1995 NISSAN ALMERA N15 pcv

POSITIVECRANKCASE VENTILATION
Description
intothecrankcase. Inthis process theairpasses
through thehose connecting airinlet tubes to
rocker cover.
Under full-throttle condition,themanifold vacuum
is insufficient todraw theblow-by flowthrough
the valve. Theflow goes through thehose con-
nection inthe reverse direction.
On vehicles withanexcessively highblow-by, the
valve doesnotmeet therequirement. Thisis
because someofthe flow willgothrough the
hose connection tothe intake manifold collector
under allconditions.
This
system returnsblow-by gastothe intake
manifold collector.
The positive crankcase ventilation (peV)valveis
provided toconduct crankcase blow-bygastothe
intake manifold.
During partialthrottle operation ofthe engine, the
intake manifold suckstheblow-by gasthrough
the
pev
valve.
Normally, thecapacity ofthe valve issufficient to
handle anyblow-by andasmall amount ofventi-
lating air.
The ventilating airisthen drawn fromtheairduct

•

SEF127R

Q:

Fresh air
• :Blow-by gas
PCV
valve
operation

Engine notrunning
Cruising
or backfiring
~~ .~
Idling or Acceleration
decelerating or
high load
-~ .~

..

Acceleration
orhigh load
Acceleration
orhigh load
pcv valve
Filter
For
Europe andIsrael, andGA15DE
Cruising
GA16DE exceptforEurope andIsrael
Cruising
EC-31

POSITIVECRANKCASE VENTILATION
Inspection
PCV (Positive Crankcase Ventilation) VALVE

With engine running atidle, remove PCVvalve fromrocker
cover. Aproperly workingvalvemakes ahissing noiseasair
passes through it.Astrong vacuum shouldbefelt immediately
when afinger isplaced overthevalve inlet.

AEC904 PCVHOSE

1. Check hosesandhose connections forleaks.
2. Disconnect allhoses andclean withcompressed air.Ifany
hose cannot befreed ofobstructions, replace.

ET277
EC-32

POSITIVECRANKCASE VENTILATION
Description

This system returnsblow-by gastothe intake
manifold collector.
The positive crankcase ventilation (PCV)valveis
provided toconduct crankcase blow-bygastothe
intake manifold.
During partialthrottle operation ofthe engine, the
intake manifold suckstheblow-by gasthrough
the
pev
valve.
Normally, thecapacity ofthe valve issufficient to
handle anyblow-by andasmall amount ofventi-
lating air.
The ventilating airisthen drawn fromtheairduct into
thecrankcase. Inthis process theairpasses
through thehose connecting airinlet tubes to
rocker cover.
Under full-throttle condition,themanifold vacuum
is insufficient todraw theblow-by flowthrough
the valve. Theflow goes through thehose con-
nection inthe reverse direction.
On vehicles withanexcessively highblow-by, the
valve doesnotmeet therequirement. Thisis
because someofthe flow willgothrough the
hose connection tothe intake manifold collector
under allconditions.

Oil separator

q
Freshair
.. Blow-by gas

ct>
Blow-by gasduring
high-load operation Baffle
plate
PCV
valve operation

Engine notrunning
or backfiring Cruising

~~
.0

Idling or Acceleration
or
decelerating high
load

-~--
.~
AEC923
Inspection
PCV (Positive Crankcase Ventilation)

With engine running atidle, remove PCVvalve fromrocker
cover. Aproperly workingvalvemakes ahissing noiseasair
passes through it.Astrong vacuum shouldbefelt immediately
when afinger isplaced overthevalve inlet.

AEC911 VENTILATION HOSE

1. Check hosesandhose connections forleaks.
2. Disconnect allhoses andclean withcompressed air.Ifany
hose cannot befreed ofobstructions, replace.

ET277 EC-240

OUTERCOMPONENT PARTS

•

SEM231F

SEC.
130-140-150-210-211-221

~ __to:J
13•16 (1.3 -1.6, 9.12)

to:J
16•21 (1.6. 2.1,12. 15)
to:J

20•29

(2.0 •3.0,

14 .22)

to:J
41-52 (4.2 -5.3, 30-38)

~---- D_?

. 'J ~

~~~ 0
-t::;-.....~ /,
0

to:J
21-26 ./"

(2.1. 2.7, ,./"~/'
12 -1~)
fs\
19-~~7

~ to:J
16•21
Q

to:J
18. 21 ,
to:J
45_60 (1.6-2.1, 0
Ii]
6.3 _8.3
(1.8 •2.1, (4.6•6.1, 12•15)
1
(0.64•0.85,

to:J
16•19 13-15)
to:J
16•21 33•44)
(1.6 -1.9, (1.6-2.1,
to:J
16•21

12 -14)

12•15)

t"J
16•,.
f"-~
t"J
15•21
r::!
*
H
...----4lJ

~~'. '1~
J
r \~ ~~'..,:;
1,
~Q.
/¥i-;:
--'Il

1il3.7 -5.0
J~
--A)
to:J
16-21
~11V>/

(0.38 _0.51, A~ - (1.6.2.1,12•15)\...,//
~to:J
20.29(2.0-3.0, 14-22)
33.0 •44.3)
Y
&'/-
:f~l
to:J
20•26 (2.0 •2.7, 14-20)

to:J :
N'm (kg-m, fl-Ib)
to:J
16-21 (1.6 -2.1, 12-15)~/

Ii] :
N'm (kg-m, in-Ib) •

~ :Apply
liquidgasket.
*:
Refer toLC section
("Thermostat", "ENGINECOOLING SYSTEM").

G)
Oilfiller cap
@

Oilcatcher
@

Thermostat

@
Rocker cover
@

Oilfilter
@

Water inlet

@
PCVvalve
@

Water pipeassembly
@

Starter motor

@
Camshaft
positionsensor,igni-
@

Thermal transmitter
@

Power steering oilpump
tion coiland power transistor

@
Engine coolant temperature adjusting
bar
built intodistributor
sensor
@

Power
steering oilpump

@
Intake manifold supports

@
Thermostat housing bracket

@
Knock sensor

@
Airrelief plug

rJ)
Oilfilter bracket

EM-59

SECTION

CONTENTS
MAINTENANCE

MA
•

PRECAUTIONS ANDPREPARATION
3

Supplemental RestraintSystem(SRS)"AIR
BAG" (DualAirBag System) 3
Supplemental RestraintSystem(SRS)"AIR
BAG" (Single AirBag System) 3
Special Service Tools 4
Commercial ServiceTool 4

PRE-DELIVERY INSPECTIONITEMS
5

GENERAL MAINTENANCE 6
PERIODIC MAINTENANCE (Exceptfor
Europe) 7
Engine andEmission ControlService 7
Chassis andBody Service 8
Maintenance UnderSevere DrivingConditions 9

PERIODIC MAINTENANCE (ForEurope) 10

Engine Oil
&
Minor Service 10
Engine andEmission ControlService 11
Chassis andBody Services 12
Maintenance UnderSevere Driving Conditions 13

RECOMMENDED LUBRICANTSANDFLUIDS 14

Lubricants andFluids 14
SAE Viscosity Number 15
Anti-freeze CoolantMixtureRatio 16

~ --ll
GA
I I

ENGINE MAINTENANCE 17

Checking DriveBelts 17
Changing EngineCoolant... 19
Checking CoolingSystem 21
Checking FuelLines 22
Changing FuelFilter 22
Cleaning andChanging AirCleaner Filter 23
Changing EngineOil 24
Changing OilFilter 24
Checking andChanging SparkPlugs 25
Checking IgnitionWires 26Changing
PositiveCrankcase Ventilation
(PCV) Filter 26
Checking EVAPVapor Lines 26
Checking OxygenSensor(02S)orHeated
Oxygen Sensor(H02S) 27

~ --ll
SR
I I

ENGINE MAINTENANCE 28

Checking DriveBelts 28
Changing EngineCoolant... 29
Checking CoolingSystem 31
Checking FuelLines 32
Changing FuelFilter 32
Changing AirCleaner Filter 33
Changing EngineOil 33
Changing OilFilter 34
Changing SparkPlugs(Platinum-tipped type)34
Checking IgnitionWires 35
Checking EVAPVapor
&
Purge Lines 36
Checking HeatedOxygen Sensor(H02S) 37

~_~ ..-JI
CD
I I

ENGINE MAINTENANCE
38
Manifold NutCheck 38
Checking DriveBelt 38
Changing EngineCoolant. 38
Checking CoolingSystem .40
Checking FuelLine .40
Changing AirCleaner Filter 41
Water Draining, FuelFilter Check and
Replacement 41
Changing EngineOil .41
Changing EngineOilFilter 42
Checking InjectionNozzle 43
Checking IdleSpeed .44
Replacing TimingBelt 44

PERIODICMAINTENANCE (ExceptforEurope)

The following tablesshowthenormal maintenance schedule.Depending uponweather andatmospheric
conditions, varyingroadsurfaces, individual drivinghabitsandvehicle usage,additional ormore fre-
quent maintenance mayberequired.

Periodic maintenance beyondthelast period shown onthe tables requires similarmaintenance .
Engine andEmission ControlService

•

Abbreviations: I
=
Inspect andcorrect orreplace asnecessary. R

MAINTENANCE OPERATION

Perform eitheratnumber ofkilometers (miles)
or months, whichever comestirst. km
x1,000
(Miles x1,000)
Months
Replace.
A
=
Adjust, C
=
Clean.

MAINTENANCE INTERVAL
10 20 3040
506070
80
Reference page
(6) (12) (18)
(24)(30)(36)(42)(48)
6 12 18
24
3036
42 48
Underhood andunder vehicle GA
SR
Intake
&
exhaust valveclearance (GA15DE
&
GA16DE engines) SeeNOTE (1)
EM41
-

Drive belts
II
MA 17
24
Engine anti-Ireeze coolant(Ethylene glycolbase)(LLC) RRMA 1929
Engine coolant (Softwater) RRR
R

R R

R
RMA
1929
Cooling system
I
I

I
I
MA 2131
Fuel lines
I
I
MA
22
32
Air cleaner filter(Drypaper type)*
CC
C RC CC RMA 23

-

Air cleaner filter(Viscous papertype)* R
RMA
2333
Engine oil(Use APISE,SF.SGorSH oil)*
R

RRRR R
RR
MA 24
33
Engine oilfilter* R
R R
R
R RRRMA
2433
Fuel filter* R
RMA
22
32
Spark plugs(except Platinum-tipped type) R
RMA
25

-

Spark plugs(platinum-tipped type) Replaceevery100,000 km(60.000 miles). MA

-
34
Ignition wires
I

I
MA
2635
PCV filter* R
RMA
26

-

Vapor lines
I

I
MA
26
36
(Heated) OxygenSensor
I

I

MA 2737
NOTE: (1)
If
valve noiseincreases, checkvalveclearance.

*
Maintenance itemswith
"*"
should beperformed morefrequently accordingto"Maintenance undersevere driv-
ing conditions".

MA-7

PERIODICMAINTENANCE (ExceptforEurope)
Maintenance UnderSevere DrivingConditions

The maintenance intervalsshownonthe preceding pagesarefornormal operating conditions. Ifthe
vehicle ismainly operated undersevere drivingconditions asshown below, morefrequent maintenance •
must beperformed onthe following itemsasshown inthe table. •

SEVERE DRIVING CONDITIONS

A -Driving underdustyconditions
B -Driving repeatedly shortdistances
C -Towing atrailer orcaravan
D -Extensive idling
E -Driving inextremely adverseweather con-
ditions orinareas where ambient temper-
atures areeither extremely lowor
extremely high F
-Driving inhigh humidity areasorinmoun-
tainous areas
G -Driving inareas usingsaltorother corro-
sive materials
H -Driving onrough and/or muddy roadsorin
the desert
- Driving withfrequent useofbraking orin
mountainous areas
Driving
condition Maintenance
item Maintenance
operation Maintenance
interval Reference
page
GA
SR

A Aircleaner filter
Dry paper type
Clean MA
23
-

All types ReplaceMorefrequently MA
2333
PCV filter Replace MA26
-

A BC D
Engineoil
&
oil filter ReplaceEvery
5,000km
MA2424
(3,000 miles) or3months
A E Fuel
filter Replace
Every20,000 km MA
2232
F Brakefluid Replace(12,000
miles)or12 months
MA-47
C
H
Automatic

&
manual transaxle Replace Every40,000 km
MA-46,45
oil (24,000
miles)or24 months
G
H
Steering
gear
&
linkage, axle
&
Check
Every10,000 km MA-50
suspension parts
&
drive shafts
(6,000miles) or6months FA-5,
7
RA-4
A C G
H

I
Brake pads,discs
&
other brake Check Every
5,000km
MA-48
components (3,000
miles) or3months
A C
G
H

1
Brake
linings, drums
&
other
Check Every
10,000 km
MA-49
brake components (6,000
miles) or6months
G Lock,
hinges
&
hood latch Lubricate
Every5,000km
MA-51
(3,000 miles) or3months
Maintenance operation:Check
=
Check. Correct orreplace
if
necessary.

MA-9

PERIODICMAINTENANCE (ForEurope)
Engine andEmission ControlService

Abbreviations: I
=
Inspect andcorrect orreplace asnecessary,
R

MAINTENANCE OPERATION

MAINTENANCEINTERVAL

60 90

(36) (54)

Perform
eitheratnumber ofkilometers (miles)
or months, whichever comesfirst. km
x1,000
(Miles x1,000)
Months
Replace,

30
(18)
12 24

36120

(72) 48
Reference
page

•

Underhood andunder vehicle
GA
CD
Engine anti-freeze cootant(Ethylene glycolbase)(LLC)
SeeNOTE (1)
RMA-19
MA-38
Cooling system

I
I

I
I
MA-21 MA-40
Fuel lines
I
I
MA-22
MA-40
Air cleaner filter(Viscous papertype)*
RRMA-23 MA-41
Intake
&
exhaust valveclearance
SeeNOTE (2) EM-41

-

w
Drive
belts
SeeNOTE (3) I

I
I
MA-17,18

-

z

Ci
Fuel
filter* RMA-22

-

z
w
Spark plugs
SeeNOTE (4)
RR
RRMA-25

-

w
z
Ignition wires'
IMA-26

:::;
-

0

(fJ
PCVfilter* RRMA-26

-

<{

Cl
Vapor lines(Hoses, connections, etc.)
SeeNOTE (5) IIMA-26

-

(Heated) oxygensensor'
I
IMA-27

-

Fuel filter
RR

-
MA-41

--,w
wz
Nozzles SeeNOTE (6)

-
MA-43

(fJ-

wCl
-z
EM-120,

Ow

Timing beltsforcamshalt andinjection pump Replaceevery90,000 km(54,000 miles)

-

124
'. Except forSwedish models

NOTE: (1)Replace atthe first 90,000 km(54,000 miles)or60 months, thenevery 60,000 km(36,000 miles)or24 months, which-
ever comes first.
(2)
If
valve noise Increases, checkvalveclearance.
(3) After 60,000 km(36,000 miles)or24 months, inspectevery30,000 km(18,000 miles)or12 months, whichever comes
first.
(4) For Swedish models,performalmileage intervalonly.
(5) For Swedish models,inspectalthe first 90,000 km(54,000 miles),andthen every 60,000 km(36,000 miles)or24
months, whichever comesfirst.
(6)
If
engine powerdecreases, blacksmoke isemitted orengine noiseincreases, checkand,ifnecessary, adjustthe
fuel injection nozzle'sstartingpressure andthefuel spray pattern.

*
Maintenance itemswith
"*"
should beperformed morefrequently accordingto"Maintenance UnderSevere Driv-
ing Conditions".
MA-11