drain bolt HONDA CR-V 1998 RD1-RD3 / 1.G User Guide

7. Remove the set ball screws, washers, springs, steel
balls. and back-uP light switch.
STEEL BALLD. 5/16 in
8. Remove the flange bolt. drain plug, and filler plug
DRAIN PLUG
WASHERReplace.
LIGHT SWITCH
FILLER PLUG
WASHERReplace.
FLANGE BOLT
9. Remove the transmission housing mounting bolts
in a crisscross pauern in several steps.
10. Remove the 32 mm sealing bolt
Expand the snap ring on the countershaft ball bear-
ing, and remove it from the groove using a pair of
snap ring plier.
Separate the transmission housing from the clutch
housing.
Remove the dowel pins, and wipe it clean of the
sealant.
'I t.
(cont'd)
13-15
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Transmission Assembly
Reassembly lcont'd)
18. Installtransmission hanger, then tighten the bolts in
a crisscross pattern in several steps as shown.
8 x 1.25 mm bolis: 27 N.m 12.8 kgf.m,20 lbf'ft}
TRANSMISSIONHANGER
19.Install flange bolt,
plug.
washers, drain plug. and filler
FILLER PLUG4,r N.m (a.5 kgl.m,33lbtftl
DRAIN PLUG39 N.m {4.0 kg{.m,29lbtftl
WASHERReplace.WASHER
13-70
20. Install the steel balls, springs. washers, set ball
screws, back-up light switch.
WASHERReplace.
STEEL BALLD,5/16 in
21. Installthe vehicle speed sensor (VSS).
VEHICI."E SPEED SENSOR
8 x 1.25 mm22 N.m 12.2 kgl.m, 16 lbt.ftl
SPRING L.26.1 mm 11.03 inl
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Description
General Operation
The Automatic transmission is a 3-element torque converter and triple-shaft electronically controlled unit which provides 4
speeds forward and 1 reverse speed The unit is positioned in line with the engine'
There are two tvoes of automatic transmission on CR-V; the four-wheel drive (4WD) model ('97 - 00)' and the front-wheel
drive (2WD) model ('98 - 00).
Toroue Converter, G€ars, and Clutches
The torque converter consists of a pump. turbine. and stator assembly in a single unit. The torque converter is connected to
the engine crankshatt. These parts turn together as a unit as the engine turns. Around the outside of the torque converter is
a ring gear which meshes with the starter pinion when the engine is started. The torque converter assembly serves as a fly-
wheel while transmitting power to the transmission mainshaft.
The transmission has three parallel shafts: the mainshaft. the countershaft, and the sub-shaft. The mainshaft is in line with
the engine crankshaft. The mainshaft includes the 1st, 2nd. and 4th clutches, and gears lor 3rd,2nd,4th. reverse and 1st
(3rd gear is integral with the mainshaft, while reverse gear is integral with the 4th gear). The countershaft includes the 3rd
clutch and gears for 3rd,2nd, 4th, reverse, 1st, and park. Reverse and 4th gears can be locked to the countershaft at its cen-
ter, providing 4th gear or reverse, depending on which way the selector is moved. The sub-shaft includes the lst-hold
clutch and gears for lst and 4th.
The gears on the mainshaft are in constant mesh with those on the countershaft and sub-shaft. When certain combinations
of gears are engaged by the ctutches, power is transmitted from the mainshaft to the countershaft to provide E, D!, tr, tr,
and E position ('97 - 98 models). and E. E, E, and E position ('99 - 00 models)'
Electlonic Control
The electronic controt system consists of the Powenrain Control Module (PCM), sensors, a linear solenoid, and four
solenoid valves. Shifting and lock-up are electronically controlled for comfortable driving under all conditions. The PCM is
located below the dashboard, under the kick panel on the passenger's side.
Hydraulic Control
The valve bodies include the main valve body, the secondary valve body, the regulator valve body, the servo body, and
the lock up valve body. They are bolted to the torque converter housing. The main valve body contains the manual valve,
the 1-2 shift valve, the 2nd orifice control valve. the CPB {Clutch Pressure Back-up) valve, the modulator valve, the servo
control valve. the relief valve, and ATF pump gears. The secondary valve body contains the 2-3 shift valve, the 3-4 shift
valve, the 3,4 orifice control valve. the 4th exhaust valve and the CPC (Clutch Pressure Control) valve. The regulator valve
bodv contains the pressure regulator valve, the torque converter check valve, the cooler relief valve, and the lock-up con-
trol valve. The servo body contains the servo valve which is integrated with the reverse shift tork, and the accumulators
The lock-up valve body contains the lock-up shift valve and the lock-up timing valve. The linear solenoid and the shift con-
trol solenoid valve Ay'B are bolted to the outside of the transmission housing, and the lock-up control solenoid valve Ay'B is
bolted to the outside of the torque converter housing. Fluid trom the regulator passes through the manual valve to the
various control valves. The clutches receive fluid from their respective feed pipes or internal hydraulic circuit
ShiftControl Mechanism
input from various sensors located throughout the vehicle determines which shift control solenoid valve the PCM will acti-
vate. Activating a shift control solenoid valve changes modulator pressure, causing a shift valve to move. This pressurizes
a line to one of the clutches. engaging that clutch and its corresponding gear. The shift control solenoid valves A and B are
controlled by the PCM.
Lock-up Mechanism
tn E! position (,97 - 98 modets) and in E position ('99 - O0 models), in 3rd and 4th, and in Del position in 3rd ('97 - 98
models) and in El position with Over,Drive (O/D) is OFF (by pressing rhe O/D switchl in 3rd ('99 - 00 models), pressurized
fluid is drained from the back of the torque converter through a fluid 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 PcM optimizes the timing of the lock-up mechanism The lock-up valves control the
range of lock-up according to lock-up control solenoid valves A and B, and the linear solenoid. When lock-up control
solenoid valves A and B activate, the modulator pressure changes. The lock-up control solenoid valves A and B and the
linear solenoid are controlled by the PCM.
{cont'd)
14-3
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Pressure Testing
Changing
NOTE: Keep all foreign particles out of the transmis-
sion.
1. Bring the transmission up to operating temperature
(the radiator fan comes on) by driving the vehicle.
Park the vehicle on level ground. turn the engane
off. then remove the drain Plug.
NOTE: lf a cooler flusher is to be used, see page
14-264 and 14-265.
TRANSMISSIONEND COVER
DRAIN18 x 1.5 mmSEALING WASHEBReplace.49 N.m {5.0 kgt.m, 36 lbf.tl)
Reinstall the drain plug with a new sealing washer,
then refill the transmission with the recommended
fluid to the uDper mark on the dipstick. Always use
Genuine Honda Premium Formula Automatic
Transmission Fluid (ATF) Using a non-Honda ATF
can affect shift quality.
Automatic Transmission Fluid Capacity:
4WD;
2.9 { (3.1 US qt. 2.6 lmp qt) 8t change
5.8 ? {7.2 US $, 6.0 lmp qt} at ovethaul
2WD:
2.7 | l2.S US qt,2.1lmp qtl ai change
5.9 ? {6.2 US $, 5.2 lmp qtl at ovolhaul
2.
a
a
1.
Wlrile testing, be careful of the rotaling wheols.
Mako sure lifts, iacks, and safety stands ar€ placed
properly (see scction 11.
Before testing, be sure the transmission fluid is
filled to the proPer level.
4WD:
Raise the vehicle (see section 11.
2WD:
Raise the front of the vehicle, and make sure it is
securely supported. Set the parking brake, and block
both rear wheels securely.
Allow all four wheels {4WD) or front wheels (2wD}
to rotate freely.
Warm up the engine (the radiator fan comes on),
then stop it and connect the tachometer.
Connect the oil pressure gauges to each inspection
hole securely, and do not allow dust or other foreign
particles to enter the inspection holes.
TOROUE: 18 N'm ll.8 kgf'm, 13 lbf'ft)
5.
A/T PRESSURE HOS€,2210 mm07MAJ - PYiOllA
{4 Requircd}
,4'/"' ,a
W'
A/T PRESSURE HOSEADAPTER07MAJ - PYt0120(il Rcquiledl
6. Measure the following Pressure:. Line Pressure ..........,14-162
. 1st. 1st-hold Clutch Pressure .............'. 14-162
. 2nd,3rd and 4th Clutch Pressure .......... 14-163
7. Install new sealing washers and the sealing bolts in
the inspection holes, and tighten to the specified
toroue.
(cont'd)
A/T OIL PRESSUREGAUGE SET W/PANEL07{06 - 0020400
/4\\-J-- (
+..\.-.\-'-\
A/T LOW PBESSUREGAUGE w/PANEL07406 - 0070300
TOROUE: 18 N'm 11.8 kgf'm, 13 lbf'ft)
14-161
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Transmission
Removal (cont'd)
8. Disconnect the mainshaft sp€ed sensor, the shift
control solenoid valve, and the linear solenoid con-
necrors,
Remove the drain plug. and drain the automatic
transmission fluid {ATF). Reinstall the drain plug
with a new sealing washer.
DRAIN18 x 1.5 mm4e N.m rs.o ksr.m. 36 rbrft) ;:i:$: *o"*."
SENSOR CONNECTOR
14-170
OAMPER FORKReplace.
10. Remove the guard bar and the splash shield.
Remove the cotter pins and castle nuts, then sepa-
rate the ball joints from the lower arms (see section
18).
Remove the right damper fork bolt, then separateright damper fork and damper.
11.
12.
SELF.LOCKINGNUTReplace.
CASII.E NUT
DAMPER FORKBOLT
DAMPER PINCH BOLT
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O END COVER
O olL SEAL Replace.
O BALL BEARING
@ A/T GEAR PoSITIoN swITcH coVER
€) A/T GEAn PosrloN swrrcH
@ ROLLER
O coLLARG) o-RING Replace.{9) FEED PIPE FLANGE
@ O-RING Replace.
O SNAP RING
@ 3RD CLUTCH FEED PIPE(D CoUNTERSHAFT LOCKNUT 23 x 1.25 mm Replace.(} coNtcAL SPR|NG WASHER Reptace.
@ PARK GEAR@ ONE.WAY CLUTCH(, COUNTENSHAFT lST GEAR(D NEEOLE BEARING(O COUNTERSHAFT lST GEAR COLLAR
@ o-RING Reptace.
@ lST CLUTCH FEED PIPE
@ O-RING Reptace.
@} FEEO PIPE FLANGE
@ SNAP RING
@ DOWEL PIN
@ END coVER GASKET Feplace.
@ PARK PAWL SToP@ PARK PAWL
@ PARK PAWL SPRING
@ PARK PAWL SHAFT
O} A/T GEAR POSITION SWITCH HARNESS CLAMP
@ PARK LEVER
@ LOCK WASHER Replace.
@ PARK STOP Selective part
@ PARK LEVER SPRING@ DRAIN PLUG
O SEALING WASHER Reptace.
@) MAINSHAFT LOCKNUT2l x 1.25 mm Replace.@ CONICAL SPRING WASHER Replace.@ lST CLUTCH ASSEMBLY
TOROUE SPECIFICATIONS
i!, O-RING Replace.
@ THRUST WASHER
@ THRUST NEEDLE BEARING@ NEEDLE BEARING
@ MAINSHAFI 1ST GEAR@ MAINSHAFT 1sT GEAR coLLAR
@ o-RING Replace.
6!, COUNTERSHAFT SPEED SENSOR@ ROLLER
@) COLLAR@ o-RtNG Replace.
6A FEEo PIPE FLANGE
@ o-RtNG Reptace.
@ SNAP R|NG
@ IST.HOLD cLUTcH FEED PIPE@ SUB-SHAFT LOCKNUT 19 x 1,25 mm Reptace.O coNtCAL SPR|NG WASHER Reptace.E! SUB.SHAFT lST GEAR€} LINEAR SOLENOID ASSEMBLY
@ LTNEAR soLENotD aSSEMBLy GASKET Reptace.
@ HARNESS BBACKET
@ SEALING WASHERS Feptace.
@ ATF COOLER LINE
@ LIN€ BoLT
@ ATF DIPSTICK
@ ATF COOLER LINE
@ LINE BoLT@ SEALING WASHERS Reptace.@ VEHICLE SPEED sENsoR (vss)
@ o-RtNG Beptace.
Bolt/Nut No.Torque ValuoSizeRemarks
6B
8A
12J
18D
19S
21M
23C
'12 N'm ('1.2 kgf.m,8.7 lbf.ft)
14 N.m (1.4 kgf.m, 10lb{.ft}
22 N.m 12.2 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)
93 N'm {9,5 ksim.69 lbf.ft)
78 N.m {8.0 kgnm,58 lbf.ft)
103* 0- 103 N{n {10.5* 0+ 10.5 kgfn,
75.9-0-75.9 lbf{t)
6x 1.0 mm
6x1.0mm
8 x 1.25 mm
12 x 1.25 mm
18 x 1.5 mm
19 x 1.25 mm
21 x 1.25 mm
23 x 1.25 mm
Line bolt
Drain plug
Sub-shaft locknut
Mainshaft locknut: Left-hand threads
Countershaft locknut: Left-hand
threads
14-175
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O END COVERiLl OIL SEAL Beplace.
O BALL BEARINGi.) A/T GEAR POSITION SWITCH COVER
i5] A/T GEAR POSITION SWITCH
aq) RoLLER
? COLLABi0 o-BtNG Replace.
€) FEED PIPE FLANGE
f,o) o-RING Replace.
1' SNAP RING
1A 3RD CLUTCH FEED PIPE
O COUNTERSHAFT LOCKNUT 23 x 1.25 mm Replace.
[} coNtcal SPRING WASHER Replace.iO PARK GEAR(!I ONE.WAY CLUTCH
E COUNTERSHAFT lST GEAR
@ NEEDLE BEARING
@ COUNTERSHAFT 1ST GEAR COLLAR
Or o-RtNGS Reptace.
?] lST CLUTCH FEED PIPE
@ o-RING Replace.
e3 FEED PIPE FLANGE
4I SNAP RING
€i DOWEL PINi?0 END COVER GASKET Replace.
?7) PARK PAWL STOP
E9 PARK PAWL
C9 PARK PAWL SPRING
€D PARK PAWL SHAFT
OI A/T GEAR POSITION SWITCH HARNESS CIAMP
@ PARK LEVER
€3 LoCK WASHER Replace.
04 PARK sToP Selective part(!' PARK LEVER SPRING
@ DRAIN PLUG
Ot SEALING WASHER Replace.
60 MA|NSHAFT LocKNuT 21 x 1.25 mm Replace.(9 CONICAL SPRING WASHER Replace.
@ lST CLUTCH ASSEMBLY
TOROUE SPECIFICATIONS
,!4! O-RING Replace.
@I THRUST WASHER@ THRUST NEEDLE BEARINGi.!' NEEDLE BEARINGi MAINSHAFT lST GEAR
@i MAINSHAFT 1ST GEAR COLLAR!r, O-RING Replace.iO COUNTERSHAFT SPEED SENSOR
E ROLLER
@, coLLAR
Ct o-RING Replace.5.] FEED PIPE FLANGE
09 o-RING Replace.
6A SNAP RING
5' IST.HOLD CLUTCH FEED PIPE
@-] SUB-SHAFT LOCKNUT 19 x 1.25 mm Replace.
!t CONICAL SPRING WASHER Replace.
6i' SUB-SHAFT lST GEAR
G) LINEAR SOLENOID ASSEMBLY(6!) LINEAR SOLENOID ASSEMBLY GASKET Replace
G] HARNESS BRACKET
6a SEALING WASHERS Replace.
C' ATF COOLER LINE
@ L|NE BoLT
GI ATF DIPSTICK
GI ATF COOLER LINE
O LINE BOLT
@ SEALING wasHERs Replace.aoo VEHICI.E SPEED SENSOR IVSS)
f,E O-RING Replace.
Bolt/Nut No.Torque ValueSizeRemarks
6A
6B
8A
12J'18D
195
21M
12 N.m (1.2 kgf.m,8.7 lbf.ft)
14 N.m (1.4 kgf.m, 10lbf.ft)
22 N.m 12.2 kgim, 16lbf.ft)
28 N.m (2.9 kgim,21 lbf.ft)
49 N'm (5.0 kgim,36 lbf.ft)
93 N.m (9.5 kgf.m,69 lbf.ft)
78 N.m (8.0 kgf.m,58 lbf.ft)
103+ 0+ 103 N{n (10.5 + 0+ 10.5 kSfm,
75.9' 0 - 75.9 lbfft)
6x1.0mm
6x1.0mm
8 x 1.25 mm
12 x 1 .25 mm
18 x 1.5 mm
19 x 1.25 mm
21 x 1.25 mm
23 x 1.25 mm
Line bolt
Drain plug
Sub-shaft locknut
Mainshaft locknut: Left-hand threads
Countershaft locknut: Left-hand
threads
14-181
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Rear Differential AssemblY
Troubleshooting
Most problems in the unit are to be diagnosed by identifying noises from the gears or bear'ngs'
care should be taken during diagnosis not to confuse differential noises with those from other drivetra'n components'
SymptomProbable CauseRemedy
Will not go into 4WD mode. Fluid level too low
. Incorrect fluid type
. Add fluid. Replace
Will not return to 2WD modeIncorrect fluid typeDrain and fill the differential
Gear or bearing noisesFluid level too low
Incorrect fluid type
Damaged or chipped gears
Add fluid
Drain and fill the differential
Replace the differential carrier
assemory
Overheating. Fluid leveltoo low
. Incorrect fluid type
. Add fluid. Drain and fill the differential
Fluid leakFluid level too high
Clogged breather hose
Worn or damaged oil seal
Damaged sealing washer
Loose mounting bolts or inade-
quate sealing
Lower to proper level
Clean or replace
Replace
Replace
Recheck torque or aPPIY sealant
15-13
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DriveshaftsFront Driveshafts
Inspection
Boot Damago
Check the boots on the driveshaft for cracks, damago,
leaking grease, and loose boot bands. lf any damags is
found, replace the boot and boot bands.
Looso Splines
Turn the driveshaft by hand, and make sure th€ splin€s
and joint are not excessively loose. lf damage is found,
replace the inboard joint.
Twisting or Crscking
Make sure the driveshaft is not twisted or crackod.
Replace it if necessary.
DRIVESHAFT
1.
Removal
Loosen the wheel nuts slightly.
Raise the front of the vehicle, and suppon it with
safety stands in the proper locations (see section 1).
Remove the wheel nuts and front wheels.?
SPINDLE NUT24 x 1.5 mmReplace.
lf the right driveshaft is to be removed, drain the
transmission fluid {see s€ction 13 or 14). lt is not nec-
essary to drain the transmission fluid when the left
driveshaft is removed.
Lift up locking tab on the spindle nut, then remove
the nut,
Remove the self-locking nut and flange bolt,
FLANGE BOLT10 x 1.25 mm
FRONT WHEEL
(cont'd)
6.
SELF"LOCKING NUT12 x 1.25 mmReplace.
7. Remove the damper fork,
16-3
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Front DriveshaftsIntermediate Shaft
Installation {cont'd}
Install the damper fork over the driveshaft and ontothe lower arm. Install the damper in the damperfork so the aligning tab is aligned with the slot inthe damper fork.
FLANGE BOLT10 x 1.25 mm€ N.m {4.i1kst.n,32 lbf.ftl ALtcNtNG TAB
12x 1.25 mm64 N.m {6.5 kgf.m, 47 lbf.ftlReplace.
7. Loosely install the flange bolts and the new self-locking nut.
8. Apply oil to the seating surface of the new spindle nut.
FRONT WHEELi WHEEL NUT 12 x 1.5 mm108 N.m (11.0 kgf.m,80lbf.ftl
SPINDLE NUT24 x 1.5 mm245 N.m{25.0 ksf.m, 181 lbf.ft)NOTE: Atter tightening. use a drift tostake the spindle nut shoulder against the driveshaft.
9. Install a new spindle nut, then tighten the nut.10. Clean the mating surfaces of the brake disc and thewheel. then install the front wheel with the wheelnuts,
1'1. Tighten the flange bolts and the new setf-lockingnut with the vehicle's weight on the damper.12. Refill the transmission with recommended fluid (see
section 13 or 14).
13. Check the front wheel alignment. and adjust if nec-essary (see section 18).
16-18
1.
Removal
Drain the transmission oil or fluid (see section 13 or14).
Remove the left driveshaft (see page 16-3).
Remove the three dowel bolts.
Remove the intermediate shaft from the differential.Hold the intermediate shaft horizontal until it is clear ofthe differentialto prevent damage to the differential oilseal.
INTERMEDIATE SHAFT
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