH GEAR/REVERSE GEAR
@i NEEDLE BEARINGS
@ THRUST NEEDLE EEARING
@) MAINSHAFT 4TH GEAR COLLAR
@ 2ND/4TH CLUTCH ASSEMBLY
@ o-RlNGs Replace.
@ THRUST WASHER,36.5 x 55 mm Sel€ctive part
@ THRUST NEEDLE BEARING
@ MAINSHAFT zND GEAR
@ NEEDLE BEARING
@ THRUST NEEDLE BEARING
@ MAINSHAFI
@ S€ALING RINGS, 35 mm
@ SEALING RING,29 mm
@} NEEDIE BEARING
@ SET RING
@ sHrFT CONTROL SOLENOID VALVE A/B ASSEMSLY
@ HARNESS CLAMP BRACKET
@ SHIFT COI,ITROL SOI"ENOID FILTER/GASKET Replace.
@ CONNECTOR BFACKET
@D TNANSMISSION HANGER
@ BREATHER CAP
@ MAINSHAFT SPEED SENSOR
@ MATNSHAFT SPEED SENSOR WASHER {Dl6Y' ongine}
@ O-RING Replace.
@ SNAP RING
@ MAINSHAFT TRANSMISSION HOUSING BEARING
@ OOUNIERSHAFT TRANSMISSION HOUSING BEARING
@ REVERSE IDLER GEAR SHAFT HOLDER ASSEMBLY
@ NEEDI.E BEARING
@ olL SEAL Replace.
@ SET RING, fll mm Selective part
@ rnANsMrssloN HouslNG
@ REVERSE IDI."ER GEAR
@ DowEL PINS
@ TRANSMISSION HOUSING GASKET Replace.
@ DIFFERENfIAL ASSEMBLY
@ OIL SEAL Replace.
@ TOROUE CONVERTER HOUSING
TOROUE SPECIFICANONS
Boh/Nut No.Torquo valueSizeRomarks
6B
10A
12 N.m {1.2 kgf.m,8.7 lbf.ft)
14 N.m (1.4 kgf'm, 10lbf'ft)
44 N.m (4.5 kgf.m, 33 lbf'ft)
6x1.0mm
6x1.0mm
10 x 1.25 mm
14-129

O ATF FEED PIPE
O ATF STRAINER
O SERVO BODY'99 - 00 models servo body has integrally molded
servo detent.
@ SERVO SEPARATOR PLATE
(' SECONDARY VALVE BODY
@ DOWEL P|NS
O SECONDARY SEPARATOR PLATE
@ SERVO DETENT BASE ('96 -'98 models)
O ATF FEED PIPES
(D ATF FEED PIPES
O SHAFT STOP
@ CONTROL SHAFT
€D DETENT ARM SPRING
@ DETENT ARM
(9 DETENT ARM SHAFT
@ FILTER Replace.
(? CHECK BALLS
@ TOROUE CONVERTER CHECK VALVE
@ TOROUE CONVERTER CHECK VALVE SPRING
@ DOWEL PINS
@ LOCK.UP VALVE BODY
@ LOCK-UP SEPARATOR PLATE
@ REGULATOR VALVE BODY
@} DOWEL PINS
@ COOLER RELIEF VALVE SPRING
@ COOLER RELIEF VALVE
@ O-RING Replace.
@ STATOR SHAFT
@ STOP SHAFT
@ ATF FEED PIPE
@ MAIN VALVE BODY
@ ATF PUMP DRIVEN GEAR SHAFT
@ ATF PUMP DRIVEN GEAR
@ DOWEL PINS
65) ATF PUMP DRIVE GEAR
@ MAIN SEPARATOR PLATE
@ SUCTION PIPE COLLAR
@ ATF MAGNET
@ COUNTERSHAFT TOROUE CONVERTER HOUSING
BEARING
@ ATF GUIDE PLATE
@ ToRoUE CONVERTER HOUSING
@ OIL SEAL Replace.
@ MAINSHAFT TOROUE CONVERTER HOUSING
BEARING
@) olL SEAL Replace.
@ LOCK-UP CONTROL SOLENOID FILTER/GASKET
Reolace.
@ LOCK-UP CONIROL SOLENOID VALVE A/B ASSEMELY
@ CONNECTOR BRACKET
TOROUE SPECIFICANONS
Bolt/Nut No.Torque ValugSiz€Remarkg
12 N.m (1.2 kgf.m,8.7 lbnft)6x1,0mm
14-131

End Cover
Removal
NOTE:
. Cleanall parts thoroughly in solvent or carburetor cleaner, and drywith compressed air,. Blow out all passages,
. When removing the right side cover, replace the following:- O-rings- Mainshaft and countershaft locknuts- Conical spring washgrs- End cover gasket
- Lock washer- Sealing washers
END COVER6 x 1.0 mm BOLT13 Bolts
PARK PAWL
PARK ITVER
LOCK WASHER
COUI{TERSI{AFTLINE AOLT
tST GEAF COLLAR
I
14-132
SEALING WASHERS

1.Remove the 13 bolts securing the end cover, then
remove the cover.
Slip the special tool onto the mainshaft as shown.
MAINSHAFT HOLOER
07GAB - PFs0101
Engage the park pawl with the park gear.
Cut the lock tabs of the mainshaft and countershaft
locknuts using a chisel as shown. then remove the
locknuts and conical spring washers
CAUTION: Keep all of lhe chiseled particles out of
the transmission.
NOTE:
. Mainshaft and countershaft locknuts have left-
hand threads.
. Always wear safety glasses.
4.
cHrs€L
LOCKNUT
LOCK TA8
5.
6.
11.
Remove the special tool from the mainshaft after
removing the locknuts.
Remove the 1st clutch and mainshaft 1st gear assem
bly and mainshaft 1st gear collar from the mainshaft.
7. Remove the park pawl. spring and shaft.
8. Remove the park lever from the control shaft.
9. Using a universal two-jaw puller, remove the park
gear, one way clutch and countershaft 1st gear
assemory.
PULLER(CommerciallY available)
PARK GEAR
10.Remove the needle bearing and the countershaft
1st gear collar from the countershaft
Remove the ATF cooler lines and ATF dipstick.
14-133

Transmission Housing
Removal
MAINSHAFT
TRANSMISSION HOUSINGMOUNTING BOLTS18 Bolts
TRANSMISSIONHANGERTRANSMISSION HOUSING
MAINSHAFTSUB.ASSEMBLY
SENSOR WASHERlD16Y7 engine)
MAINSHAFTSPEED SENSOR
TRANSMISSIONHOUSING GASKETDIFFEBENTIALASSEMBLY
TOROUE CONVERTERHOUSING
SUB.ASSEMBLY
L,
14-134

Mainshaft
Disassembly/lnspestion/Reassembly
NOTE:
. Lubricate all parts with ATF during reassembly..Inspectthethrustneedlebearingsandtheneedlebearingsforgallingandroughmovement,
. Before installing the O-rings, wrap the shaft splines with tape to prevent damaging the O_rings.. Locknut has left-hand threads.
LOCKNUT {FLANGE NUTI21 x 1.25 mm78 N.m (8.0 kgl.m,58 lbt.fttReplace.Left-hand threadsSNAP RINGCONICAL SPRING WASHERReolace.
lST CLUTCHASSEMBLYTHRUST WASHER
THRUST NEEOI.EBEARING
4TH GEAN
O-RINGSReplace.
THRUST WASHER
THRUST NEEDLEBEARING
MAINSHAFTCheck splines for excessivewear and oamage.Check bearing surtace for scoring,scratches and excessive wear.
BEARINGBEARINGS
THRUST NEEDLEBEABING
4TH GEAR COLLAR
2ND/4TH CLUTCHASSEMBLY
THRUST NEEDLEEEARING
2NO GEAB
NEEDLE BEABING
THRUST NEEDLEBEARING
1ST GEAR
1ST GEARCOLLAR
TRANSMISSIONHOUSING BEARING
O-RINGSReplace.
THRUST WASHER, 36.5 x 55 mmSelective part.
SEALING RINGS,35 mm
Install the sealing ringmating faces as shown,
RING,29 mm
NEEDLE BEARING
SET RING
14-148