1996 HONDA CIVIC one way clutch

I
3. 3rd Gear
As the soeed of the vehicle reaches the prescribed value, shift control solenoid valve B is turned OFF by means ol the
pCM. Shift control solenoid valve A remains ON. The modulator pressure (6) flows to the right end of the 1-2 shift
valve and the left end oJ the 2-3 shift valve. The 2-3 shift valve is moved to the right side by the modulator pressure
(68). The 2-3 shift valve covers the port to stop line pressure (5) to the 2nd clutch and uncovers to the 3-4 shift valve
as the 2-3 shift valve is moved to the right side. The line pressure (5) becomes the 3rd clutch pressure (30) at the 3-4
shift valve. The 3rd clutch pressure (30) is applied to the 3rd clutch, and the 3rd clutch is engaged'
Fluid flows by way of:- Line Dressure (4) * CPB Valve - Line Pressure (5) * 1-2 Shift Valve - Line Pressure (5) * 2-3 Shift Valve
- Line Pressure (5) * 3-4 Shift Valve - 3rd Clutch Pressure (30) - 3rd Clutch
The hvdraulic pressure also flows to the 1st clutch. However, no power is transmitted because of the one-way clutch
as in 2nd gear.
NOTE: When used, "|eft" or "right" indicates direction on the hydraulic circuit.
14-29

Description
Hydraulic Flow lcont'dl
4th Goar {E Position}
As the speed of the vehicle reaches the prescribed value, shift controlsolenoid valve A is turned OFF bymeans ofthePCM Shift control solenoid valve B remains oFF. The modulator pressure (6) flows to the left end of the t-2 shiftvalve and the left end of the 3-4 shift valve. The modulator pressure (64) in the left end of the 1-2 shift valve equalsthe modulator pressure {68) in the right end of the 1-2 shift valve, the 1-2 shift valve remains at left side by the ten-sion of the valve spring.
The 3-4 shift valve is moved to the right side by the modulator pressure (64). The 3_4 shift valve covers the port to the3rd clutch and uncovers the port to the 4th clutch as this valve is moved to the right side. The 4th clutch pressure (4.1)from the 3-4 shift valve becomes the 4th clutch pressure (40) at the manual valve. The 4th clutch pressure (401 isapplied to the 4th clutch, and the 4th clutch is engaged.
Fluid flows by way of:- Line pressure (4) * CPB Valve - Line Pressure (5) + 1-2 Shift Valve - Line pressure (5) * 2-3 Shift Valve- Line Pressure (5) - 3-4 Shift Valve - 4th Clutch pressure (41) + Manual Valve _ 4th Clutch pressure (40)* 4th Clutch
The hydraulic pressure also flows to the lst clutch. However, no power is transmitted because of the one-way crutchas in 2nd and 3rd gear.
NOTE: When used, "|eft" or "right,, indicates direction on the hydraulic circuit.
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14-30

The following symptoms can be caused
by improper repair or assembly
Check these items,on th€^ ltems on thePROBABLE CAUSE DUE TO NOTES ListIMPROPER REPAIR List
Vehicle creeps in N position.R1, R2
Vehicle does not move in &l or Pll position.R4
Transmission locks up in E position.R3, R11
Excessive drag in transmission.R6K,R
Excessive vibration, rpm related.R7
Noise with wheels moving onlY.R5
Main seal pops out.R8
Various shifting problems.R9, RlO
PROBABLE CAUSE DUE TO IMPROPER REPAIR
lmproper clutch clearance.
lmproper gear clearance.
Park lever installed upside down.
one-way {sprag) clutch installed upside down.
Reverse selector hub installed upside down.
ATF pump binding.
Torque converter not fully seated in ATF pump.
Main seal improperly installed.
Springs improperly installed.
Valves improperly installed.
Shift fork bolt not installed.
14-11

Stall Speed
Test
CAUTION:
. To prev€nt transmission damage, do not t6st stall speed for more than ro sgconds at a time.. Do not shift the levor while raising the engine speed.. Bo sule lo remove the pressure gauge betoro testing stall speed.
'1. Engage the parking brake, and block the front wheels.
2. Connect a tachometer to the engine, and start the engine.
3. Make sure the Ay'C switch is OFF.
4. After the engine has warmed up to normal operating temperature (the radiator fan comes on). shift into E position.
5. Fully depress the brake pedal and accelerator for 6 to g seconds, and note engine speed.
6. Allow two minutes for cooling, then repeat the test in @ and @ positions.
NOTE:
. Stall speed tests should be used for diagnostic purposes only,. Stall speed should be the same in o., E and E positions.
Stall Spsed RPM:
Specification: 2.700 rpm
Service Limit: 2,550 - 2,850 rDm
TROUBLEPROBABLE CAUSE
. Low fluid level or ATF pump outDur. Clogged ATF strainer. Pressure regulator valve sluck closeo. Slipping clutch
. Slippage of 4th ctutch
. Slippage of 2nd clutch
. Slippage of lst clut"tr or. t"t g""io*-*"y "lut"h
Stall rpm high in D., E and E positions
Stall rpm high in El position
Stall rpm high in E posirion
Stall rpm high in E position
Stall rpm low in LDa . El and E positrons. Engine output low. Torque converter one-way clutch slipping
14-116

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

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

Gountershaft
Inspection (cont'dl
3. Install the parts below on the countershaft sub-assembty, then torque the locknut to 29 N.m (3.0kql.m , 22 blf.ftt .
NOTE: Countershaft locknut has left hand threads.
(=)-----'
v
LOCKNUTLeft hand threads
CONICAL SPRINGWASHER
PARK GEAR/ONE.WAYCLUTCH/1ST GEARASSEMBLY
NEEOLE BEARING
.I ST GEAR COLLAR
TRANSMISSION HOUSINGBEARING
REVERSE GEARCOLLAR
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14-154
4. Measure the clearance between the 2nd gear andthe 28 mm distance collar with a feeler gauge.
NOTE: Take measurements in at least three places.and use the average as the actuar ctearance.
STANDAFD: 0.10 - 0.18 mm {0.004 - 0.002 inl
lf the clearance is out of tolerance. remove the 2gmm distance collar and measure the width.
Select and install a new distance collar, thenrecheck.
DISTANCE COLLAR, 28 mm
7. Afret selecting a new distance collar, recheck theclearance and make sure it is within tolerance.
OISTANCE COLLAR, 28 mm
No.Part Numb€rwidrh
190503-PCg-00039.00 mm (1.535 in)
290504-PCg-00039.10 mm { 1.539 in)
90505-PCg-00039.20 mm (1.543 in)
90507-PCg-00039.30 mm {1.547 in)
90508-PC9-00039.05 mm (1.537 in)
90509-PCg-00039.15 mm (1.541 in)
790510-PCg-00039.25 mm ( 1.545 in)
I90511-PCg-00038.90 mm (1.531 in)
90512-PCg-00038.95 mm (1.533 in)

One-way Clutch
Disassembly/lnspection/Reassembly
1. Separate countershaft 1st gear from the park gear
by turning the park gear in the direction shown
2. Remove the one-way clutch by prying it up with the
end of a screwdriver.
COUNTERSHAFT 1ST GEARONE-WAY CLUTCHNOTE: lnstall in this direction.
ONE'WAY CLUTCH
COUNTERSHAFT lST GEAR
COUNTERSHAFT lST GEAR
SCREWORIVER
14-155
3. Inspect the parts as followsl
PARK GEARInspecl the park gear
for wear and scorrng.
ONE-WAY CLUTCHInspect the one-way
clutch for damage and
laulty movement.
lST GEABInspect countershalt lst gear
for wear ancl scorlng.
After the parts are assembled, hold countershaft 1st
gear and turn the park gear in the direction shown
to be sure it turns freely. Also make sure the park
gear does not turn in the opposite direction.