spring HONDA CR-V 1998 RD1-RD3 / 1.G Owners Manual

1.Install the suction pipe collar and the ATF magnet
{2WD) in the torque converter housing, if necessary.
lnstall the main seDarator Dlate and the two dowel
pins on the torque converter housing,
Install the ATF pump drive gear. ATF pump driven
gear, and ATF pump driven gear shaft on the torque
converter housing. Installthe ATF pump driven gear
with its grooved and chamfered side facing down.
ATF PUMPGEAR
ATF PUMP D{IVEf{GEAR SHAFT
ATF PUi'PORIVEN GEAR
Grooved and chamteredside faces separatorplate.
MAIN S€PAR/ATORPLATE
5.
o.
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. Do not
installthe bolts.
Install the control shaft in the housing along with
the manual valve.
lnstall the detent arm and arm shaft in the main
valve body, then hook the detent arm spring to the
detent arm.
SEBVO SEPARATOR PLATE
7.
DETENT ARMSHAFT
OETENT ARM
CONTROLSHAFT
MANUAL VAIVE
OETENT ARM SPRING
onlv on the '98 - 00 models,
14-251
1l.
9.
8.
10.
Install the servo body and separator plate on the
secondary valve body ('97 - 98 models: seven bolts,'99 - 00 models: eight bolts).
lnstall the servo detent base ('97 - 98 models only)
and the ATF strainer ('97 - 98 models: two bolts,'99 -
00 models: one boltl.
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 they don't,
loosen the bolts on the main valve body, and disas-
semble the valve bodies. Realign the ATF pump driv-
en gear shaft and reassemble the valve bodies, then
retighten the bolts to 12 N.m (1.2 kgim, 8.7 lbf.ft).
CAUTION: Failure to align the ATF pump driven
gear shaft corroctly will rosult in a seizsd ATF pump
drive gear or ATF pump drivon gear shaft.
ATF PUMP ATFGEARDRIVE GEAR DBIVEN GEARSHAFT
Install the stator shaft and stop shaft
Install the bolts and the stop shaft bracket on the
secondary valve body, then tighten the bolts (three
bolts).
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 body {one boltl.
Install the lock-up valve body, separator plate, two
dowel pins and lubrication plate (eight bolts).
Installthe one ATF feed pipe in the main valve body,
the three ATF feed pipes in the secondary valve, the
three ATF feed pipes in the servo body and the one
ATF feed pipe in the lock-up valve body.
NOTE: lnstall the 105.8 mm ATF feed pipe with its
filter side away from the secondary valve body; the
filter is on the 105.8 mm ATF feed pipe, which is(cont'd)
13.
14.
15.
16.
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17.
18.
19.
20.
21.
Install the sub-shaft assembly in the transmission
housing (see page 14-210 and 14-2'111.
lnstall the ATF magnet (4WD) in the transmission
housing, if necessary.
Install the reverse idler gear and gear shaft holder
(see page 14-231).
Install the differential assembly in the torque con-
verter housing.
Assemble the mainshaft and countershaft sub-
assembly (see page 14-206 and 14 207],, then install
them together in the torque converter houslng.
COUNTERSHAFTSUB-ASSEMBLY
Turn the shift fork so the large chamfered hole is
facing the fork bolt hole. then install the shift fork
with the reverse selector and torque the lock bolt.
Bend the lock tab against the bolt head.
SHIFI FORK
LOCK WASHERBeplace.
6 r 'l.O mm4 N.m(1.4 ksl.m. 1O lbt.ft)
Large chamfered hole
24.
Install the reverse gear with the collar and needle
bearing on the countershatt.
Align the spring pin on the control shaft with the
transmission housing groove by turning the control
shaft.
SPRING PIN CONTROL SHAFT
TRANSMISSION HOUSING
25. Place the transmission housing on the torque con-
verter housing with a new gasket and the three
dowel pins,
Make sure that the mainshaft speed sensor is not
installed on the transmission housing before
installing the transmission housing on the torque
converter housing.
26. Install the transmission housing mounting bolts
along with the transmission hanger and the connec-
tor bracket, then torque the bolts in two or more
steos in the seouence shown.
NOTE: The illustration shows the 4WD automatic
transmission. The 4WD has 19 transmission hous-
ing mounting bolts; the 2WD has 18 bolts.
TOROUE: 44 N.m {,[.5 kgf.m, 33 lbf'ft)
{cont'd)
14-253
SPRING PIN
TNANSMISSION
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Transmission
28.
Reassembly (cont'd)
PARX GEAR
ONE.WAY CLUTCH
BEARING
Install the mainshaft speed ssnsor (with new O-ring) on the transmission housing.
Install the park lever on the control shaft, theninstall the lock bolt with a new lock washer. Do notbend the lock tab of the lock washer in this step;bend it after checking the park pawl engagement instep 45.
Assemble the one-way clutch and the park gear onthe countershaft 1st gear (see page l4-2Og).
Lubricate these pans with ATF:. Countershaft threads. Old locknut threads and flat end. Old conical spring washer. Park gear contact area with conical springwasner
Install the countershaft 1st gear collar, needle bear-ing, and the countershaft 1st gear/park gear assem-bly on the countershaft.
Install the park pawl shaft. pawl spring, pawl. andpawl stop on the transmission housing, thenengage the pawl with th€ park gear.
31.
PAWL
I
I
a
STOP
LOCK BOLT
PAWL SHAFT
COUNIERSHAFTCOUNTERSHAFTlST GEAR COLLAR
14-254
33. Install the old locknut and the old conical springwasher on ths countershaft. Tighten the old locknutto seat the park gear to the specified torque, thenremove th€ washer and locknut. The locknut hasleft-hand threads. Do not use an impact wrench.Always use a torque wrench to tighten the locknut.
TOROUE: 103 N.m {10.5 kgf.m, 75.9 lbnft)
34. Slip the specialtool ontothe mainshaft.
MAINSHAFT07GAB - PF50101 or07GAB - PF501q)
PARK GEAR
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5C.
36.
Install the sub-shaft lst gear on the sub-shaft.
Install the mainshaft 1st gear collar, mainshaft 1st
gear, needle bearing, thrust needle bearing, and the
thrust washer on the mainshaft.
Wrap the shaft splines with tape to prevent O-ring
damage, then install new O-rings on the mainshaft
lnstallthe 1st clutch assemblv on the mainshaft
lST CLUTCHASSEMELY
O.RINGS
,te
SUB.SHAFTlST GEAR
.A/.b"'"wt
THRUST WASHER
IHRUST NEEDLEBEANING
NEEDLE BEARING
MAINSHAFT1ST GEAR
MAINSHAFT
39.
1ST GEARCOLLAB
Align the hole of the sub-shaft lst gear with the
hole of the transmission housing, then insert an 8
mm pin to hold the sub-shaft while tightening the
sub-shaft locknut.
40. Install new conical spring washers and new lock-
nuts on each shaft. Install the washers in the direc-
tion shown.
41. Tighten the locknuts to the specified torque.
Mainshaft and countershaft locknuts have left-hand
threads. Do not use an impact wrench. Always use
a torque wrench to tighten the locknuts.
LOCKNUT TOROUE:
MAINSHAFT: 78 N.m (8.0 kgf'm, 58 lbf'ft)
COUNTERSHAFT: 103 N.m (10.5 kgf.m, 75.9 lbf'ft)
SUB-SHAFT: 93 N.m {9.5 kgf'm, 69 lbf'ft|
MAINSHAFT
SU8-SHAFT LOCKNUT
LOCXNUT Left-handthreads
CONICAL SPBING WASH€RSlnstall in this direction-
42. Stake each locknut using a 3.5 mm punch.
0.7 - 1.2 mm
{0.03 - 0.05 inl
PIN8 mm pin,
commerciallyavailable
COUNTENSHAFTLOCKNUTLeft-hand threads
PUNCH3.0 - 3.5 mm10.12 - 0.1il inl
LOCKNUTPoint to bestaked.
(cont'd)
14-255
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17. Install the right and left driveshafts (see section 18).
While installing the right driveshaft in the differen-
tial, be sure not to allow dust or other foreign parti-
cles to enter the transmission.
NOTE:
. Clean the areas where the right driveshaft con-
tacts the transmission (differential) with solvent
or carburetor cleaner, and dry with compressed
air.
. Turn the right and left steering knuckle fully out-
ward, and slide the right driveshaft into the dif-
ferential until you feel its spring clip engage the
side gear. Slide the left driveshaft into the inter-
mediate shaft until you feel the spring clip of the
intermediate shaft engage the left driveshaft,
18. Install right damper fork, then install the right and
left ball joints on each lower arm with the castle
nuts and new cotter pins (see section 18).
DAMPER PINCH BOLT10 x 1 .25 mm43 N.m 14.{ kgf.m,32 rbr.ftl
DAMPERFORX
SELF.LOCKING NUT12 x 1,25 mm6/t N m (6.5 kg{.m, a7 lbtft)Replace.
Replace.
CASTLE12 x 1.25 mm49 - 59 N.m15.0 - 6.0 kgl m, 36 - {3 lbtftl
19, Install the propeller shaft to the transfer assembly
by aligning the reference marks (4WD).
20.
8 x 1.25 mm32 N.m (3.3 kgt'm,2ir blft)
Feplace.
\
@_
PROPELLER SHAFT
lnstall the shift cable.
4WD:
Install the shift cable with the control pin, then
secure it with the snap Din. Do not bend the shift
cable excessivelv.
CONTROLLEVER
SHIFT CAALECOVER
8 x 1.25 mm22 N.m 12.2l'gl m,16 rbt.ftl
(cont'd)
REFERENCE MARKS
14-261
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Shift Lever
Disassembly/Reassembly -'97 - 98 Models
SRS components are located in this area. Review the SRS component locations. precautions. and procedures in the SRS
section (24) before performing repairs or service.
Apply silicone grease to these parts'
. Movable parts of the shift lever,
. Movable parts of the shift lock mechanism.
. Sliding surfaces on the detent of the control checker and detent guide.
SHIFT LOCK SOLENOIDSPRING
SCREW
SHIFT LOCK2.5 N.m {0.25 kgtm, 1.8 lbtftl
SCREW2.5 N.m {0.25 kg{.m,1.8 rbf.ft)
SHIFT LOCK SOLENOIDPLUNGER
SHIFT LOCKEXTENSION
DETENT SPFING
SHIFT LEVER
PARK PIN SWITCHCONNECTOR
SHIFT LOCKRELEASE LEVER
CONTROL BRACKET
STOP
DETENT GUIDE
9.3 N.m 10.95 kgtm,6.8 tbrft)
SPRING
9.3 N.m {0.95 kgf.m,6.8 tbf.ftl
SHIFT LEVERLINK
9.3 N.m (0.95 kgt.m,6.8 tbf.ftl
SHIFT CAALE
KNOBI N.m 10.9 kgt.m,7 rbf.ftl
14-268
7 N.m {0.7 kgf.m.5 tbt.fr}
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Disassembly/Reassembly -'99 - 00 Models
SRS components are located in this area. Review the SRS component locations, precautions, and procedures in the SRS
section (24) before performing repairs or service.
Apply silicone grease to these parts:
. Movable parts of the shift lever.
. Movable parts of the shift lock mechanism.
. Sliding surfaces on the detent of the control checker and detent guide.
NOTE: Adjustthe clearance between the O/D switch wires and the edge ofthe shift lever control bracket after reassembly(see page 14-270).
SHIFT LOCKRELEASE LEVERSHIFT LOCK SOLENOIDSPRING
SCREW2.5 N.m {0.25 kgf.m, 1.8lbtft)SHIFT LOCK SOLENOID
SCREW2.5 N.m (0.25 kgl.m, 1.8 lbl.ft)
SHIFT LOCK SOLENOIOPLUNGER
DETENT SPRING
SHIFT LEVER CONTROLBRACKET
PARK PIN SWITCH _
o/D swtTcHCONNECTOB
SHIFT LOCK EXTENSION
STOP
DETENT GUIDE
9.3 N.m {0.95 kgf.m, 6.9 lbl.ftl
SCREW2.5 N.m {0.25 kgt m,1.8 tbf.ftl
SHIFT LOCK BELEASELEVER SPRING
9.3 N.m {0.95 kgl.m,6.9 lbtfr)
HARNESS CLAMPERACKET
PARK PINswrTcH
SCREW2.5 N.m {0.25 kgf.m,1.8 tbl.f0
9.3 N.m 10.95 kgtm,6.9 tbf.ft)CONTROL CHECKER
SHIFT LEVER KNOB6- 12 N.m{0.6 - 1.2 kgt'm,4 - 8.7 tbnft)LOCKNUT7 N.m {0.7 kgl.m,5 tbf.ftl
SHIFT LEVERBUSHING
o/D swtTcH
14-269
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Detent Spring Replacement
1.Install the detent spring on th€ shift lever control
bracket, and installthe screw loosely.
Shift the shift lever to E position.
lnssrt a 0.5 mm (0.02 in) wire gap gauge between
the control chocker detent and the shift lever, then
hold the shift lever against the El position in the
control checker.
SHIFI LEVER
GAP GAUGE
4. Put the detent spring roller in E position on the
detent guide, then tighten the screw to the specified
torque,
'97 - 98 Modeb:
DETENT SPRING
2.5 N.m 10.25 kgf.m, 1.8lbl.ftl
SCREW2.5 N.m 10.25 kgl.m, 1.8lbtftl
14-271
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Description
Rear Differential
Outline
The Real-time 4WD-Dual Pump System model has a hydraulic clutch and a differential mechanism in the rear differential
assembly. Under normal conditions, the vehicle is driven by the front wheels. However, depending on to the driving force
of the front wheels and the road conditions. the system instantly transmits appropriate driving force to the rear wheels
without requiring the driver to switch between 2WD (tront wheel drive) and 4WD (four wheel drive). The switching mecha-
nism between 2WD and 4WD is integrated into the rear differential assembly to make the system light and compact.
ln addition, the dual-pump system switches off the rear-wheel-drive force when braking in a forward gear. This allows the
braking system to work properly on models equipped with an Anti-lock Braking System (ABS).
Construction
The rear differential assembly consists of the torque control differential case assembly and the rear differential carrier
assembly. The torque control differential case assembly consists of the differential clutch assembly, the companion
flange, and the oil pump body assembly. The rear differential carrier assembly consists of the differential mechanism. The
differential drive and driven gears are hypoid gears.
The oil pump body assembly consists of the front oil pump, the rear oil pump, the hydraulic control mechanism, and the
clutch piston. The clutch piston has a disc spring that constantly provides the differential clutch assembly with a preset
torque to Drevent abnormal sound.
The clutch guide in the differential clutch assembly is connected to the propeller shaft via the companion flange, and it
receives the driving force lrom the transfer assembly. The clutch guide rotates the clutch plate and the front oil pump in
the oil pump body.
The clutch hub in the differential clutch assembly has a clutch disc that is splined with the hypoid drive pinion gear. The
hypoid drive gear drives the rear oil pump.
The front and rear oil pumps are trochoidal pumps. The rear oil pump capacity is 2.5 percent larger that the front oil pump
to handle the rotation difference between the front and rear wheels caused by worn front tires and tight corner braking.
The oil pumps are designed so the fluid intake works as a fluid discharge when the oil pumps rotate in reverse. Genuine
Honda CVT fluid is used instead of differential fluid.
Operation
When there is a difference in rotation speed between the front wheels (clutch guide) and rear wheels (hypoid driven gear),
hydraulic pressure from the front and rear oil pumps engages the differential clutch, and drive force from the transler
assembly is applied to the rear wheels.
The hydraulic pressure control mechanism in the oil pump body selects 4WD mode when the vehicle is started abruptly,
or when accelerating in a forward or reverse gear (causing rotation difference between the front and rear wheels). or
when braking in reverse gear {when decelerating). lt switches to 2WD mode when the vehicle is driven at a constant speed
in forwar! or reverse gear (when there is no rotation difference between the front and rear wheels), or when braking in a
fo rwa rd gear (when decelerating).
To protect the system, the differential clutch assembly is lubricated by hydraulic pressure generated by the oil pumps in
both 4WD and 2WD modes. Also, the thermal switch relieves the hydraulic pressure on the clutch piston and cancels 4WD
mode if the temDerature of the differential fluid rises above normal.
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TOROUE CONTROL OIFFERENTIAL
REAR DIFFERENTIAL ASSEMBLY
OIL PUMP BODY
OIFFERENTIAL CLUTCHHYPOID DRIVEPINION GEAR
OIFFERENTIAL CARRIER
DIFFERENTIAL
HYPOID RING GEAR
DIFFERENTIAI- HOUSING
REAR OII- PUMP
ASSEMBLY
CLUTCH GUIDE
COMPANION FLANG€
CLUTCH HUB
CLUTCH PLATE
HYDRAULIC CONTROL SYSTEM
CLUTCH PISTON
CLUTCH DISC
REAR OIL PUMP
FRONT OIL PUMP
DISC SPRINGFRONT OIL PUMP
DIFFEREMT|AL CLUTCHASSEMBI-Y
THERMAL SWITCHRELIEF VALVEOIL STRAINER
15-5
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