check engine NISSAN ALMERA N15 1995 Service Manual

STEERINGSYSTEM

SECTIONST

CONTENTS
PRECAUTIONS ANDPREPARATION 2

Precautions 2
Special Service Tools 3
Commercial ServiceTools 4

ON-VEHICLE SERVICE
5

Checking SteeringWheelPlay 5
Checking NeutralPosition onSteering Wheel 5
Front Wheel Turning Angle 5
Checking GearHousing Movement 5
Checking andAdjusting DriveBelts(For
power steering) 6
Checking FluidLevel 6
Checking FluidLeakage 6
Bleeding Hydraulic System 7
Checking SteeringWheelTurning Force(For
power steering) 7
Checking Hydraulic System 8

STEERING WHEElANDSTEERING COLUMN 9

Removal andInstallation 9
Disassembly andAssembly 12
Inspection 13

MANUAL STEERING GEARANDLINKAGE
(Model R24N) 14
Removal
andInstallation 14
Disassembly 15
Inspection 15
Assembly andAdjustment... 16

POWER STEERING GEARANDLINKAGE (Model
PR24AC) 19

Removal andInstallation 19
Disassembly 22
Inspection 22
Assembly ,.. 23
Adjustment 27

POWER STEERING OILPUMP 29

Pre-disassembly Inspection 30
Disassembly 30
Inspection 31
Assembly 31

POWER STEERING OILCOOLER
33

Oil Cooler (Heavy dutykitfor CD20 engine
model) 33
Removal andInstallation 33

SERVICE DATAANDSPECIFICATIONS
(505)34
General Specifications 34
Inspection andAdjustment 34
•

ON-VEHICLESERVICE
Checking andAdjusting DriveBelts(Forpower
steering)

Refer to"Checking DriveBelts" for"ENGINE MAINTENANCE"
in MA section.

SST476C

S
r

SST681B Checking
Fluidlevel

Check fluidlevel using dipstick onreservoir cap,orreferring to
the scale onreservoir tank.
Use "HOT" rangeforfluid temperatures of50 to80°C (122to

176°F).

Use "COLD" rangeforfluid temperatures of0to 30°C (32to

86°F).
CAUTION:
• Donot overfill.
• Recommended fluidisAutomatic Transmission Fluid
''DEXRON™,, typeorequivalent.
Checking Fluidleakage

Check thelines forimproper attachment andforleaks, cracks,
damage, looseconnections, chafingordeterioration.
1. Run engine between idlespeed and1,000 rpm.

Make suretemperature offluid inoil tank rises to60 to80°C
(140 to176°F).

2. Turn steering wheelright-to-Ieft severaltimes.
3. Hold steering wheelateach "lock" position forfive seconds
and carefully checkforfluid leakage.

CAUTION:
Do not hold thesteering wheelinalocked position formore
than 15seconds.

4. Iffluid leakage atconnectors isnoticed, loosenflarenutand
then retighten.

Do not overtighten connectorasthis candamage O-ring,
washer andconnector.

5. Check rackboots foraccumulation ofpower steering fluid.

ST-6

SST491B
SST090B ON-VEHICLE
SERVICE
Bleeding Hydraulic System

1. Raise frontendofvehicle untilwheels areclear ofthe
ground.
2. Add fluid intooiltank tospecified level.Thenquickly turn
steering wheelfullytoright andleftand lightly touchsteer-
ing stoppers.
Repeat steering wheeloperation untilfluid level nolonger
decreases.
3. Start engine.
Repeat step2.above.
• Incomplete airbleeding willcause thefollowing tooccur.
When thishappens, bleedairagain.
a. Air bubbles inreservoir tank
b. Clicking noiseinoil pump
c. Excessive buzzinginoil pump
Fluid noise mayoccur inthe valve oroil pump. Thisiscommon
when thevehicle isstationary orwhile turning thesteering
wheel slowly. Thisdoes notaffect theperformance ordurabil-
ity ofthe system.

Checking SteeringWheelTurning Force(For
power steering)

1. Park vehicle onalevel, drysurface andsetparking brake.
2. Start engine.
3. Bring power steering fluiduptoadequate operating temper-
ature. [Make suretemperature offluid isapproximately 60
to 80°C (140to176°F).]

Tires needtobe inflated tonormal pressure.

4. Check steering wheelturning forcewhen steering wheel
has been turned 360°from theneutral position.

Steering wheelturning force: •
39 N(4 kg, 9Ib) orless

5.
If
steering wheelturning forceisout ofspecification, check
rack sliding force.
a. Disconnect steeringcolumnlowerjointandknuckle arms
from thegear.
b. Start andrunengine atidle tomake suresteering fluidhas
reached normaloperating temperature.
c. Pull tie-rod slowlytomove itfrom neutral position to
::l::
11.5
mm
(::l::
0.453 in)atspeed of3.5 mm (0.138 in)/s.Check that
rack sliding forceiswithin specification.

Average racksliding force:
152.0 -240.3 N(15.5 -24.5 kg,34.2 -54.0 Ib)
Maximum forcedeviation:
98 N(10 kg, 22Ib)

6.
If
rack sliding forceisnot within specification, overhaul
steering gearassembly.
7. Ifrack sliding forceisOK, inspect steering column.Referto
ST-13.

ST-7

ST27091000

.. :Direction ofoil flow Low-pressure
hose SST834-AON-VEHICLE
SERVICE
Checking Hydraulic System

Before starting, checkbelttension, drivingpulleyandtirepres-
sure. 1. Set Tool. Open shut-off valve.Thenbleed air.(See "Bleed-
ing Hydraulic System"ST-7.)
2. Run engine.

Make suretemperature offluid intank rises to60 to80°C (140
to 176°F).
WARNING:
Warm upengine withshut-off valvefullyopened. Ifengine is
started withshut-off valveclosed, fluidpressure inoil pump
increases tomaximum. Thiswillraise oiltemperature abnor-
mally.

3. Check pressure withsteering wheelfullyturned toleft and
right positions withengine idlingat1,000 rpm.

CAUTION:
Do not hold thesteering wheelinalocked position formore
than 15seconds.
Oil pump maximum standardpressure:
7,649 -8,238 kPa(76.5 .82.4 bar,
78 -84 kg/cm
2,
1,109-1,194 psi)

4.
If
oil pressure isbelow thestandard pressure, slowlyclose
shut-off valveandcheck pressure.
• When pressure reachesstandard pressure, gearisdam-
aged.
• When pressure remainsbelowstandard pressure, pumpis
damaged.

CAUTION: Do not close shut-off valveformore than15seconds.

5.
If
oil pressure ishigher thanstandard pressure, checkoil
pump flowcontrol valve.
6. After checking hydraulic system,removeToolandaddfluid
as necessary. Thencompletely bleedairout ofsystem.

S1-8

POWERSTEERING GEARANDLINKAGE (ModelPR24AC)
Adjustment (Cont'd)

6. Move rackover itsentire stroke several times.
7. Measure pinionrotating torquewithintherange of180° from
neutral position.
Stop thegear atthe point ofmaximum torque.
8. Loosen adjusting screw,thenretighten itto 4.9 N'm (50
kg-em, 43in-Ib).
9. Loosen adjusting screwby70° to110°.

SST072BA
10.Prevent adjusting screwfromturning, andtighten locknut
to specified torque.

SST557A
SST090B
11.
Check racksliding forceonvehicle asfollows:
a. Install steering gearontovehicle, butdonot connect tie-rod
to knuckle arm.
b. Connect allpiping andfillwith steering fluid.
c. Start engine andbleed aircompletely.
d. Disconnect steeringcolumnlowerjointfrom thegear.
e. Keep engine atidle and make suresteering fluidhas
reached normaloperating temperature.
f. Pull tie-rod slowlytomove itfrom neutral position to
:l:
11.5
mm
(:l:
0.453 in)atspeed of3.5 mm (0.138 in)/s.Check that
rack sliding forceiswithin specification.

Average racksliding force:
152.0 -240.3 N(15.5 .24.5 kg,34.2.54.0 Ib)
Maximum forcedeviation:
98 N(10 kg,22Ib)

g. Check sliding forceoutside aboverangeatrack speed of40
mm (1.57 in)/s.

Maximum racksliding force:
294 N(30 kg, 66Ib)
Maximum forcedeviation:

147 N(15 kg, 33Ib)

• Ifrack sliding forceisnot within specification, readjustby
repeating adjustment procedurefromthebeginning.

• If
rack sliding forceisstill outofspecification after
readjustment, gearassembly needstobe replaced.

ST-28

POWERSTEERING OILCOOLER
Oil Cooler (Heavy dutykitfor CD20 engine
model)
Removal andInstallation

• Install heavydutykitfor power steering oilcooler asshown
in figure.
• Fill fluid andbleed hydraulic system.RefertoST-7.
• Check fluidleakage andfluid level. Refer toST-6.

Hose
Bulge
Tube
~
3-4 (0.3 -0.4, 26-35)
Details ofpart A

15
mm
3
mm

(0.59 in) (0.12in)orless

.1 I-

30
mm
(1.18
in)
Reservoir
lank

~ 3-4

(0.3 -0.4, 26-35)
~
Enginemounting
/~bracket
\~ ~~eWB~

~•N.m (kg-m, in-Ib)

SST583C

•

ST-33