1995 NISSAN ALMERA N15 fuel pressure

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
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

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.
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• 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
\

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,
,

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