EMISSION
CONTROL
AND
TUNE
UP
reading
cylinders
through
spark
plug
hole
Repeat
compression
check
on
these
cylinders
1
If
compression
improves
considerably
piston
rings
are
defective
2
If
compression
does
not
improve
valves
are
sticking
or
seating
improperly
3
If
two
adjacent
cylinders
indicate
low
compression
and
injecting
oil
on
pistons
does
not
increase
compres
sion
the
cause
may
be
a
cylinder
head
gasket
leak
between
the
cylinders
Engine
oil
and
coolant
in
cylinder
could
result
from
this
problem
Compression
pressure
12
S
to
14
S
kg
cm2
178
to
206
psi
at
3S0
rpm
Checking
exhaust
manifold
heat
control
valve
Check
heat
control
valve
for
proper
operation
If
it
does
not
operate
properly
trouble
is
due
to
excess
carbon
on
shaft
or
damaged
shaft
Clean
if
necessary
The
bimetal
should
be
also
checked
for
proper
function
IGNITION
AND
FUEL
SYSTEM
Checking
battery
Check
electrolyte
level
in
each
battery
celL
L
Unscrew
each
filler
cap
and
inspect
fluid
leveL
If
fluid
level
is
low
add
distilled
water
to
bring
level
up
to
app
roximately
10
to
20
mm
0
3937
to
0
7874
in
above
plates
Do
not
overfilL
2
Measure
specific
gravity
of
battery
electrolyte
ET002
Fig
ET
B
Checking
the
specific
gravity
of
battery
electrolyte
Permissible
Full
charge
value
value
at
200C
68OF
Frigid
climates
Over
1
22
1
28
Tropical
climates
Over
1
18
1
23
Other
climates
Over
L
20
1
26
Clean
the
top
of
battery
and
terminals
with
a
solu
lion
of
baking
soda
and
water
Rinse
off
and
dry
with
compressed
air
The
top
of
battery
must
be
clean
to
prevent
current
leakage
between
terminals
and
from
positive
terminal
to
hold
down
clamp
In
addition
to
current
leakage
prolonged
accumulation
of
acid
and
dirt
on
the
top
of
battery
may
cause
blistering
of
the
material
covering
connector
straps
and
corrosion
of
straps
After
tightening
terminals
coat
them
with
petro
laturn
vaseline
to
protect
them
from
corrosion
Checking
and
adjusting
ignition
timing
I
Check
spark
plugs
and
distributor
breaker
points
for
condition
2
Thoroughly
wipe
off
dirt
and
dust
from
timing
marks
on
crank
pulley
and
front
cover
3
Warm
up
engine
sufficiently
ET
5
EMISSION
CONTROL
AND
TUNE
UP
SERVICE
DATA
AND
SPECIFICATIONS
Valve
clearance
Hot
Intake
Exhaust
mm
in
rom
in
rom
in
kg
lb
0
35
0
014
0
35
0
014
10
to
15
0
394
to
0
591
10
22
Fan
belt
tension
Tightening
torque
Cold
Cylinder
head
bolts
kg
m
ft
lb
1st
turn
2nd
turn
Re
tightening
torque
Hot
Manifold
nuts
Carburetor
nuts
4
0
to
4
5
29
to
33
5
5
to
6
0
40
to
43
6
0
to
6
5
43
to
47
0
9
to
I
4
6
5
to
10
0
5
to
1
0
3
6
to
7
2
1
5
to
2
0
II
to
14
Spark
plugs
Oil
capacity
of
engine
including
oil
ftIter
Maximum
L
US
gal
Imp
gal
L
US
gal
Imp
gal
3
3
U
14
2
3
Ii
Minimum
Water
capacity
of
cooling
system
Without
heater
L
US
gal
Imp
gal
With
heater
L
US
gal
Imp
gal
4
2
1
U
4
9
I
4
11
12
5
to
14
5
I78
to
206
350
Compression
pressure
at
rpm
kg
em
psi
Battery
specific
gravity
Permissible
value
Fully
charged
value
at
200C
680F
Frigid
climates
Tropical
climates
Other
elima
tes
Over
1
22
Over
1
18
Over
1
20
1
28
1
23
1
26
Ignition
timing
degree
Distributor
50
B
T
D
C
Condenser
capacity
mm
in
degrees
IlF
Micro
Farad
0
45
to
0
55
0
018
to
0
022
49
to
55
0
22
5
Point
gap
Dwell
angle
Condenser
insulation
resistance
Mil
Mega
ohms
ET
25
