steering wheel HONDA CR-V 1998 RD1-RD3 / 1.G User Guide

Troubleshooting
General Troubleshootin g
Check the following before you begin:
. Has the suspension been modified in a way that would affect steering?
. Are tire sizes, tire variety and air pressure correct?
. ls the steering wheel original equipment or equivalent?
. ls the power steering pump belt properly adjusted?
. ls steering fluid reservoir filled to proper level?
. ls the engine idle speed correct and steady?
Hard Steering (Check the power assist, see page 17-12. lf the force is over 29 N (3.0 kgl 6.6 lbfl, proceed with this troubleshooting.i
Abnormalthiidpressure (Iluidpressure is toohigh)
Relief pressuretoo low
Faulty valve body unit
Abnormal
Check the teed and return circuit lines and hosebetween the gearbox and pump for clogging anddeformation.
Normal line and hose
Check the pump fluid pressure(see page 17-16 or 17-17).Measure steady state lluid pres-
sure at idle with the pressure con-trol valve and the shut-off valve (it
so equipped) fully open.The fluid pressure should be 1,500kPa (15 kgf/cm,,213 psi)or less.
Normal
Check the flow control valve (see page 17 26).. Check the valv€ lor smooth movement in the hous-ing.. Check the relief valve for leaks.
Check the pump fluid pressure(see page 17-16 or l7-17).Measure pump relief pressure atidle with the pressure controlvalve and the shut'off valve lil soequipped) fully closed.The fluid pressure should be 6,9007,800 kPa (70 - 80 kgflcm,, 1,000- 1,140 psi).
Normal relief pressure
17-4
Go to page 17 5Faulty pump assemblyFaulty flow control valve
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Abnormal
Not deformed
Deformed
Faulty cylinder lines
Readjust the rack guide(see page 17-15)
Bent
IFaulty steering gearbox
Compair the steering to anotheralike vehicle.
(cont'd)
17-5
Adjustment OK
Check the force required to turnthe wheel lsee page 17 12).Start the engine and measure theforce required to turn the wheelto the right and left. Difference ofthe force required to turn thewheel to the right and to the leftshould be 2.9 N (0.3 kgf,0.7 lbt)or less,
Normal
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Troubleshooting
General Troubleshooting (cont'dl
Assist (excessively light steering) athigh speed.
Shock or vibration when wheel isturned to full lock.
Steering wheel will not returnsmoothly.
lf the problem is not corrected byadjusting the rack guide, adjustthe front wheel alignment (see
section 18).
Check the rack guide for proper
adjustment (see page 17-15).
Check the rack guide for properadjustment (see page 17'15).
Adjust the rack guide.
Rack guide is adiusted properly.
lf the problem is not corrected byadjusting the rack guide, replacethe gearbox.Check the belt for slippage andadjust as necessary (see page 17-14).
A and B cylinder lines are normal, check wheel alignment (see
section 18).
Wheel alignment is abnormal,adjust as needed.
Wheel alignment is normal.Check the steering wheel opera-tion and power assist check (seepage 17-121.
lf the measurements are out ofspecifacations, adjust the rackguade.
lf the problem is not corrected byadjusting the rack guide, replacethe gearbox,
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Uneven or rough steering.Ad,ust the rack gu ide (see page 17- 15).
ll the problem is not corrected byadjusting the rack guide, replacethe gearbox.
Adjust the belttension. Replace thebelt, if necessary (see page 17-14).Belt slipping on pulley.
lf the engine stalls when thewheel is turned while the vehicleis stopped or moving at lowspeed, adjust the idle speed (seesection 111.
ldle speed low or erratic.
Check power steering lluid level. lfthe level is excessively low checkfor leaks in the system. Add fluidto the specified level.
Air in reservoir, or check powersteering tluid level.
lf fluid level is OK, check O-ringsand seals on both ends of thepump inlet hose, and the P/Spump housing mating surlacesand drive shaft oil seal for suction leaks. Check the reservoir forcracks, Replace parts as neces-
Pump belt slipping on pulley(pump stops momentarily).Adjust the belt tension (see page17-14) or replace belt.
Check if pump pressure is normaland the gauge needle travel is 500kPa (5 kgl/cm,, 71 psi) or less.Check the flow control valve if theneedle travel exceeds 500 kPa (5kgflcm', 71 psi). lI the flow controlvalve is normal, replace the pumpas an assembly,
Install the power steering pres-sure gauge, Close the pressurecontrol valve and shut off valve (if
so equipped) fully and measurethe pump pressure (see page 17-16ot 17 17).
Steering wheel kicks backduring wide turns.
7-7
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Troubleshooting
Noise and Vibration
NOTE: Pump noise in first 2 - 3 minutes after starting in cold weather is normal.
Humming
Rattle or chattering
Humming due to pulsation of fluid is normal, particularly when the wheel isturned with the vehicle stooDed.
lf equipped with automatic trans-mission, the hum could be thetorque converter or pump noase.
Confirm by temporarily removingthe pump belt.
Feed hose (high-pressure) touch-ing the frame.Beposition the feed hose.
Loose steering shaft connector,tie-rod, or balljoint.Check and tighten, or replaceparts as necessary,
Column shaft wobbling.Roplace the column assembly.
Check the rack guide for properadjustment (see page 17-15).Adjust, if necessary.
Rattling sound and feeling when turning the steering wheel right and left with th€engine OFF is normal.
Pump noise, though not loud, from the valve body unit can be heard when turn-ing the steering wheel to full lock in either direction. This is normal. Do not holdthe steering wheel at full lock lor more than five seconds when inspecting.
17-8
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Inspection and Adjustment
Steering Operation
Place the front wheels in the straight ahead position.
and measure the distance the steering wheel can be
turned without moving the front wheels.
ROTATIONAL PLAY: 0 - 10 mm (0 - 0.39 inl
lf the play exceeds the limit, perform rack guide adjust-
ment (see page 17-15).
lf the play is still excessive after rack guide adjustment,
inspect the steering linkage and gearbox as described
on the next page.
ROTANONAL PLAY
+i r
17-12
Power Assist Check with
Vehicle Parked
1. Check the power steering fluid level (see page 17-
15) and pump belt tension (see page 17-14).
2. Start the engine, allow it to idle, and turn the steer-
ing wheel from lock-toiock several times to warm
up the fluid.
3. Aftach a spring scale to the steering wheel, With the
engine idling and the vehicle on a clean. dry floor,
pull the scale as shown and read it as soon as the
tires begin to turn.
SPRINGSCALE(Commercially
available)
The scale should read no more than 29 N (3.0 kgf,
6.6 lbfl. lf it reads more, check the gearbox and
oumo.
f::1-tE
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Inspection and Adjustment
Pump Belt
When using a new belt. first adjust the deflection or ten-
sion to the values for the new belt, then readjust the
deflection or tension to the values for the used belt after
running engine for five minutes.
Inspection
Note these items during inspection:
a lf there are cracks or any damage evident on the belt,
replace it with a new one.
. Follow the manufacturer's instructions lor the tension
gauge.
'1. Remove the P/S reservoir from the bracket, and set
it aside.
2. Attach the belt tension gauge to the belt with the
gauge face toward the engine, and measure the ten-
sion of the belt.
Remove the belt tension gauge carefully to avoid
hitting the gauge reset lever.
Tension:
Used Belt: 390 - 540 N {40 - 55 kgf, 88 - 121 lbf)
New Belt: 7,[0 - 840 N (75 - 90 kgf, 165 - 198 lbf)
CRANKSHAFT PULLEY
17-14
Measurement without Belt Tension Gauge:
Apply a force ot 98 N (10 kgf,22 lbt) and measure the
deflection between the power steering pump and the
crankshaft oullevs.
Deflection:
Used Belt: 11.0 - 1i1.5 mm {0.'(l - 0.57 in)
New Belt: 7.5 - 10.0 mm {0.30 - 0.39 in)
CRANKSHAFT PULLEY
Adiustment
'1. Loosen the power steering pump mounting bolt
and pump lock bolt.
PUMP MOUNNNG BOLT24 N'm (2.4 kgf'm, 17 lbf ftl
PUMP LOCK BOLT24 N.m 12.4 kgf.m, 17 lbf.ftl
Adjust the belt tension by moving the power steer-
ing pump with a 1/2" drive breaker bar to obtain theproper belt tension, then retighten the mounting
bolt and lock bolt.
Start the engine and turn the steering wheel from
lock-to-lock several times, then stop the engine and
recheck the deflection of the belt.
Measure here.
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Rack Guide Adjustment
1.
6.
7.
5.
4.
Set the wheels in the straight ahead position.
Loosen the rack guide screw locknut with the spe-
cialtool, then loosen the rack guide screw.
For'98 - 00 models, remove the rack guide screw.
Remove the old sealant from rack guide screw
threaded section, and apply new sealant to the first
three threads. Loosely install the rack guide screw
on the steering gearbox.
RACK GUIDE SCREW
LOCKNUT25 N.m
12.5 kgt m, 18lbtftl
Tighten the rack guide screw to 25 N.m (2.5 kgf'm,
18 lbf.ft), then loosen it.
Retighten the rack guide screw to 3.9 N'm (0.4
kgf.m, 2.9 lbf.ft), then back it off to specified angle.
Specified Return Anglo:
37 model: 10 r 5"'98 - 00 modeb: 20' Max
Tighten the locknut while holding the rack guide
screw.
Check for tight or loose steering through the com-
plete turning travel.
Perform following inspections:
. Steering operation (see page 17-12).
. Power assist with vehicle parked
Fluid Replacement
Check the reseryoir at regular intervals, and add the rec-
ommended fluid as necessary.
CAUTION: Always use Gsnuine Honda Power Steering
Fluid-V or S. Using any other type of power steering
tluid or automatic transmission fluid can cause increassd
wear and poor steering in cold w3athel.
SYSTEM CAPACITY:
0.85 liter {0.90 US. qt. 0.75 lmp.qtl
at disasssmbly
RESERVOIR CAPACITY:
0.,1 liter (0.42 US. gt, 0.35 lmp.qi)
UPPEN LEVEL LINE
LOWER LEVEL LINE
1.Raise the reservoir. then disconnect the return hose
to drain the reservoir. Take care not to spill the fluid
on the body and parts. Wipe off any spilled fluid at
once.
2, Connect a hose of suitable diameter to the discon-
nected return hose, and put the hose end in a suit-
able container.
3. Stan the engine. let it run at idle, and turn the steer-
ing wheel from lock-to-lock several times. When
fluid stops running out of the hose, shut off the
engine. Discard the fluid.
4. Beinstallthe return hose on the reservoar.
5. Fill the reservoir to the upper level line,
6. Start the engine and run it at fast idle. then turn the
steering from lock-to-lock several times to bleed air
from the system.
7. Recheck the fluid level and add some if necessary.
Do not fill the reservoir beyond the upper level line.
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lnspection and Adjustment
Pump Pressure Gheck With T/N 07406 - 0010001
Check the fluid pressure as follows to determine whetherthe trouble is in the pump orgearbox.
1. Check the powsr steering fluid level (see page 17-15), and pump belt tension (see page 17-14).
2. Disconnect the pump outlet hose from the pump
outlet with care so as not to spill the pow€r steeringiluid on the frame and other pans. thon install theP/S joint adapter (pumpl on the pump outlet.
6 x 1.0 mm BOLT{Part oftool)
FEED HOSE FITTING
PUMP OUTLET HOSE
11 N.m ll.1 kgl.m, E lbf.ftl
P/S PRESSURE GAUGE07('6 - 0010001
6 x t.0 mm BOLT{Part oftool)11 N.m(1.1 kgt m, 8 lbf.tr)
Connect the P/S joint adapter (hose) to the p/S pres-
sure gauge, then connect the pump outlet hose tothe P/S ioint adspter (hose).
Install the P/S pressure gauge to the p/S joint
adapter (pump),
17-16
5. Fully open the shut-off valve.
PRESSURECONTROL VALVE
6. Fully open the pressure controlvatve.
7. Start the engine and let it idle.
8. Turn the steering wheel from lock-to-lock severaltimes to warm the fluid to operating temperature.
9, Measure steady-state fluid pressure while the engineis idling. lf the pump is in good condition, the gauge
should read less than 1,500 kPa (15 kgf/cmr, 213 psi).
lf it reads high, check the outlet hose or valve bodvunit (see General Troubleshooting).
10. Close the pressure control valve, then close theshut-off valve gradually until the pressure gauge
nsedle is stable. Read the pressure.
CAUTION: Do not k€ap tha prca3un control valvoclorod mo.c thon 5 srconds or thc pump cluld bodamEgod by ovor-hoating.
11. lmmodiately open the pressure controlvalve fullv.
lf the pump is in good condition, the gauge shouldread at least 6,900 - 7,800 kpa (70 - 80 kgflcmr,'1,000 - 1.140 psi). A low reading means pump out-put is too low for full assist. Repair or replace theDUMD.
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Pump Pressure Check With T/N 07406 -
Check the fluid pressure as follows to determine whether
the trouble is in the pump or gearbox.
1. Check the power steering tluid level (see page 17-
151, and pump belt tension (see page 17-14).
2. Disconnect the pump outlet hose from the pump
outlet with care so as not to spill the power steering
fluid on the frame and other parts, then install the
P/S joint adapter (pump) on the pump outlet.
6 x 1.0 mm BOLT(Part oftool)
FEED HOSE HfNNG
PUMP OUTLET HOSE
1'l N.m 11.1 kgf.m,8lbf ft)
P/S PRESSURE GAUGE07406 - 001000A
6 x 1.0 mm BOLT(Part ol tool)11 N.m(1.r kg{.m,8lbf'ft|
Connect the P/S joint adapter (hose) to the P/S pres-
sure gauge, then connect the outlet hose to the P/S
joint adapter (hose).
Install the P/S pressure gauge to the P/S joint
adapter (pumpl.
001000A
5. Open the pressure controlvalve fully.
PRESSURECONTROL VALVE
7.
10.
Start the engine and let it idle.
Turn the steering wheel from lock-to-lock several
times to warm the tluid to operating temperature.
Measure steady-state fluid pressure while the engine
is idling. It the pump is in good condition, the gauge
should read 1,500 kPa (15 koflcm',213 psi). lf it reads
high. check the outlet hose or valve body unit {see
General Troubleshooting),
Close the-pressure control valve gradually and read
the oressure.
CAUTION: Do not keep the pressurs control valve
closed more then 5 seconds or the pump could bo
damaged by overheating.
lmmediately open the pressure controlvalve fully.
lf the pump is in good condition, the gauge should
read at least 6,900 - 7;800 kPa (70 - 80 kgflcm',
1,000 - 1.140 psi), A low reading means pump out-
Dut is too low for {ull assist. Repair or replace the
oumo.
17-17
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