Ford Thunderbird 1958 User Manual

1-58
GROUP
1-POWER
PLANT
PART
3
FUEL
SYSTEM
Section
Page
1
Trouble
Shooting
.
1-58
2 Air Cleaner
1-59
3 Carburetor
..
1-60
4
Throttle
Linkage
Adjustments
1-72
Section
Page
5
Fuel Pumps and
Vacuum
Booster
1-72
6
Fuel Tank and
Lines
1-75
TROUBLE
SHOOTING
//
the
cause
of
engine
trouble
has
been
traced
to
the
fuel
sys
tem
(page
1-7),
refer
to
the
trou
ble
in
Table
1
and check
the
items
listed
under the
trouble.
The
causes
of
the
trouble
are
listed in
the order
of
their
prob
able
occurrence;
therefore
the
items
should
be
checked
in
the
order
listed.
TABLE
1
Fuel
System
Trouble
Shooting
ENGINE
CRANKS
NORMALLY,
BUT
WILL NOT START
AUTOMATIC CHOKE. Check
the position of
the
choke
plate. If the
engine is
warm,
the plate should be
open. If
the plate is
not
open,
the
en
gine will load
up
due to
the
exces
sively
rich
mixture
and will
not
start.
If
the engine
is
cold,
the
plate
should
be
closed.
If the
plate
is not
operating
properly,
check the
following
items:
The
choke
linkage
for binding.
The
fast
idle
cam for binding.
Thermostatic
spring
housing
ad
justment.
Fast idle
speed
screw
for proper
ad
justment
and operation.
Choke plate valve for proper
op
eration.
Choke air heat
chamber,
air
line,
and
choke
housing
for air
leaks.
FUEL SUPPLY
AT CARBU
RETOR. Disconnect
the carburetor
fuel inlet
line
at
the carburetor. Use
a suitable container
to catch
the
fuel.
Crank the
engine to see if fuel is
reaching
the carburetor.
If fuel
is
not
reaching
the carbu
retor,
check:
The
fuel pump.
The
fuel
pump
flexible
inlet line
for
a
collapsed condition.
If the
fuel is
reaching
the
carbu
retor,
the
trouble
is
in the
carburetor.
Work the
throttle
by
hand
several
times.
Each
time
the
throttle is
actu
ated
fuel
should spurt from the
accel
erating pump
discharge
nozzles.
If
fuel
is discharged
by
the
accel
erating
pump,
the engine
is
probably
flooded,
or
there
is
water in the
fuel
system,
or an
engine
mechanical
item,
such as valves
is at fault.
If
fuel is not
discharged
by
the
ac
celerating
pump,
check:
The
accelerating pump
discharge
ball
check for sticking.
The
accelerating
pump
discharge
screw
and discharge holes for
clogged
passages.
The
accelerating pump
diaphragm
for defects.
The
accelerating
pump
inlet
ball
check for
freeness
and inlet
passages
for
dirt,
corrosion,
etc.
The fuel inlet
system
including,
the
fuel inlet
screen,
the
fuel
inlet
needle
and
seat
assembly,
and the
float as
sembly.
Check for dirt
in the
carburetor,
not
allowing
fuel
to enter
or
be dis
charged from the
idle system.
ENGINE
STARTS,
BUT
FAILS
TO
KEEP
RUNNING
Idle
fuel
mixture
needles not
prop
erly
adjusted.
Engine
idle speed
set
too low.
The choke
not
operating
properly.
Float
setting
incorrect.
Fuel
inlet system
not
operating
properly.
Dirt or water in
fuel
lines
or
car
buretor.
Carburetor icing.
Fuel
pump
defective.

Ford Thunderbird 1958 Specifications

General

Brand	Ford
Model	Thunderbird 1958
Category	Automobile
Language	English