engine NISSAN ALMERA N15 1995 Service Manual

ENGINEMAINTENANCE [][]

Checking CoolingSystem(Cont'd)

Pull thenegative-pressure valvetoopen it.Check thatitcloses
completely whenreleased.

CHECKING COOLINGSYSTEMFORLEAKS

Apply pressure tothe cooling systemwithcaptester tocheck
f~r leakage.
Testing pressure:
157 kPa (1.57 bar,1.6kg/cm
2,
23psi)

CAUTION:

Higher pressure thanthespecified valuemaycause damage to
radiator.

SMA811C
SMA803A
Checking
FuelLines

Inspect fuellines andtank forimproper attachment, leaks,
cracks, damage, looseconnections, chafingordeterioration.
If necessary, repairorreplace faultyparts.

3 (0.12) Unit:mm(in)

_._-- --,"'~'r---1

"
,

-
-
---;--,
-,---

•• J..
_J- __

28 (1.10)

~ Fuel hose clamps

1.0 -1.5 N.m
(0.10 -0.15 kg-m,
8.7 -13.0 in-Ib)

MMA104A
• FUEL PRESRELEASE.
0

FUEL PUMP WILLSTOP BY
TOUCHING STARTDURING
IDLE_
CRANK AFEW TIMES AFTER
ENGINE STALL.

---S-T~-RT--
SEF823KCAUTION:

Tighten high-pressure rubberhoseclamp sothat clamp endis
3 mm (0.12 in)from hose end.
Tightening torquespecifications arethesame forallrubber
hose clamps.
Ensure thatscrew doesnotcontact adjacent parts.

Changing FuelFilter

WARNING:
Before removing fuelfilter, release fuelpressure fromfuelline
to eliminate danger.

rF.i\
1.Start engine.
~ 2.Perform "FUELPRESSURE RELEASE"in"WORK
SUPPORT" modewithCONSULT.
3. After engine stalls,crankengine twoorthree times
to make surethatfuel pressure isreleased.
4. Turn ignition switchoff.

MA-32

ENGINEMAINTENANCE ~
Changing FuelFilter (Cont'd)

~ 1.Remove fuseforfuel pump.
~ 2.Start engine.
3. After engine stalls,crankengine twoorthree times
to make surethatfuel pressure isreleased. •
4. Turn ignition switchoffand install fuseforfuel pump.
i

Unit: C(Imp qt)

SMA790C

5.Loosen fuelhose clamps.
6. Replace fuelfilter.

• Becareful nottospill fuelover engine compartment. Place
a shop towel toabsorb fuel.
• Use ahigh-pressure typefuelfilter. Donot use asynthetic
resinous fuelfilter.
• When tightening fuelhose clamps, referto"Checking Fuel
Lines" .
Changing AirCleaner Filter
Viscous papertype
The viscous papertypefilter does notneed cleaning between
renewals.
Changing EngineOil
WARNING:
• Becareful nottoburn yourself, asthe engine oilishot.
• Prolonged andrepeated contactwithused engine oilmay
cause skincancer; trytoavoid direct skincontact withused
oil. Ifskin contact ismade, washthoroughly withsoap or
hand cleaner as$oon aspossible.

1. Warm upengine, andcheck foroilleakage fromengine
components.
2. Remove drainplugandoilfiller cap.
3. Drain oiland refill withnewengine oil.

Refill oilcapacity (Approximate):

With oilfilter change
Without oilfilter change
3.4
(3)

3.2 (2-7/8)

CAUTION: • Besure toclean drainplugandinstClili withnewwasher.
Drain plug:
~: 29-39 N'm (3.0
0
4.0 kg-m, 22-29 ftolb)
• Use recommended engineoil(API SE,SF,SGorSH grade).
The refill capacity changes depending onthe oiltemperature
and drain time,usethese values asareference andbecertain
to check withthedipstick whenchanging theoil.
MA-33

ENGINEMAINTENANCE [}[]
Changing EngineOil(Cont'd)

4. Check oillevel.
5. Start engine andcheck areaaround drainplugandoilfilter
for oilleakage.
6. Run engine forafew minutes, thenturnitoff. After several
minutes, checkoillevel.

Refill oil10this

"H" level.
Do not overfill.

SMA390C
Changing OilFilter

1. Remove oilfilter withTool.

WARNING:
Be careful nottoburn yourself, asthe engine andtheengine
oil are hot.

2. Clean oilfilter mounting surfaceoncylinder block.Coat
rubber sealofnew oilfilter withengine oil.

2/3
ofaturn

-------
OK SMA010

3.Screw inthe oilfilter untilaslight resistance isfelt, then
tighten anadditional 2/3turn.
4. Add engine oil.

Refer toChanging EngineOil.
• Clean excess oilfrom engine.
Changing SparkPlugs(Platinum-tipped type)

1. Disconnect ignitionwiresfromspark plugsatboot. Donot
pull onthe wire.

MA-34

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