valve cover HONDA INTEGRA 1994 4.G Owner's Manual

In E position in 2nd, 3rd and 4th, and @ position in 3rd, pressurized fluid is drained from the back of the torque con-
verter through an oil passage, causing the lock-up piston to be held against the torque converter cover. As this takes
place, the mainshaft rotates at the same speed as the engine crankshaft. Together with hydraulic control, the TCM op-
timized the timing ot the lock-up system. Under certain conditions, the lock-up clutch is applied during deceleration, in
3rd and 4th sDeed.
The lock-up system controls the range of lock-up according to lock-up control solenoid valves A and B, and throttle valve B.
When lock-up control solenoid valves A and B activate. modulator pressure changes. Lock-up control solenoid valves
A and B are mounted on the torque converter housing, and are controlled by the TCM.
NOTE:
When used, "left" or " tight" indicates direction on the tlowchart.
LOCK IJP COIITBOL
Solenoid valve
L""f."p "."aiti""\B
Lock-up OFFOFFOFF
Lock-up, slightONOFF
Lock-up, halfONON
Lock-up. fullONON
Lock-up
during decelerationONDuty operation
OFF -ON
LOCI( UP TIMII{G B VAIVE
{cont'd)
ott coot€R
14-39

NOTES
A.See flushing procedure, page l4-168 and 169.
B.Set idle rpm in gear to specitied idle speed. lf still no good, adiust motor mounts as outlined in engine
section of service manual.
lf the large clutch piston O-ring is broken, inspect the piston groove for rough machining.
lf the clutch pack is seized or is excessively worn, inspect the other clutches Jor wear, and check the
orifice control valves and throttle valves for free movement.
E.It throttle valve B is stuck, inspect the clutches for wear.
lf the 1-2 shift valve is stuck closed, the transmission will not upshift. lI stuck open, the transmission
has no lst gear.
H.lf the 2-3 orifice control valve is stuck, inspect the 2nd and 3rd clutch packs for wear.
ll the orifice cont.ol valve is stuck, inspect the 3rd and 4th clutch packs for wear.
lf the clutch Dressure control valve is stuck closed, the transmission will not shilt out of 1st gear.
K.improper alignment or main valve body and torque converter housing may cause oil pump seizure. The
symptoms ale mostly an rpm-related ticking noise or a high-pitched squeak.
L.ll the ATF strainer is ctogged with panicles of steel or aluminum, inspect the oil pump and ditferential
pinion shaft. lt both are OK and no cause lor the contamination is found, replace the torque converter.
M.lf the 1st clutch feedpipe guide in the right side cover is scored by the mainshaft, inspect the ball bear-
ing for excessive movement in the transmission housing. lf OK. replace the right side cover as it is dent-
ed. The O-ring under the guide is probably worn.
N.ReDlace the mainshstt if the bushing for the 4th feedpipe is loose or damaged.
It the 4th feedpipe is damaged or out ot tound, replace the right side cover'
Replace the subjshaft it thtbushing for the 1st-hold Jeedpipe is loose or damaged.
lf the 1st-hold feedpipe is damaged or out of round, replace it.
Replace the mainshaft if the bushing lor the 1st feedpipe is loose or damaged.
lf the lst feedpipe is damaged or out ot round, replace it.
o.A *o- r, da."s"d "p-g clutch is mostly a result of shifting the transmission in El or Lq! position
while the wheels rotate in reverse, such as rocking the car in snow.
P.InsDect the frame for collision damage.
o.Inspect for damage or wear:
1. Reverse selector gear teeth chamfers.
2. Engagement teeth chamters of countershaft 4th and reverse gear.
3. Shift fork for scutt marks in center.
4. Differential Dinion shaJt for wear under pinion gears.
5. Bottom of 3rd clutch for switl marks.
Replace items 1 , 2, 3 and 4 it worn or damaged. lf transmission makes clicking, grinding or.whirring
noise, atso replace mainshaft 4th gear and reverse idler gear and countershaft 4th gear in addition to
1,2,3ot4.lf ditiersntial Dinion shaft is worn, overhaul differential assembly, and replace ATF strainel, and thoroughly
clean transmission, tlush torque convertet, cooler and lines.
lf bottom of 3rd clutch is swirled and transmission makes gear noise, replace the countershaft and tinal
driven gear.
R.Be wry careful not to dsmage the torque converter housing when replacing the main ballbearing. You
may al;o damage the oil pump when you torque down the main valve body. This will result in oil pump
seizure it not detected. Use proper tools.
qInstall the main seal tlush with the torque converter housing, lf you push it into the torque converter
housing until it bottoms out. it will block the oil return passage and result in damage.
T,Harsh do\/vnshiJt"\./l,'hen coasting to a stop with zero th.ottle may be caused by a bent-in throttle valve
retainer/cam stopper. Throttle cable adjustment may clear this problem.
ifuitle cable adjustment is essential for proper operation of the transmission. Not only does it affect
the shift points if misad,usted, but also the shift quality and lock-up clutch operation'
A cable adjusted too long will result in throttle pressure being too low for the amount of engine torque
input into ihe trsnsmission and may cause clutch slippage. A cable adjusted too short will result in too
hi;h throttle pressure which may cause harsh shitts, erratic shrfts and torque con
14-89

Transmission
Removal
4.Bemove the t.ansmission ground cable from the
transmission hanger.
Disconnect the lock-uD control solenoid valve con-
nector and the shitt control solenoid valve connec-
tor, then remove the harness clamp on the lock-up
control solenoid harness from the harness stav.
a Make sur€ lifts. iacks and safety stands are placad
properly, and hoist brackots are attachod to tho cor-
rect position on ths sngine {seo sectionl }.o Apply parking brake and block rear wheels, so car will
not roll off stands and fall on you whil6 working un-
del it
CAUTION: Use tender covers to avoid damsging paint-
ed surlaces,
1 . Disconnect the battery negative { - } and positive ( + )
cables from the battery.
2. Remove the intake air duct and air cleaner housino
assembly.
HARNESS CLAMP
LOCK-UP CONTROLSOLENOID VALVECONNECTOR
AIR CLEAI{ERHOUSING ASSEMBLY
SHIFT CONTROLSOLENOID VALVECONNECTORTRANSMISSIONGROUND CABI-E
Disconnect the vehicle speed sensor (VSS), main-
shaft sDeed sensor and countershaft speed sensor
connectors.
3.Remove the starter motor cables and cable holder
from the starter motor.VEHICLE SPEEDSENSOR CONNECTOR
STARTER MOTOR CABLECABLE HOLDER
VEHICLE SPEEDSENSOR
COUNTERSHAFTSPEED SENSORCONNECTOR
MAINSHAFT SPEEDSENSORCONNECTOR (cont,d)
STARTER MOTOR?/\
STARTER MOTOR CABLE
4-99

OIL FEED PIPE
ACCUMULATOR COVER
O-RING Replace.
OIL FEED PIPE
OIL FEED PIPE
SERVO OETENT EASE
LOCN WASHER Feplace.
ATF STRAINER
SUCTION PIPE COLLAR
SERVO BOOY
THROTTLE CONTROL SHAFT
E RING
SERVO SEPARATOR PLATE
1ST ACCUMULATOR CHOKE
CHECK BALL
STOPPER SHAFT STAY
SECONDARY VALVE BODY
DOWEL PIN
SECONDARY SEPARATOR PLATE
LUBRICATOR PLATE
OIL FEED PIPE
LOCK.UP VALVE BODY
DOWEL PIN
LOCK-UP SEPARATOR PLATE
TOROUE CONVERTER CHECK VALVE SPRING
TOROUE CONVERTER CHECK VALVE
COOLER CHECK VALVE SPRING
COOLER CHECK VALVE
TOROUE SPECIFICATIONS
@ REGULAToR vALvE BoDY
@ STOPPER SHAFT
@ O-RING Reptace.
@ STATOR SHAFT
@ otl FEED PIPE
@ MAIN vALvE BoDY
@ CHECK EALL
@ DowEL PIN
@ oIL PUMP DRIVE GEAR
@ OIL PUMP DRIVEN GEAR SHAFT
Q9 OIL PUMP DRIVEN GEAR
@ MAIN SEPARAToR PLATE
@ DowEL PrN
@ coNTBoL sHAFT
@ DETENT SPRING
@ DETENT ARM SHAFT
@) DETENT ARM
@ ATF MAGNET
@ COUNTEBSHAFT TOROUE CONVERTER HOUSING
NEEDLE BEANING
@ oIL GUIDE PLATE
@ TOROUE CONVERTER HoUSING
@) MAINSHAFT TOROUE CONVERTER HOUSING BEARING
@ oll SEAL Reptace.
@ LocK-up coNTRoL soLENotD vALvE A/B
@ coNNECTOR STAY
@ LOCK-UP CONTROL SOLENOTD VALVE A/B
FILTER/GASKET Replace.
ReI No.Torque ValueBolt SizeRemarks
12 N.m (1 .2 kgf.m, 8.7 lbf.ft)6 x 1.O mm
14-109

Torque Gonverter Housing/Valve Body
Removal
\LOCK-UP VALVE llB.DY\u
Bolts, 7
DOWEL PIN
otLFEEDPIPES
A
Ll
ll|i
|]V
OII- FEED PIPES
LOCK-UP SEPARATORPI.ATE
TOR COVER
OIL FEEO PIPE
8oll3.3
ATF STRAINER
SERVO DETENTBASEREGULATOR VALVEAODY
OIL FEED PIPES
DOWEL PIN
OIL PUMP DRIVEN GEAR SHAFT
OIL PUMP DRIVEN
SECONDARY VALVEBODY
DOWEL PIN
SECONDARY SEPARATORPLATE
SUCTION PIPECOLLAR
MAIN S€PARATORPLATE
ft-- rrr urcler
TOROUE CONVERTERHOUSING
8olts, 4 Boll
MAIII VALVEBODY
14-114

NOTE:
a Clean all parts thoroughly in solvent or carbuetor
cleaner and dry with compressed air.a Blow out all passages.
a When removing the valve body replace the following:. O-rings. Lock wsshers
1 . Remove the oil feed pipes from the servo body, s€r-
vo detent base, accumulatof cover, lock-uD valve
body and main valve body.
2, Remove the three bolts securing the ATF strainer and
servo detent base, then remove them.
3. Remove the three bolts securing the accumulator
cover. then remove the accumulator cover.
4. Remove the six bolts secu.ing the servo body, then
remove the servo body and separator plate.
5. Remove the bolt securing the secondary valve body,
then remove the secondary valve body and separa-
tor plate.
6. Remove the eight bolts securing the lubricator plate
and lock-up valve body, then remove the lubricatorplate, lock-up valve body and separator plate.
7. Femove the bolt securing the.egulator valve body,
then.emove the regulator valve body.
8. Remove the stator shaft and stopper shaft.
9. Remove the detent spring t,om the detent arm. thenremove the control shaft from the torque convenerhousing.
1O. Remove the detent arm and detent afm shaft t.om
the main valve bodv.
1 1 . Remove the four bolts secu.ing the main valve body,then remove the main valve body.
12. Remove the oil pump driven gear shaft, then remove
the oil pump gears.
'13. Remove the main separator plate with two dowelDtns.
14, Remove and clean the ATF magnet.
15.Clean the inlet opsning of the ATF strainer thorough-
ly with compressed air, then check that it is in good
condition, and the inlet opening is not clogged.
II{LET OPENING
Replace the ATF strainer it it is clogged or damaged.
NOTE: The ATF strainer can be reused if it is notclo9ged.
16.
14-115

Transmission
NOTE:
a Coat all parts with ATF.a Replace the parts below:. O-rings. Lock washers. Gaskets. Locknuts. Conical spring washers. Sealing washers
TOROUE: 12 N.m (1.2 kgt.m, 8.7 tbf.fr)
LOCK-UP VALVEEODY
OOWEL PINS, 2
COOLER CHECK VALVE
Reassembly
Bolts,4
DOWEL PINS. 2
MAIN VALVE
OIL FEED PIPE
/ LUBRTcAToR
, PLATE
fln /
| / /""n
v{*' e'f _\
_! 1.-...-]]
-. :-,.
OOWEL PINS, 2
orLFEEDPIPES
OIL FEED PIPES
ACCUMULATOB COVER
OIL FEED PIPE
Bolts,3
e
"o't
CONTROL
E SHAFT
LOCK WASHER
SERVO DETENTBASE
REGULATOR VALVEBODY
OIL FEED PIPES
SERVO BODY
SERVO SEPARATORPLATE
EoDY | . "1-
OIL PUMP DRIVEN
GEAR SHAFT
OIL PUMP DRIVEN GEAR
MAIN S€PARATORPLATE
SECONDARY VALVEBODY
DOWEL PINS, 2
SECONDARY SEPARATORPLATE
vaLVE spRtNGS \_(< \
ToRou E coN vE RTE n \-\.--CHECK VALVE ----.-. --'r -
Bolt
14-156
ATF MAGNET

2.
1.Install the ATF magnet and suction pipe collar in the
torque converter nousrng.
Install the main separator plate with two dowel pins
on the torque converter housing. Then install the oil
pump drive gear, driven gear and driven gear shalt.
NOTE| Install the oil pump driven gear with its
grooved and chamtered side facing down.
OIL PUMPDRIVE GEAR
OIL PUMPORIVEN GEAR
Grooved and chamferedside faces separatorplate.
J.Loosely install the main valve body with Iour bolts.
Make sure the oil pump drive gear rotates smoothly
in the normal operating direction and the oil pump
driven gear shaft moves smoothly in the axial and
normal operating directaons.
Install the secondary valve body, separator plate and
two dowel pins on the main valve body.
Installthe control shaft in the housing, with the con-
trol shatt and manual valve togelher.
Install the detent arm and arm shatt in the main valve
body, then hook the detent spring to the detent arm.
SERVO SEPARATOR PLATE
--- 8ixli"'
6.
36
DETENTSHAFT
DETENT ARM
MANUAL VALVE
DETENI SPRING
17. Install the oil feed pipes.
14-157
E'.:
7. Install the servo body and separator plate with six
bolts.
8. lnstall the accumulator cover with three bolts
9. lnstall the servo detent base and ATF strainer with
three bolts and new lock washers.
10. Tighten the four bolts to 12 N.m (1.2 kgf'm, 8.7
lbf.ft) on the main valve body.
Make sure the oil pump drive gear and oil pump
driven gear shaft move smoothly same as in the step
11. lf the oil pump drive gear and oil pump driven gear
shaft do not move freelY. loosen the four bolts on
the main valve body and disassemble the valve
bodies.
Realign the oil pump driven gear shaft and reassem-
ble the valve bodies, then retighten the bolts to the
specified torque,
CAUTION: Failure to align the oil pump d1iv6n gear
shaft corroctly will result in a seized oil pump drivo
geal of oil pump drivon gear shatt.
l\
(...l
=..N
L,1ffi#
j-*/:
OIL PUMPDRIVE GEABOIL PUMP OIL PUMPDRIVEN GEAR DRIVEN GEARSHAFT
12. Install the stator shaft and stopper shatt.
13. Install the stopper shatt stay on the secondary valve
body with the bolt.
14. Install the regulator valve body with the bolt.
1 5. Install the torque converter check valve, cooler check
valve and valve springs in the requlator valve body.
16. Install the lock-up valve body, separator plate, two
dowel pins and lubricator plate with the eight bolts.
(cont'dl

7.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 100 kPa
11.0 kgf/cm,, 14.2 psi), replace or repair it as follows.
AIR PRESSURE
i- POWER STEEBINGFLUID or SOLVENT
8, Hold the bottom end of th€ valve with a oDen end
wrencn.
9. Unscrew the seat in the top end of the valve, and
remove any shims, the relief check ball, relief valve
and relief valve spring,
REUEF VALVERELIEF CHECK BALL
sHrM(sllf us€d.SEAT13 N.m11.3 ks[.m, I lbf.tt]
Clampthis end ina vise with sott iaws.
FLOW CONTROL VALVE REUEFvALvESPBING
10. Clean all the parts in solvent, dry them off, then
reassemble and retest the valve. Sge page 17-43 for
f low control valve installation.
NOTE: lf necessary, relief pressure is adiusted at
the facto.y 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,
')4.
nlll
Pump Rotor Removal
CAUTION: Tho pump components are made ot alu-
minum. B€ car6ful not to damage them when servicing.
1. Remove the inlet joint and O-rjng.
13 x 1.9 mmO.RINGReplac€.
2. Remove the pump cover and O-ring.
PUMP COVER
58.5 x 1.5 mmO.RINGFeplace.
(cont'd)
17-37

Flow Gontrol Valve Installation
1. Apply steering grease (Honda P/N 08733 - B070E) to
new O-rings.
2. Coat the flow control valve with clean power steer-
ing fluid.
3. Install the flow control valve, spring and control
valve cover on the pump housing.
4. Tighten the three control cover bolts.
FLOW CONTROLVALVE
SPRING
E;W
11 N.m {1.1 kgl.m,8lbtftl
2
Pulley Installation
1. Hold the steering pump in a vise with soft jaws.
CAUTION: Be careful not to damago the pump
hou3ing with the laws ol th€ vise.
2. Install the pump pulley as shown. Then install the
pulley nut.
Hold the pulley with the special tool and tighten the
pulley nut.
PULLEY NUT6ir N.m (6.5 kgt.m,47 lbt tt)
Check that the pump turns smoothly by turning the
pulrey.
PULLEY NUT
PULLEY
17-43