radiator NISSAN ALMERA N15 1995 Owner's Manual

TROUBLEDIAGNOSES -General Description
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EC-73
•

TROUBLEDIAGNOSIS -General Descrip_tio_n
1s_R_1

Symptom MatrixChart(Cont&#39;d)

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EC-276

ENGINELUBRICATION
&

COOLING SYSTEMS
SECTION
LC
CONTENTS
•

PRECAUTION
2

PREPARATION
3

GA

ENGINE LUBRICATION SYSTEM
5

Lubrication Circuit.. 5
Oil Pressure Check 6
Oil Pump 7
ENGINE COOLING SySTEM 9
Cooling Circuit 9
Water HoseDrawing 10
System Check 12
Water Pump 13
Thermostat 14
Water Outlet 15
Radiator 16
SR
ENGINE LUBRICATION SYSTEM 17
Lubrication Circuit. 17
Oil Pressure Check 17
Oil Pump 18
Oil FiIter 20
ENGINE COOLING SYSTEM 21
Cooling Circuit 21
System Check 21
Cooling SystemInspection 21
Water Pump 22
Thermostat 23
Water Outlet 24
Radiator 25CO
ENGINE LUBRICATION SYSTEM 26
Lubrication Circuit... 26
Oil Pressure Check 27
Oil Pump ,27
Oil Cooler 30
ENGINE COOLING SYSTEM 31
Cooling Circuit 31
System Check 32
Water Pump ,33
Thermostat 34
Radiator 35
GA,SR,CO
ENGINE COOLING SYSTEM 37
Radiator (Aluminum type) 37
GA,SR
SERVICE DATAANDSPECIFICATIONS (SOS)40
Engine Lubrication System(GA) 40
Engine Cooling System(GA) 40
Engine Lubrication System(SR) 40
Engine Cooling System(SR) 40
CO
SERVICE DATAANDSPECIFICATIONS (SOS)41
Engine Lubrication System .41
Engine Cooling System 41

PREPARATION
Engine
Tool number
Description application
Tool name
GASRCD
EG17650301 Adapting
radiator
Radiator captester

~
C~~4b
cap
tester toradia-
adapter

~
tor
filler neck

,
atet? cDJtaa:
28 (1.10) dia.
X
X X

b: 31.4 (1.236) dia.
c: 41.3 (1.626) dia.
NT564
Unit:
mm(in)

KV99103510 Installing
radiator
Radiator plate

~
upper
andlower
pliers A tanks

XX
X

NT224

KV991 03520 Removingradiator
Radiator plate upper
andlower
pliers B

~
tanks

XXX

NT225
LC-4

ENGINECOOLING SYSTEM
Water HoseDrawing
GA14DE andGA16DE withoutVTC
GA 16DE withVTCexcept forAustralia GA15DE
MLC084A

CD
Intake manifold tothermostat
housing-1

@
Intake manifold tothermostat
housing-2
@

Radiator lowerhosetowater
inlet

@
Intake manifold tothrottle body

LC-10
@

Throttle bodytothermostat
housing

ENGINECOOLING SYSTEM
System Check

WARNING: Never remove theradiator capwhen theengine ishot; serious
burns couldbecaused byhigh pressure fluidescaping fromthe
radiator.
Wrap athick cloth around capandcarefUlly loosenita quarter
turn torelease built-uppressure. Thenremove thecap com-
pletely.

CHECKING COOLINGSYSTEMHOSES

Check hosesforimproper attachment, leaks,cracks, damage,
loose connections, chafinganddeterioration.

CHECKING RADIATORCAP

To check radiator cap,apply pressure tocap with atester.
Radiator caprelief pressure:
Standard
78 -98 kPa
(0.78 -0.98 bar,0.8-1.0 kg/cm
2,
11-14 psi)
Limit
59 -98 kPa
(0.59 -0.98 bar,0.6-1.0 kg/cm
2,
9-14 psi)

SLC613-A
Pullthenegative pressure valvetoopen it.Check thatitcloses
completely whenreleased.

CHECKING COOLINGSYSTEMFORLEAKS

To check forleakage, applypressure tothe cooling systemwith
a tester.
Testing pressure:
157 kPa (1.57 bar,1.6kg/cm
2,
23psi)
CAUTION: Higher thanthespecified pressure maycause radiator damage.

SLC422A LC-12

ENGINECOOLING SYSTEM

IiJ
6.28 -8.34 (0.641 -0.851, 55.6-73.8)

SEC.
210 Water
Pump

~ 6.28 -8.34 (0.641 -0.851, 55.6-73.8)

WaterpumppUlley
l

~Liquid gasket
~ N.m(kg-m, in-Ib)

SLC989AB
•

CAUTION:
• When removing waterpumpassembly, becareful nottoget
coolant ontiming chain.
• Water pumpcannot bedisassembled andshould be
replaced asaunit.
• After installing waterpump, connect hoseandclamp
securely, thencheck forleaks using radiator captester.
REMOVAL
1. Drain coolant fromradiator andcylinder block.
2. Remove drivebeltsforcompressor, powersteering pump
and alternator.
3. Remove waterpumppulley.
4. Remove waterpump.

INSPECTION
1. Check bodyassembly forrust orcorrosion.
2. Check forrough operation duetoexcessive endplay.

SLC162A LC-13

SEC.214

10

~ :N.m (kg-m, in-Ib)
ENGINE
COOLING SYSTEM
Radiator

~~ 3.7.5.0(0.38-0.51, 33.0•44.3)
~~ 3.8.4.5 (0.39 •0.46, 33.9.39.9)

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SLC991AB

G)
Reservoir tank

@
Reservoir tankbracket

@
Radiator cap

@
Mounting bracket

@
Upper hose
@

Washer

(J)
Drain plug

@
Mounting rubber

@
Oilcooler hose(AfTmodels)
@l

Radiator

@
Lower hose

@
Cooling fan

@
Cooling fanmotor

Cooling fancontrol system

• Cooling fansarecontrolled bythe ECM. Fordetails, referto
EC section (&#34;Cooling FanControl&#34;, &#34;TROUBLE DIAG-
NOSES&#34;).

Refilling enginecoolant

• For details onrefilling enginecoolant, refertoMA section
(&#34;REFILLING ENGINECOOLANT&#34;, &#34;ChangingEngine
Coolant&#34;).

LC-16

ENGINECOOLING SYSTEM

Water outlet
Cooling
Circuit

•:Thermostat open

o :
Thermostat closed

- ~.=-~:: --_-_-_-~ ~~
=1
Reservoir tank
I

SLC043B

System Check
WARNING: Never remove theradiator capwhen theengine ishot; serious
burns couldbecaused byhigh pressure fluidescaping fromthe
radiator.
Wrap athick cloth around thecap andcarefUlly removeitby
turning ita quarter turntoallow built-up pressure toescape
and then turnthecap allthe way off.
Cooling SystemInspection

CHECKING HOSES

Check waterhoses forproper attachment, leaks,cracks,
damage, looseconnections, chafinganddeterioration.

CHECKING RADIATORCAP

To check radiator cap,apply pressure tocap with atester.
Radiator caprelief pressure:
Standard

SLC613-A
78•98 kPa
(0.78 -0.98 bar,0.8-1.0 kg/cm
2,
11-14 psi)
Limit 59 -98 kPa
(0.59 -0.98 bar,0.6-1.0 kg/cm
2,
9-14 psi)

LC-21
•

A16-21
N.m ~/
(1.6 •2.1 kg-m,
12 -15
ft.lb)
ENGINE
COOLING SYSTEM

Cooling SystemInspection (Cont&#39;d)

Pull thenegative pressure valvetoopen it.
Check thatitcloses completely whenreleased.

CHECKING COOLINGSYSTEMFORLEAKS

To check forleakage, applypressure tothe cooling systemwith
a tester.
Testing pressure:
157 kPa (1.57 bar,1.6kg/cm
2,
23psi)
CAUTION:
Higher thanthespecified pressuremaycause radiator damage.

Water Pump
REMOVAL
1. Drain coolant fromradiator.
2. Remove cylinderblockdrain pluglocated atleft front of
cylinder blockanddrain coolant.
3. Remove frontRHwheel andengine sidecover.
4. Remove drivebelts.
5. Remove frontengine mounting.
6. Remove waterpump.
CAUTION:
• When removing waterpumpassembly, becareful nottoget
coolant ondrive belt.
• Water pumpcannot bedisassembled andshould be
replaced asaunit.
• After installing -waterpump, connect hoseandclamp
securely, thencheck forleaks using radiator captester.

INSPECTION
1. Check bodyassembly forrust orcorrosion.
2. Check forrough operation duetoexcessive endplay.

SLC408C LC-22