NISSAN ALMERA N15 1995 Service Manual

g
16
mm

(0.63
In)
Wrench
withamagnet
to hold spark plug
ENGINE
MAINTENANCE
lliJ

Changing SparkPlugs(Platinum-tipped type)
(Cont'd)

2. Remove sparkplugswithsuitable sparkplugwrench.

Spark plug:

Make NGK

•

Standard
type
PFR5B-11
Alternative PFR6B-11
PFR7B-11

SMA294A
Do
not
gap •
Donot use awire brush forcleaning.

• If
plug tipiscovered withcarbon, sparkplugcleaner may
be used.
Cleaner airpressure:
Less than588kPa (5.9bar, 6kg/cm
2,
85psi)
Cleaning time:
Less than20seconds
• Checking andadjusting pluggaparenotrequired between
change intervals.

3. Install sparkplugsReconnect ignitionwiresaccording to
numbers. indicatedonthem.

Spark plug:
~: 20-29 N'm (2.0-3.0 kg-m, 14-22 ft-Ib)
SMA806C Checking IgnitionWires

1. Inspect wiresforcracks, damage, burnedterminals andfor
improper fit.
2. Measure theresistance ofwires andcheck forintermittent
breaks.

Resistance:
SMA813C
Cylinder
No.

2

3

4
Resistance
kQ[at25°C (77°F)]
Approximately 11
Approximately 9.5
Approximately 8
Approximately 7

If itexceeds thelimit, replace theignition wirewithanew one.

MA-35

ENGINEMAINTENANCE
Checking EVAPVapor
&
Purge Lines

1. Visually inspectEVAP
vapor
andpurge linesforimproper
attachment andforcracks, damage, looseconnections,
chafing anddeterioration.
2. Inspect vacuum reliefvalve offuel tank filler capfor
clogging, sticking,etc.

Refer toEVAPORATIVE EMISSIONSYSTEMinEC section.
MA-36

ENGINEMAINTENANCE
SEF051PA SEF909P
*

NO FAIL
D

Malfunction indicator

lamp
•

Checking
HeatedOxygen Sensor(H02S)
Checking procedure

INSPECTION START

1

Start engine andwarm itup until water
temperature indicatorpointstothe mid-
dle ofgauge.

m(;]ri
1

00
1.
See "M/R F/CMNT" in"Data
monitor" mode.
2. Run engine atabout 2,000rpm
for about 2minutes under
no-load.
3. Maintaining engineat2,000
rpm under no-load (engine is
warmed upsufficiently.),
check thatthemonitor fluctu-
ates between "LEAN"and
"RICH" morethan5times
during 10seconds.

1 time RICH
-4
LEAN
-4

RICH
-4

2
times RICH

-4
LEAN
-4

RICH
-4
LEAN
-4

RICH ......

OR

@
1.
Set "Heated oxygensensor
monitor" inthe Diagnostic test
mode II.
(Refer toEC section)
2. Run engine atabout 2,000rpm
for about 2minutes under
no-load.
3. Maintaining
engineat2,000
rpm under no-load, checkto
make surethatmalfunction
indicator lamp~nthe instru-
ment panel goesONand OFF
more than5times during 10
seconds.
OK NG

.
Check
andadjustment
should bemade byrefer-
ring toIDLE SPEEDI
INSPECTION END
IGNITIONTIMING/IDLE
MIXTURE RATIOINSPEC-
TION inEC section
2000rpm
RICH

\ I/

........ e./

- CHECK-

./
........

/ I\

CMPS.RPM
(REF)
M/R FICMNT

*

MONITOR

__ R_E_C_O_R_D __
I

MEC711B

~~~~:?~;~
~~r

l~~~~V
-~~

Data linkconnector forCONSULT
(Connect CHKandIGN terminals
with asuitable harness.)

MA-37

ENGINEMAINTENANCE

Air conditioner
compressor
SMA442C
AMA054 Manifold
NutCheck

1. Remove exhaustmanifold cover.
2. Tighten manifold boltsandnuts tothe specified torque.
Refer to"SERVICE DATAANDSPECIFICATIONS (SOS)".
3. Install exhaust manifold cover.

Checking DriveBelt

WARNING:
Inspect drivebeltdeflections whenengine iscold. When engine
is hot, check deflections atleast 30minutes afterengine has
been switched off.

1. Inspect beltsforcracks, fraying, wearoroil adhesion. If
necessary, replacewithnewones.
2. Inspect drivebeltdeflections bypushing onthe belt midway
between pulleys.
3. Adjust belt
deflection
if
it
exceeds thelimit.

Belt deflection:

Unit:mm(in)
Used beltdeflection
Deflectionofnew
Limit Deflection
after
belt
adjustment
Alternator 14(0.55) 11
-13 9-11
(0.43 -051) (0.35-0.43)
Air conditioner
14(0.55) 11
-13
9-11
compressor (0.43-051) (0.35-0.43)
Power steering oil
8(0.31) 5-7 (0.20 -0.28) 4-6 (0.16 -0.24)
pump
Water pump
without power

-
8(0.31) 6(0.24)
steering
Applied pushing
98N(10 kg,22Ib)
force

Inspect drivebeltdeflections whenengine iscold.
Changing EngineCoolant

WARNING:

To avoid thedanger ofbeing scalded, neverattempt tochange
the coolant whentheengine ishot.

1. Set heater "TEMP" controldialtothe max. "HOT" position.

• Make surethatairconditioner switchis"OFF".
MA-38

ENGINEMAINTENANCE
@[]

Changing EngineCoolant (Cont'd)

2. Open drainplugs onthe bottom rightofradiator andonthe
left side ofcylinder block.
3. Remove radiatorcapand drain coolant.
4. Close drainplugs andfillradiator withwater uptofiller •
neck. •
5. Warm upengine andrepeat steps2,3and 4one ortwo
times todrain oldcoolant.

Drain plug(Radiator)

6.Open airbleeder onintake manifold.
7. Fill radiator withcoolant uptofiller neck.
Follow instructions attachedtoanti-freeze containerforanti-
freeze towater mixing ratio.

Pour coolant slowlytoallow airinsystem toescape.
Coolant capacity:

Regarding theAnti-freeze CoolantMixtureRatio,referto"REC-
OMMENDED FLUIDSANDLUBRICANTS".
8. Securely closeairbleeder.
9. Fill reservoir tankwithcoolant upto"MAX" level.
10. Warm upengine atabout 2,000rpmtonormal operating
temperature.
11. Stop engine andallow
it
to cool.
12. Check coolant levelandrefill reservoir tankifnecessary.

• Clean excess coolant fromengine.

MAX.

MIN.

SMA412B
With
heater
Without heater
5.2
(4-5/8)
4.9 (4-3/8)
Unit:
C(Imp qt)

Water outlet
SLC053B CAUTION:
When heater unitisremoved orreplaced, refillengine coolant
as shown, removing heaterhoseatfeeding connector on
engine.
MA-39

ENGINEMAINTENANCE
Checking CoolingSystem
HOSE ANDCLAMP CHECK

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

CHECKING COOLINGSYSTEMFORLEAKS

Apply pressure tothe cooling systemwithcaptester tocheck
for leakage.

Testing pressure:

157
kPa
(1.57
bar,
1.6
kg/cm
2,
23psi)
CAUTION: Use ofhigher pressure thanthatspecified valuemaycause
damage toradiator.
CHECKING
RADIATORCAP

1. Check reliefpressure withcaptester.

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)

Replace radiatorcapifpressure isnot within thespecified

SLC613-A
values.
2. Pull thenegative-pressure valvetoopen it,and check that
it closes completely whenreleased.

Hose adapter
SMA990A
SMA803A Checking
FuelLine

Inspect fuellines andtank forimproper attachment, leaks,
cracks, damage, looseconnections, chafinganddeterioration.
If necessary, repairorreplace malfunctioning parts.

MA-40

ENGINEMAINTENANCE
Changing AirCleaner Filter

The viscous papertypeaircleaner filterdoes notrequire any
cleaning operation betweenrenewals.

Water Draining, FuelFilter Check and
Replacement
DRAINING WATER

Open drainvalve atthe bottom offuel filter.

FUEL FILTER CHECK

Check fuelfilter forfuel leakage, damageandother abnormal
signs.
•

SMA794C REPLACING FUELFILTER

1. Disconnect watersensor connector andreplace fuelfilter
with anew one.

Hand-tighten fuelfilter byabout 2/3turn after O-ring touches
mounting surface.Followtheinstructions onfuel filter.

2. Connect watersensor connector andbleed fuelsystem.

FUEL SYSTEM AIRBLEEDING

1. Move priming pumpupand down until
there issuddenly
more resistance inthe movement. Thenstopthisaction and
start theengine.

2. Ifengine doesnotoperate smoothly afterbeing started,
race ittwo orthree times.

When refilling empty-fueltank, bleed airout offuel system.
Changing EngineOil

WARNING:

• Becareful nottoburn yourself, asengine oilishot.
• Prolonged andrepeated contactwithused engine oilmay
cause skincancer; trytoavoid direct skincontact withused
oil. Ifskin contact ismade, washthoroughly withsoap or
hand cleaner assoon aspossible.

1. Warm upengine, andcheck foroilleakage fromengine
components.
2. Remove oildrain pluganddrain oil.

MA-41

ENGINEMAINTENANCE
Changing EngineOil(Cont'd)

3. Tighten oildrain plug.
4. Fillwith engine oil.

Oil refill capacity:
Without oilfilter
4.6 C(4 Imp qt)
With oilfilter
5.1 C
(4-1/2
Impqt)
• Use recommended engineoil"API CD"with suitable vis-
cosity.

5. Confirm oillevel andwarm upengine.
6. Recheck oillevel andadjust itto "H" level ifnecessary.

Refill oiltothis
"H" level.
Do not overfill.

SMA822C
Changing EngineOilFilter

1. Remove oilfilter withTool.

WARNING:

Be careful nottoburn yourself, asengine andengine oilare
hot.
SMA412C
SMA167B
2.Before installing newoilfilter, wipeclean oilfilter mounting
surface oncylinder block,andapply alittle engine oilto
rubber sealofoil filter.

SMA010 MA-42

2/3
ofaturn
ENGINE
MAINTENANCE @Q]
Changing EngineOilFilter (Cont'd)

3. Screw oilfilter onuntil aslight resistance isfelt, then tighten
an additional 2/3turn.
4. Warm upengine andcheck oillevel.
5. Adjust oillevel ifnecessary. •

Refer toStep 4in "Changing EngineOil",MA-42.
i

• Clean excess oilfrom engine.
SMA229B Checking InjectionNozzle

1. Remove injection deliverytubesandfuel spill tube.
2. Remove nozzlewithasuitable tool[span 27mm (1.06 in)].

WARNING:
When usingnozzle tester,becareful nottoallow diesel fuel
sprayed fromnozzle tocome intocontact withyour hand or
body, andmake surethatyour eyes areproperly protected.

3. Clean andcheck nozzles.
4. Install nozzle toinjection nozzletesterandbleed airfrom
flare nut.
5. Check initialinjection pressure bypumping testerhandle
one time persecond.

EF791A
6.Install injector topressure tester.
7. Check initialinjection pressure bypumping testerhandle
slowly (onetime persecond).

Injection pressure:
12,749 kPa(127.5 bar,130kg/cm
2,
1,849psi)
• Always checkinitialinjection pressure beforeinstalling new
nozzle.

Good
\

I

,
,

I

Wrong SEF672A

8.Check fuelspray pattern bypumping testerhandle quickly
(4 or 6times persecond).
9. Ifinitial injection pressure orinjection nozzleisnot normal,
adjust orclean injection nozzleorreplace it.

Refer toEC section forinjection pressure adjustment.

10. Install allinjection nozzlesandsecurely connectfuelspill
tube anddelivery tubes.
11. Bleed airfrom fuelsystem andcheck forfuel leakage with
engine running.

EF794A
MA.43

ENGINEMAINTENANCE
Checking InjectionNozzle(Cont'd)
Nozzle side
Combustion
chamber side
SEF668A Checking IdleSpeed
PREPARATION
1: Make surethatinjection timingiscorrect.
2. Make surethatinjection nozzlesareingood condition.
3. Make surethatthefollowing partsareingood condition.
• Air cleaner clogging
• Glow system
• Engine oiland coolant levels
• Air intake system (Oilfiller cap,oillevel gauge, etc.)
4. Set shift lever in"Neutral" position.Engageparkingbrake
and lock both front andrear wheels withwheel chocks.
5. Turn offair conditioner, lightsandaccessories.
6. Warm upengine tonormal operating temperature.
7. Attach adiesel tachotester.
8. Race engine twoorthree times andcheck idlespeed.

Idle speed (M/T):
700~go rprn

9.
If
itis out ofspecification, adjustidlespeed withidlespeed
adjusting screw.

Securely locktheadjusting screwwithlock nut.
Idle speed
adjusting screw
Fuel injection pump
SMA420C
Replacing TimingBelt
Refer to"TIMING BELT"inEM section.
MA-44