check engine light DATSUN 210 1979 Service Manual

sion

pressure
chances
are

that

piston

rings
are

worn
or
damaged

2

If

pressure
stays
low

the
likeli

hood
is
that
valve
is

sticking
or

seating
Engine
Tune

up

improperly

3

If

cylinder
compression
in

any

two

adjacent
cylinders
is
low

and
if

adding
oil
does
not

help
the

compres
sion
there
is

leakage
past
the

gasketed

surface

Oil
and

water
in
combustion
cham

bers
can
result
from
this

problem

IGNITION
AND

FUEL
SYSTEM

CHECKING
BATTERY

I

Remove
six
vent

plugs
and
check

electrolyte
level
in
each

battery
cell
If

necessary
pour
distilled
water

Overflow
Correct

Shortage

t
t
j

t

t
t

EE358

Fig
ET
6

Checking
Electrolyte

Level
2
Measure
the

specific
gravity
of

battery
electrolyte

E
T372

Fig
ET
7

Checking
Specific
Gravity

of
Battery
Electrolyte

Over
1
22
Full

charge
value

at
200C
680F

1
28

1
26
Permissible
value

Frigid
climates

Other
climates

Note

a
Clean

top
of

battery
and

terminals

with
a

solution
of

baking
soda
and

water
Rinse
off
and

dry
with
com

pressed
air

Top
of

battery
must

be

c1
n
to

prevent
current

leakage

between
terminals
and
from

posi

tive
terminal
to
hold
down

clamp

b
In

addition
to
current

leakage

prolonged
accumulation
of
acid
and

dirt

on

top
of

hattery
may
cause

blistering
of
the
material

covering

ronnector

straps
and
rorrosion
of

straps

c
Afte
r

tightening
terminals
coat

them
with

petrolatum
vaseline
to

protect
them
from
corrosion

CAUTION

If
the

battery
cables
are
disconnected

they
should
be

tightly
clamped
to
the

battery
terminals
to
secure
a

good

contact
Over
I

20

CHECKING
AND

ADJUSTING

IGNITION
TIMING

Check

spark
plugs
for
condition

2

Thoroughly
remove
dirt
and
dust

from
crank

pulley
at

timing
mark

location

and
front
cover
at

timing

indicator

3
Warm

up
engine
sufficiently

4
Connect

engine
tachometer
and

timing
light
in
their

proper
positions

5

Adjust
idling
speed
to
the

specifi

ed
value

Idling
speed

Manual
transmission

700

pm

Automatic
transmission

6S0

rpm

in
0

position

ET
S
WARNING

When
selector
lever
is
shifted
to

0

position
apply
parking
brake

and
block
both
front
and
rear

wheels
with
chocks

Note

a
On
FU
models

set

idling
speed

with

distributor
vacuum
hose
dis

connected

b
Disconnect

distributor
vacuum

hose

at

distributor

diaphragm
side
and

plug
hose
with
blind

plug
See

Fig

ET
8

ET501

Fig
ET

B
Disconnecting
Distributor

Vacuum
Hose

6
Check

ignition
timing
with
a

timing
light
to
ensure
that
it
is

adjust

ed
to

specifications
indicated
below

Ignition
timing

Manual
transmission

SO
B
T
0
C
f700

rpm

California
FU
models

100
B
T
0
C
f700

pm

Non
California
Canada

models

Automatic
transmission

SO
B
T
0
C
f6S0

rpm

California
models

3

way
connector

ck

Air

Manometer

@

Carbon
canister
Engine
Tune

up

400
mmH20
15
75
in

H20

Check
valve

r
F

uel
filler
cap
with

vacuum
relief
valve

1

Fig
ET
28

Checking
Evaporatiue
Emiuion
Control

System
EC091A

CHECKING
FUEL

TANK
VACUUM

RELIEF
VALVE

Remove
fuel
filler

cap
and
see
it

functions

properly

I

Wipe
clean
valve

housing
and
have

it
in

your
mouth

2

Inhale
air
A

slight
resistance
ac
companied
by
valve

indicates
that

valve
is
in

good
mechanical
condition

Note

also
that

by
further

inhaling
air

the
resistance
should
be

disappeared

with
valve

c
ks

3

If
valve
is

clogged
or
if
no
resist

ance
is
felt

replace
cap
as
an
assem

bled
unit

ET
j3
D

o
0

o
0

o
0

ET500

Fig
ET
29
Fuel
Filler

Cap
with

Vacuum

Relief
Value

REPLACING
CARBON

CANISTER
FILTER

Check
for
a
contaminated
fJlter

Filter
can
be
removed
at
the
bot

tom

of
canister
installed
on
car

body

2

Replace
fJlter
in

accordance
with

maintenance
chedule

EF201

Fig
ET
30

Repfucing
Carbon
Canister

Filter

Engine
Tune

up

TROUBLE
DIAGNOSES
AND

CORRECTIONS

Condition
Probable

cause

CANNOT
CRANK

ENGINE
OR

SLOW

CRANKING
Improper
grade
oil

Discharged
battery

Faulty
battery

Loose
fan
belt

Malfunction
in

charge
system

Wiring
connection

loose
in

starting
circuit

F

ul1Y
ignition
switch

Faulty
starter
motor

Trouble
shooting

procedure
on

starting
circuit

Switch

on
the

starting
motor
with

light
ON

WheJlIJght
gOO
off
or

Ii
J1S
considerably

a
Check

battery

b
Check

connection
and
cable

c
Check
starter
motor

When

light
stays
bright
Corrective
action

Replace
with

proper
grade
oil

Charge
battery

Replace

Adjust

Inspect

Correct

Repair
or
replace

Repair
or

replace

a
Check

wlflng
connection

between

battery
and
starter

motor

b
Check

ignition
switch

c
Check
starter

motor

ENGINE
WILL
CRANK

NOR
LLY

BUT

WILL
NOT
START

In
this
case
the

following
trouble

causes

may
exist
but
in

many
cases

ignition
system
or
fuel

system
is
in

trouble

19
ition

syst
m
in
trouble

FII
1

system
in
trowb

Val
mechanism

do
not

work

properly

Low

compression

Trouble
shooting

procedure

Check

spark
plug
firstly
by
following
procedure

Disconnect

high
tension
cable
from

one

spark
plug
and
hold
it

about

10
mm

0
39
in
from
the

engine
metal

part
and
crank

the

engine

Good

spark
occurs

a
Check

spark
plug

b

Checkignition

timing

c
Check
fuel

system

d
Check

cylinder

compression

Check

the
current
now
in

primary
circuit

Very

high
current

Inspect
primary
circuit
for
short

Check
breaker

point
operation

except
tran

sistor

ignition

system
No

spark
occurs

ET
l
6

Condition

ABNORMAL

COMBUSTION

backfire
afterfire

run
on
etc

Improper
ignition
timing

Fuel

system
out
of

order

Feulty
cylinder
heed

etc

Others

EXCESSIVE
OIL

CONSUMPTION

Oilleek8111
Engine
Tune

up

Probable
cause

Surging
A
T
C
air

cleaner
vacuum
motor

Note
This
noise
will
be
hmnl
when
clutch

iI

disengaged

We
r
on
clutch

pilot

bushing

Not
e
This
noise
will
be
heared
when

utch
iI

disengaged

Improper
ignition
timing

Improper
heal

range
of

spark
plugs

Damaged
carburetor
or
manifold

gasket

backfire
aftedire

Clogged
carburetor

jet

Improper
function
of
the
float

Uneven

idling
Run
on

Improperly
adjusted
T
O
C
S
set

pressure

Except
FU

models

Malfunction
of
anti

dieseling
solenoid
valve

Malfunction
of
fuel
shut
off

system
FU

models

Malfunction

or
auto
hoke

Improper
y

adjusted
valve
clearance

Excess
carbon

in
combustion
chamber

Da
laged
alve

spring

backfire
after
he

Malfunction
of
A
T
C
air
cleaner

Inoperative
anti4lackfire
valve

Loose
oil

tain
plUI

ose
or

damaged
oil

pan
gasket

Loose
or

damaled
chain
cover

gasket

Wom
oil
seal
in
front

and
rear
of
crankshaft

Loo
or

damaged
locker

cover

gasket

Improper
lilhtening
of

oU
filter

Loose
or

damaled
oil

pressure
switch

ET
21
Corrective
action

Repair
or

replace

Renew
bush

and

adjust
drive
shaft

Adjust
ignition
liming

Use

specified
spark
plugs

Replace
them

with
new

parts

Disassemble
carburetor
and
check
it

Adjust
the
level
and
check
needle
valve

Adjust

Adjust

Check

or

replace

Check
fuel
shut
off

system

Adjust
or
re

place
necessary

Adjust

Adjust

Remove
head
and

get
rid
of
carbon

Replace
it
wit
a

new
one

Check
for
loose
vacuum
hoses

Replace
if

necessary

Replace

Tighten
it

Renew

lasket
or

tighten
iI

Renew

gasket
or

lighten
it

Renew
oil
seal

Renew

gasket
r

lighten
it
but

not
too

much

Renew

gasket
and

tighten
it
with
the

proper

torque

Renew
oil

pressure
switch
or

tighten
it

Condition

Ex
iv
oil

consumption

Odlen

POOR
FUEL

ECONOMY

See
the
explanation

oI
thtI

power
cIec

01hen

PROBLEM
IN

OTHER

FUNCTIONS

t
1

oil

pre

E
eronthe

lIiding
par1J

Scuffing
oIlliding

par1J
Engine
Tune

up

Probable
cause

Cylinder
and

piston
wear

Improper
lOcation
of

pi5ton
ring

gap
or

reversely
assembled

piston
ring

Damage
pi5ton
r

gs

Wom

pilton
ring
groove
and

ring

Fatigue
of
valve
oil
seal

lip

Worn
valv
stem

Inadequate
qUality
of

engine
oil

Engine
overheat

Exceeding
idling
revolution

Inoperative
acceleration

covel

Fuelleakage

Malfunction
of
T
O
C
S

Except
FU
mod

els

Malfunction
of

A
T
C
air
cleaner

Inadequate
oil

quality

Overheat

Worn
oil

pump
regulator
valve

Functional
deterioration
of

oil

pump

Blocked
oil
filter

Increased
clearanCe
in
various

sliding
parts

Blocked
oil

strainer

Inoperative
oil

gauge
pressure
switch

Oil

pressure
decreases

Improper
quality
or
contamination
of
oil

Damaged
air
cleaner

Overheat

or
overcool

Improper
fuel
nUxture

Decrease
of
oil

presSure

Insufficient
clearances

ET
22
Corrective
action

Overhaul

cylinder
and
renew

piston

Remount

piston
rings

Renew

rings

Repair
or
renew

piston
and

cylinder

Renew

piston
and

piston
ring

Replace
seal

lip
with

a
new
one

Renew
valve
or

guide

Us
the

designated
ou

Previously
mentioned

Adjust
it
to
the

designated
rpm

Adjust
it

Repair
or

lighten
the
connection
of
fuel

pipes

Adjust

Check
and

replace

Use
the

designated
oil

Previously
mentioned

Disassemble
oil

pump
and

repair
or
renew
it

Ref4ir
or

replace
it
with
I
new
one

Renew

i
t

Disassemble
and

replace
the
worn

parts
with

n
w

of
es

Clean
it

Replace
it
with
a
new
one

Previously
mentioned

Exchange
the
oil
with

proper
one
and

change
element

Otange
element

Previously
mentioned

Oteck
the
fuel

system

Previously
mentione
d

Readjust
to
the

designated
clearances

5

Fit
insert

ensuring
that
it

seats
on

bottom
face
of
its

recess

6

Newly
fitted
valve
seat
should
be

cut
or

ground
with
suitable
seat
cutter

or

grinding
stone

7

Apply
smalliunount
of
fine

grind

ing
compound
to
valve

contacting
face

and

put
valve
into

guide
Lap
valve

against
its
seat
ntil

proper
valve
seat

ing
is

obtained

Remove
valve
and
clean
valve
and

valve
seat

VALVE
ROCKER
ARM

1

AND
SHAFT

I

Check
rocker

arm
bore
and
shaft

for
scores
or
scuffs

2
Check
clearance

between
each

rocker
arm
and
shaft

by
measuring

inner
diameter
of

rocker
arm
bore
and

outer
diameter
of
shaft

If
either
clearance
is
not
within

spec
ification

replace
rocker
arm

and
or
shaft

3
Check
valve
end
contact
surface

of
rocker
arm
for
abnormal
wear
or

scuffs

VALVE
LIFTER
AND

PUSH

ROD

I
Check
valve
lifter
for

wear
or

scuffs
Check
bottom
end
of
valve

lifter
to
make
sure
it
has
a

slight

convex

Replace
valve
lifters
that
are

scored
worn
or
have
unsmooth
bot

tom

2
Check
clearance
between
lifter

hole
on

cylinder
block
and
valve
lifter

Replace
valve
lifter
if
clearance

ex

ceeds
wear
limit

3

Check

push
rod
for

bending
and

damage

Check
end
of

push
rod
for

rough

ness
or
excessive
wear

CAMSHAFT
AND

CAMSHAFT
BEARING

CAMSHAFT

BEARING

CLEARANCE

Journal
diameters
should
be
check

ed
with
a
micrometer
and

bearings

with
an
inside
dial

gauge
Measure

ments
should
then
be

compared
to
Engine
Mechanical

determine
whether

bearings
are
worn

If
worn

beyond
0
15

mm
0
0059
in

replace
using
Camshaft

Bearing
Drift

STl6Il0000
In

press
fitting
a
new

bearing
make
certain
that

oil
holes
in

block
and

bearing
are

properly
aligned

EM474

Fig
EM
27

Measuring
Camshaft

Bearing
Inner

Diameter

CAUTION

a

After

replacing
all

bearings
finish

bearing
inner
diameters

by
line
bor

ing

b
I
nstall
welch

plug
into

cylinder

block

applying
sealant

EM475

Fig
EM
28

Replacing
Cam
haft

Bearings

CAMSHAFT
ALIGNMENT

I

Check
camshaft
camshaft

journal

and
earn
surface
for

bending
wear
or

damage
If
fault
is

beyond
limits

replace
affected

parts

2
A

bend
value
is
one

half
of
the

reading
obtained
when
camshaft
is

turned

one
full
revolution
with
a
dial

gauge
applied
to
the
cen
ter

journal

Camshaft
bend

Total
indicator

reading

Less
than

0
10

mm
0

0039
in

EM
7
s

EM476

Fig
EM
29

Checking
Cam

haft
Bend

3

Camshaft
end

play
can
be
check

ed

by
installing
camshaft
camshaft

locating
plate
and
camshaft

sprocket

in

thier

respective
p
sitions

End

play

can
then
be

checked
with
a

dial

guage

or

feeler

gauge
If
end

play
exceeds
the

specified
limit

replace
locating
plate

Max

tolerance
of
camshaft

end

pley

0
10
mm
0

0039
in

EM477

Fig
EM
3D

Checking
Cam

haft
End

Play

VALVE
TIMING

This

diagram
applies
to
all

cyl

inders

If

any
valve
is
found

beyond

specifications
one

possibility
is

that

earn
lobe
is

worJ
1
or

damaged
exces

sively
calling
for

replacement
of
cam

shaft

CYLINDER
BLOCK

I

Visually
check

cylinder
block

for

cracks
or

flaws

2

Measure

top
of

cylinder
block

cylinder
head

mating
face
for

warp

age
If

warpage
exceeds
limits
correct

it

Warpage
of
cylinder
block

surface

Less
than

0
10
mm
0

0039
in

PRECAUTION

Before

assembling

engine
observe

following
precautions

I
Clean

all

disass
mbled

parts
with

clean
solvent
All
611
holes
in
crank

shaft

camshaft
valve

rocker
shaft
etc

should

be

thoroughly
cleaned
to
re

move
all

traces
of

grinding
chips
or

lint

Always
use
clean
solvent

2
In

general
used

gaskets
packings

and
oil

seals
should
be

replaced

3

Under
no
circumstances

should

lockwashers

be
reuse
d

4

Place
bolts

nuts
and
woshers

back
in

their

original
parts
or
from

which

they
were
removed

5
MOst

packing
Serve
best
when

liquid

packing
is

applied
to

sealing

surfaces
When

desigiiated
use
suitable

liquid
packing
to

eliminate

possibility

of
water
oil
and

gas
leak

6
Prior

to

assemQling
all

sliding

surfaces
should
be

lioerally
oiled

7

Proper

tightening
is
essential
to

successful

performanCe
of
all
car
re

pairs
It
is

also

important
to
follow

correct

tightenig
sequence
in

pulling

up
cylinder
head
Be

on
alert
at
all

times

to
amount
of

clearance

per

mitted

8
Cleanliness
of
tools
or

parts
such

as
work

bench
used
jn

making
a

repai

is
essential

When

setting
up
a

job

every
precaution
should
be
taken
that

tools
or

parts
are
free
of

dirt
mud
and

oil
Do

not
work

in
dust

and

grit
for

they
are

primary
cause
of
wear
in

any

engine

CYLINDER

HEAD

I

Install
valve

spring
seat
Install

valve
oil
seal

by
lightly

tapping
its

head
with

a

plastic
hammer

through

Valve

Lip
Seal
Drift
KVI0104800
Engine
Mechanical

ENGINE
ASSEMBLY

m

f

if
@

@

4

1
Valve

2

Lip
seal

3
Valve

guide

4
Valve

spring
seat
EM688

Fig
EM
52

tailing
Valve

Lip
Seal

2
Insert

valve
into

valve

guide

Note
Use
care
when

inserting
valve
so

as
not
to
scratch

lip
of
oil
seal

3
Install

valve

spring
and

valve

spring
retainer

Compress
valve

pring

with

Valve
Lifter
STl2070000
and
fit

valve
collets
in

place
Release
Valve

Lifter

slowly

EM462

Fig
EM

53

Inatalling
Valve

Note

8
Do

not

interchange
valves

between

cylinders
for
their

sliding
or

seating

surfaces
have

undergone

wearing
in

or
have

been

lapped
at

assembly

forming

specific
contact
with
mat

ing

parts

b
Check
to
be

sure
that
valves

are

properly
seated
on
valve
seats

with

out

foreign

particles
stuck

in
be

tween

c
Valve

spring
is
an

uneven

pitch

type
Install

spring
facing
Wte

painted
side
to

cylinder
head

sur

face

EM

12
p

lOted

l
rJF
t
A
J

il
j

j
Wide

pilCh
l

Nallow

pitch

I

EM489

Fig
EM
54
Valve

Spring

PISTON
AND

CONNECTING

ROD

I

Assemble

pistons
piston

pins
and

connecting
rods

on
the

designated

cylinder

EM103

Fig
EM

55

Installing
Piston
Pin

EM157

Fig
EM

56

Arranging
Piaton
and

Connecting
Rod

Note

3

Piston
is

pressed
into

connecting

rod

Fitting
force
is

from
1
to

3

tons

and
aid
of
Piston

Pin
Press

Stand
KVI

01
05300
is

necessary

When

pressing
piston

pin
in

connec

ting
rod

apply
engine
oil
to

pin
and

small
end

of

connecti
8
rod

b

Arrange
so
oil

jet
hole
of

connect

ing
rod

big
end
is

directed

toward

right
side
of

cylinder
block

c

Be
Sure
to
install

piston
in

cylinders

with
notch
mark

of

piston
head

toward
front
of

engine

OIL

PUMP

The
oil

pump
and
filter

assembly
is

bolted
to

the

right
side

of
the

cylinder

block
and
can
be
removed

with
the

engine
in

pl
c
The
oil

pump
which
is

driven

by
a

gear
on
the
camshaft

has

the

full
flow

element

type
filter
in

stalled
to
the

oil

pump
cover

REMOVAL

I

Place
a
suitable
container

under

oil

pump

2
Remove
three

bolts

attaching
oil

pump
and
filter

assembly
and

with

draw

assembly

3

Separate
oil

filter
from
oil

pump

4

Ciean
off
old

gasket
from

mating

surfaces

i

E

L043

F
EL

2
R

moving
Oil

Pump

Asso

mbly

INSTALLATION

I

Install
oil
filter
to
oil

pump

2

Locate
oil

pump
and

filter
as

sembly
or

cylinder
block

using
a

spacer
and
new

gasket
Secure
with

three

bolts

l
l
Tightening

torque

Oil

pump
securing
bolts

0
9
to
1
4

kg
m

6
5
to
10
1
ft

lbl

3

Check
oil
level

and
add
oil
if

necessary

4

Start

engine
and

check
for
oil

leaks

5

Remove
the
container
Engine
Lubrication

System

DISASSEMBLY
AND

ASSEMBLY

I

Remove
bolt

securing

pump
cover

to

pump

body
Separate
pump
cover

from

pump
body

2

Slide
out
outer
rotor

from

pump

body

3

Remove
oil

pressure

regulator

plug
washer

shim

spring
and
valve

4

Assemble
oil

pump
in
reverse

order
of

disassembly

Note

a

When

placing
oil

pump
in

a
vice

use
extreme
care
not
to
distort

pump
body
and
cover
in
the

jaws

b
Do

not

pull
out

drive
shaft

pin

securing
drive
shaft

and
inner
rotor

Shaft
is

press
fitted
to
rotor
with

the

pin
caulked

EL044

Fig
EL
3
Oil

Pump

l
l
Tightening

torque

Oil

pump
cove
bolt

0
39

to
0

5
2

kltm

2
8

to
3
8

ti
Ib

Regulator
valve

plug

4
0
to
5
0

kltm

29
to
36
ft

bl
INSPECTION

Wash
all

parts
in

cleaning
solvent

and

dry
wiih

compressed
air

I

hispect
pump
body
and

cover

for
cracks
or
excessive
wear

2

Inspect
pump
rotors
for

excessive

wear

3
Check
inner

rotor
shaft
for

looseness
in

pump
body

4

Inspect
regulator
valve
for
wear

or

scoring

5
Check

regulator

spring
to

see
that

it
is

not
worn
on
its

side
or

collapsed

6

Using
a
feeler
gauge
check

tip

clearance

00
and
outer
rotor
to

body

clearance

CD
shown
in

Fig
EL
4

EL059

1
Outer
rotor
to

body
clearance

2

Tip
clearance

3

Gap
between

rotor
and

stnight
edge

4

Gap
between

body
and

straight
edge

ig
EL
4

Checking
Rotor

Clea
nce

7

Place
a

straight
edge
across
the

face
of

pU
mp
and

depress
it

slightly
as

shown
in

Fig
EL
4

Check

gap

@

between

body
and

straight
edge
or

gap

@
between
rotor
and

straight
edge

Gap

0
03
to
0
06
mm

0
0012
to
0
0024
in

Rotor
side
clearance
rotor
to
bot

tom

cover
clearance
with

gasket

should

satisfy
the

specifications

Standard
Wear
limit

Rotor

side
clearance

mm
in
0

04
to
0
08

rotor
to
bottom

cover

0
0016
to
0
031
0
20
0

0079

Rotor

tip
clearance

V
mm
in
Less
than

0
20
0
0079

0
12
0
0047

Outer
rotor
to

body

mm
in
0

15
to
0
21

0
50
0
0197

clearance

CD
0
0059
to
0
083

EL3

Not

Pump
rotors
and

body
are
not
serv

iced

separatdy
If

pump
rotors
or

body
are

damaged
or

worn

replace

ment
of
the
entire
oil

pump
assembly

isnecessary

OIL
PRESSURE

REGULATOR
VALVE

The
oil

pressure
regulator
valve
is

not

adjustable
At
the
released

posi

tion
the
valve

permits
the
oil
to

by

pass
through
the

passage
in
the

pump
cover
to
the
inlet
side
of

the

pump
Check

regulator
valve

spring
to

ensure

that

spring
tension
is
correct

no

1

Regulator
valve

2
Relief

valve

3
Valve

spring
E
L045

Fig
EL
5

Regulator
and
Reli
Vatv
Engine
Lubrication
System

8Peciflcatlons

Oil

pressure

At

idling

more
than

O

Blrg
an2
11

psi

At

3
000

rpm

3
B
to
5
2lrg

an2

54
to
74

psi

Regulator
ai

spring

Free

length

43
49
rom
1
7122
in

InstoJlod
l

ngth
load

30
3
mm
3
67

kg

1
193

inJB
09lbl

Regulator
val

o

ning
pressur

3

8
to
4
2

lrg
an2

54
1060

psi

OIL
PRESSURE

RELIEF
VALVE

The
relief
valve
located
in

the
oil

pump
cover

by
passes
the

oil
into
the

main
oil

gallery
when

the
oil
filter

elem
nt
is

exCessively
clogged
With

regula
tor
valve
removed
check
valve

for

operation
See

Fig
EL
5

OIL
FILTER

tEMOVAL

Place
a
suitable
container
under
the

f1lter

Unscrew
f1lter
from
oil

pump
cover

flange
using
Oil
Filter
Wrench

STl9320000

EL
4
Fig
EL
6

Removing
Oil
Filter

INSTALLAnON

I
Coat

the

packing
on
the
new

f1lter
with

oil
Position
the

f1lter
on

the
oil

pump
cover

flange
Hand

tight

en
the
f11ter
until
the

packing
contacts

the

cover

flange
then
advance
it

2
3

tum

Note
Do
not

overtighten
the
fiIter

or

oil
leak

may
occur

2

Operate
the

engine
at
fast
idle

and
check
for
oil
leaks
Check
the
oil

level
and
add
oil
if

necessary

OIL
PRESSURE

WARNING

SWITCIt

The
oil

pressure
warning
switch
is

located

on
the

oil

pump
cover
and

wired
to

an
instrument

cluster
See

Fig
EL
6

The

warning

light
glows
whenever

the

oil

pressure
drops
below
0

2
to
0
4

kg
cm1
2
8
to
5
7

psi

Prior
to

installing
a
switch
to
cover
I

be

sure
to

apply
a
conductive
sealer

to

threads
of

switch

DASH
POT
SYSTEM

These

carburetors
are

equipped

with
a
dash

pot
interlocked
with
the

primary
thrott
Ie
valve

through
a

link

mechanism

The
dash

pot
prevents
the

throttle

valve

from

closing
abruptly
thereby

reducing
He
emissions

during
deceleia

tion
or

gear
shifting

In
automatic

transmissi9fi
models

it

also

prevents
engine
stall

resulting

from

quick
application
of
the
brake
or

from

quick
release
of
the

accelerator

pedal
after
it
s
been
tread

upon

slightly

INSPECTION

AND

ADJUSTMENT

CARBURETOR
IDLE
R
P
M

AND
MIXTURE
RATIO

CO
idle
adjustment
with

CO
meter

Refer
to
Carburetor
Idle

rpm
and

Mixture
Ratio
Section
ET
for
check

ing
and
a

justment

CO
idle

adjustment
without

CO
meter

Non
California
models

Refer
to

Carburetor
Idle

rpm
and

Mixture
Ratio
Section

ETl
fot
check

ing
and

adjustment

Idle

limiter

cap

Refer
to
Idle

Limiter

Cap

SeCtio

ET
for

checking
and

adjustment

FUEL

LEVEL

I

With

engine
idling

visually
check

fuel
level

through
sight
window
of

float
chamber

Fuel
level
is
correct

if
it

is
at
the

indicator

point

Note

Fuel
level
indicator

point
is

located
IS
mm
0
59
in
below

top

of
carburetor

body
H

as
shown
in

Figure
below
Engine
Fuel

EF088A

Fig
EF
33

Checking
Fuel
Level

To

adjust
fuel
level

proceed
as

follows

2

Remove
choke

chamber

3

Turn
down

choke
chamber

to

allow

float
to

come
into
contact
with

needle

valve
and

measure
H

shown

below

When
H

is

approximately
15
mm

0
59
in

top
float

position
is
correct

The

top
float

position
can
be
ad

justed
by
bending
float
seat

Upon

completion
of
the

adjust

ment

check
fuel

level
with

attached

level

gauge

nhH

J

1
Float

2
Float

stopper
3
Float

seat

4
Needle
valve

Fig
EF
34

Adjusting
Floot
Level

EF

14
4

Adjust
bottom
float

position
so

that
clearance

hl
between

float

seat

and
needle

valve
stem
is
1
3
to
I
7
mm

0
051
to
0
067
in
when

float
is

fully

raised
Bend
float

stopper
as

required

5

Install
choke
chamber

6
After

adjustments
in

steps
3
and

4
above
have
been

made
make

sure

that
when
fuel
is
delivered
to
the

float

chamber
the

fuel
level

is
maintained

within
the

specified
value

H