1997 HONDA CR-V Reverse

Description
Hydraulic Flow (cont'dl
Reverse Driving at Constant Speed l2WD)when driving in reverse at a constant speed, the dual pump system functions in two wheel drive mode.The rotation speed of the front and rear wheels is the same, so the speed of the front and rear pumps is also the same,Fluid discharged by the front oil pump is drawn in by the rear oil pump and is circulated through the system. But, becausethe there is a difference in the capacity between the two pumps, fluid flows through check valve E, and then through ori-Iices. This fluid lubricates and cools the clutch assembly and bearings.ls this condition, only a low pressure is built up at the clutch piston. Therefore the clutch does not engage, and the vehicleremains in 2WD (front wheel drive).
Reverse Deceleration l/tWDl
During reverse deceleration, the dual pump system can engage four wheel drive.When decelerating in reverse direction, the speed of the rear wheels may exceed the speed of the front wheels (due toengine braking). In this condition, the rear oil pump draws fluid through check valves B and C. Fluid discharged from therear oil pump then flows through check valve E to the clutch piston. There, pressure is regulated by two orifices.The regulated hydraulic pressure at the clutch piston may force the plates and discs of the clutch together to form a con,nection. The engaged clutch passes driving force from the transfer assembly to the rear wheels, producing 4WD.
oRtFtcEsREAR OIL PUMP
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Troubleshooting (Manual Transmissionl
When starting and accelerating in forward gears (4WD
mode)
1. Lift up the vehicle so all four wheels are off the
ground {see section 1)
3.
Start the engine, and let it run until it warms up (the
radiator fan comes on at least twlce).
With the engine at idle, shift into 1st gear and
release the clutch.
Apply the parking brake firmlY
. lf the engine stalls, the 4WD system is normal.
. lf the engine continues running, there is a prob-
lem in 4WD system. Check the differential fluid. lf
the differential fluid is normal, replace the torque
control ditferential case kit.
2.
When starting and accelerating in reverse gear (4WD
model
1. Lift up the vehicle so all four wheels are off the
ground (see section 1).
Start the engine, and let it run until it warms up (the
radiator fan comes on at least twice)
With the engine at idle, shift into reverse gear and
release the clutch.
Apply the parking brake firmlY
. lf the engine stalls, the 4WD system is normal.
. lf the engine continues running, there is a prob-
lem in 4WD system. Check the differential fluid lf
the differential fluid is normal, replace the torque
control differential case kit.
3.
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Real-time 4WD-Dual Pump System
Troubleshooting (Automatic Transmission/Manual Transmission)
Whon d6c6l6rating in a torward gear {2WD mode}
1. Block the front wheels, raise the left rear wheel. and
support it with a safety stand as shown.
Hold the tire and turn it counterclockwise continu-
ouslv for more than one rotation.
lf the rotation of the wheel does not gradually
feel heavy while rotating, the 2WD system when
decelerating in a forward gear is normal.
lf the rotation of the wheel gradually feels heavy,
there is a problem in the system. Check the dif-
ferential fluid, lf the fluid is normal, reDlace the
toroue control differential case kit.
WHEEL CHOCKS
15-12
When decelerating in reverse gear (4WD mod€)
1. Block the front wheels. raise the left rear wheel, and
suppo( it with a safety stand as shown.
Hold the tire and turn it clockwise continuouslv for
more than one rotation.
lf the rotation of the wheel gradually feels heaw.
the 4WD system when decelerating in reverse gear
is normal,
lf the rotation of the wheel does not gradually feel
heavy, there is a problem in the system. Check
the differential fluid. lf the fluid is normal.
reolace the torque control differential case kit,
WHEEL CHOCKS
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7. Insert the edge of the screwdriver into the groove
located under the differential housing Pry out the
driveshaft inboard ioint with a screwdraver.
NOTE: Take care not to damage the differential oil
seal and differential ring when prying out the differ-
ential inboard joint.
8. Remove the mounting bolts and the washers.
DRIVESHAFT
MOUNTING BOLTS'10 x 1 .25 mm,19 N'm (5 0 kgf m, 36 lbtftl
Lower the rear differential assembly on the trans-
mission jack, then remove the rear driveshafts from
the rea r difterential assembly.
DIFFERENTIAL
12 x 1.25 fifi
10. Remove the rear difterential mounting bracket A
from the rear differential assembly.
N.m {7.0 lgf.m. 5l lbl.tt)
REAR DIFFERENTIALMOUNTING BRACKET A
REAN DFFERENTI,ALASSEMBLY
11.Install the rear differential assembly in the reverse
order of removal.
Note these items during reassembly
. lnstall the breather tube to the breather tube joint
properly.
. During the propeller shaft installation, align the
marks on the propeller shaft and companion
flange.
. Reiill the rear differential with the recommended
fluid to the proper level {see page 15-14).
15-17
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Propeller Shaft
RemovaUlnstallation
1, Remove the propeller shaft protectors.
No. 1 PROPELLER SHAFT
PROPELLER SHAFTPROTECTOR
FLANGE BOLTI x 1 .25 mm22 N.m (2.2 kg{.m. 16lbl'ft)
2.
No. 2 PROPELLER SHAFT
FLANGE BOLT8 x 1.25 mm22 N.m 12.2 kgf.m, 16lbf.ft)
PNOPELLER SHAFTPROTECTOR
Mark the No. 2 propeller shaft and rear differsntial
across their joints as shown.
Remove the four 12-point bolts. and remove the No.
2 propeller shaft from the rear differential.
No.2 PROPELLERSHAFT12.POINT BOLT8 x 1.25 mm32 N.m 13.3 kst m, 24 lbtftl
REAR DIFFERENTIAL
16-30
4, Remove the center support bearing mounting bolts.
SELF-LOCK|NG BOLT uErr rEn Durrr.r'r I I'EAnrNu
10 x 1.25 mm39 N'm 14.0 kg{.rn,29 lbtftlReplace.
Mark the No. I propeller shaft and transfer assem-
bly across their joints as shown.
Remove the four 12-point bolts, and remove the No.
1 propeller shaft from the transfer assembly,
No. 'l PROPELLER SHAFT
o.
12.POINT BOLT8 x 1.25 mm32 N.m 13.3 kgt'm, 2,1 lbf.ft)
TRANSFERASSEMBLY
7. Install the propeller shafts in the reverse order of
removal. Make sure to align the marks on the pro-
p€ller shafts with the marks on the rear differential
and the transfer assemblv.
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8. Installation is the reverse ofthe removal procedure.
Note these items during installation:
. Be sure the wires are not caught or pinched by
any parts when installing the column.
a Make sure the wire harness is routed and fas-
tened properly.
. Make sure the connectors are properly connected.
. Make sure the steering joint is connected as fol-
lows:
a. lnsert the uDper end of the steering joint onto
the steering shaft (line up the bolt hole with
the flat ot the shaft).
b. Slip the lower end of the steering ioint onto
the Dinion shaft (lins up the bolt hole with the
groove around the shaft). and installthe lower
ioint bolt. Be sure that the lower joint bolt is
securely in the groove in the pinion shaft'
c. Pull on the steering joint to make sure that the
steering joint is JullY seated.
Then install the upper joint bolt and tighten it.
22 N.m (2.2 kgf.m, 16lbt.ftl
UPPER JOINT BOLT
Bolt must Iine uPwith fl6t on shaft.
Flat ponion.
SIEERING JOIMT
STECRING JOINT
LOWER JOINT BOLTBolt must line up withgroove around on shaft,
Inspection
Check the steering column ball bearing and the steer-
ing joint bearings for play and proper movement. lf
there is noisy or if there is excessive play, replace the
steering column as an assemblY
Check the retaining collar for damage. lf it is dam-
aged, replace the retaining collar.
PLASl'tCINJECTIONS
ABSOBBINGPLATE
SHIFT I.EVER
. Check the absorbing plates, absorbing plate guides
and sliding capsules Jor distortion and breakage.
ReDlace the column as an assembly if they are dis-
torted or broken.
SLIDING CAPSUIIThis part is attachedto the column bracketwith the plastic injections.
FETAINING COLLAR
ABSORBINGPLATE GUIDE
|GNMON SWTTCHSee section 23.(cont'd)
17-21
See section 14.
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Front Suspension
31.
Knuckle/Hub Replacement (cont'dl
Wash the knuckle and hub thoroughly in high flash
point solvent before reassembly,
Press a new wheel bearing into the knuckle using
the old b6aring, a plate. the special tool, and a
press. Place the wheel bearing on the knuckle with
the pack seal side facing (metal color) toward the
inside. Be careful not to damage the sleeve of the
Dack seal.
DOUBLE LIP SEALIBLACK COLORI
SUPPORT BASE0?965 - SD90t00
33. Install the circlip securely in the knuckle groove.
35. lnstall the hub on the knuckle using the specialtools
shown and a hydraulic press. Be careful not to dis-
tort the splash guard.
ORIVER077irg - 0010000
SPLASH GUARO
lnstall the knuckle in the reverse order of removal,
and pay particular attention to the following items:
. Be careful not to damage the ball joint boots
when installing the knuckle.
r Torque a\ mount
g hardv{are to ths speci{ied
torque values,
o Torque the castle nuts to the lower torque speci
fications, then tighten them only iat enough to
align the slots with each pin hole. Do not align
the castle nut by loosening.
a lnstall new cotter pins on the castle nuts or hex
nut after torquing.
. Avoid twisting the sensor wires when installing
the wheel sensor.
. Before installing the brake disc, clean the mating
surfaces of the front hub and the inside of the
brake disc.
. Before installing the spindle nut, apply a small
amount of engine oil to the seating surface oJ the
nut. After tightening, use a drift to stake the spin-
dle nut shoulder against the driveshaft.
. Before installing the wheel. clean the mating sur-
face of the brake disc and the inside of the wheel.
. Check the front wheel alignment, and adjust it if
necessary {see page 18-4).
scREws5 N.m 10.5 kgl m, 4 lbl'tt)
CIRCLIP
34. Install the splash guard and tight€n the screws.
18-14
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'1.
Lower Ball Joint Replacement
Remove the knuckle (see page 18-10).
Remove the boot by prying the set ring off.
Check the boot for deterioration and damage. and
replace it if necessary.
lnstall the special tools on the ball joint, and tighten
the castle nut.
BAII JOINT BEMOVER BASE07JAF - SH2oe00
Position the special tools over the ball joint as
shown. then set the assembly in a vise. Press the
ball joint out of the knuckle.
Place the ball joint in position by hand.
Install the special tools over the ball joint as shown,
then press the balljoint in.
BAII JOINT INSTAL1IR BASE
7.
8AI.I JOINT REMOVEN/INSTALLER
BALL JOINT HOUSING SURFACE
18-15
8. Install the ball joint boot and set ring using the spe-
cial tool {see page 18-16}.
Install the knuckle in the reverse order of removal.
and pay particular attention to the following items:
. Be careful not to damage the ball joint boots
when installing the knuckle.
. Torque all mounting hardware to the specified
toroue values.
a Torque the castle nuts to the lower torque speci-
fications, then tighten them only far enough to
align the slot with the pin hole. Do not align the
castle nut by loosening.
. Install new cotter pins on the castle nuts after
IOrqurng.
Avoid twisting the sensor wires when installing
the wheel sensor.
Before installing the brake disc, clean the mating
surfaces of the front hub and the inside of the
brake disc.
Before installing the wheel. clean the mating sur-
face of the brake disc and the inside of the wheel.
Check the front wheel alignment, and adjust it if
necessary (see page 18-4).
o
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