2002 FORD THUNDERBIRD fuel cap

Check the fluid level when it is at
ambient temperature (-7É to 25É C
[20É to 80É F]):
1. Check the fluid level in the
reservoir. It should be between the
MIN and MAX lines. Do not add
fluid if the level is in this range.
2. If the fluid is low, add fluid in
small amounts, continuously
checking the level until it reaches
the range between the MIN and
MAX lines. Be sure to put the cap
back on the reservoir.
WHAT YOU SHOULD KNOW ABOUT AUTOMOTIVE FUELS
Important safety precautions
Do not overfill the fuel tank. The pressure in an overfilled tank
may cause leakage and lead to fuel spray and fire.
The fuel system may be under pressure. If the fuel filler cap is
venting vapor or if you hear a hissing sound, wait until it stops
before completely removing the fuel filler cap. Otherwise, fuel may
spray out and injure you or others.
If you do not use the proper fuel filler cap, excessive pressure or
vacuum in the fuel tank may damage the fuel system or cause
the fuel cap to disengage in a collision, which may result in possible
personal injury.
MAX
MIN
MAX
MIN
Maintenance and specifications
209

When refueling always shut the engine off and never allow
sparks or open flames near the filler neck. Never smoke while
refueling. Fuel vapor is extremely hazardous under certain conditions.
Care should be taken to avoid inhaling excess fumes.
The flow of fuel through a fuel pump nozzle can produce static
electricity, which can cause a fire if fuel is pumped into an
ungrounded fuel container.
Use the following guidelines to avoid static build-up when filling an
ungrounded fuel container:
²Place approved fuel container on the ground.
²DO NOT fill a fuel container while it is in the vehicle (including the
cargo area).
²Keep the fuel pump nozzle in contact with the fuel container while
filling.
²DO NOT use a device that would hold the fuel pump handle in the fill
position.
Fuel Filler Cap
Your fuel tank filler cap has an indexed design with a 1/8 turn on/off
feature.
When fueling your vehicle:
1. Turn the engine off.
2. Carefully turn the filler cap counterclockwise 1/8 of a turn until it
stops.
3. Pull to remove the cap from the fuel filler pipe.
4. To install the cap, align the tabs on the cap with the notches on the
filler pipe.
5. Turn the filler cap clockwise 1/8 of a turn until it stops.
If the ªCheck Fuel Capº indicator comes on and stays on after you start
the engine, the fuel filler cap may not be properly installed. Turn off the
engine, remove the fuel filler cap, align the cap properly and reinstall it.
Maintenance and specifications
211

If you must replace the fuel filler cap, replace it with a fuel filler
cap that is designed for your vehicle. The customer warranty may
be void for any damage to the fuel tank or fuel system if the
correct genuine Ford or Motorcraft fuel filler cap is not used.
The fuel system may be under pressure. If the fuel filler cap is
venting vapor or if you hear a hissing sound, wait until it stops
before completely removing the fuel filler cap. Otherwise, fuel may
spray out and injure you or others.
If you do not use the proper fuel filler cap, excessive pressure or
vacuum in the fuel tank may damage the fuel system or cause
the fuel cap to disengage in a collision, which may result in possible
personal injury.
Choosing the right fuel
Use only UNLEADED FUEL. The use of leaded fuel is prohibited by law
and could damage your vehicle.
Do not use fuel containing methanol. It can damage critical fuel system
components.
Your vehicle was not designed to use fuel or fuel additives with metallic
compounds, including manganese-based compounds containing MMT.
Repairs to correct the effects of using a fuel for which your vehicle was
not designed may not be covered by your warranty.
Octane recommendations
Your vehicle is designed to use
ªPremiumº unleaded gasoline with
an (R+M)/2 octane rating of 91 or
higher for optimum performance.
The use of gasolines with lower
octane ratings may degrade performance. We do not recommend the use
of gasolines labeled as ªPremiumº in high altitude areas that are sold
with octane ratings of less than 91.
Do not be concerned if your engine sometimes knocks lightly. However, if
it knocks heavily under most driving conditions while you are using fuel
with the recommended octane rating, see your dealer or a qualified
service technician to prevent any engine damage.
91(R+M)/2 METHOD
Maintenance and specifications
212

Fuel Filter
For fuel filter replacement, see your dealer or a qualified service
technician. Refer to the scheduled maintenance guide for the appropriate
intervals for changing the fuel filter.
Replace the fuel filter with an authorized Motorcraft part. The
customer warranty may be void for any damage to the fuel system
if an authorized Motorcraft fuel filter is not used.
ESSENTIALS OF GOOD FUEL ECONOMY
Measuring techniques
Your best source of information about actual fuel economy is you,
the driver. You must gather information as accurately and consistently
as possible. Fuel expense, frequency of fillups or fuel gauge readings
are NOT accurate as a measure of fuel economy. We do not
recommend taking fuel economy measurements during the first
1 600 km (1 000 miles) of driving (engine break-in period). You will
get a more accurate measurement after 3 000 km±5 000 km
(2 000 miles- 3 000 miles).
Filling the tank
The advertised fuel capacity of the fuel tank on your vehicle is equal to
the rated refill capacity of the fuel tank as listed in theRefill capacities
section of this chapter.
The advertised capacity is the amount of the indicated capacity and the
empty reserve combined. Indicated capacity is the difference in the
amount of fuel in a full tank and a tank when the fuel gauge indicates
empty. Empty reserve is the small amount of fuel remaining in the fuel
tank after the fuel gauge indicates empty.
The amount of usable fuel in the empty reserve varies and should
not be relied upon to increase driving range. When refueling your
vehicle after the fuel gauge indicates empty, you might not be
able to refuel the full amount of the advertised capacity of the
fuel tank due to the empty reserve still present in the tank.
For consistent results when filling the fuel tank:
²Turn the engine/ignition switch to the off position prior to refueling,
an error in the reading will result if the engine is left running.
²Use the same filling rate setting (low Ð medium Ð high) each time
the tank is filled.
Maintenance and specifications
214

REFILL CAPACITIES
Fluid Ford Part
NameApplication Capacity
Brake fluid High
Performance
DOT 3 Motor
Vehicle Brake
Fluid
1
All Fill to MAX line
on reservoir
Engine oil
(includes filter
change)Motorcraft SAE
5W-20 Super
Premium Motor
Oil3.9L-4V V8
engine5.7L (6.0
quarts)
Engine coolant
2Motorcraft
Premium Engine
Coolant
(green-colored)
orMotorcraft
Premium Gold
Engine Coolant
(yellow-colored)3.9L-4V V8
engine11.3L (11.9
quarts)
Power steering
fluidMotorcraft
MERCONtAT FAll Fill to MAX line
on reservoir
Engine cooling
fan fluidMotorcraft
MERCONtAT FAll Fill to MAX line
on reservoir
Rear axle
3Motorcraft SAE
75W-140 High
Performance
Synthetic Rear
Axle LubricantAll 1.4L (2.9-3.0
pints)
Fuel tank N/A All 68.2L (18.0
gallons)
Transmission
fluid
4Motorcraft
MERCONtV
AT FAutomatic
(5R55N)11.2L (11.9
quarts)5
Maintenance and specifications
228

refill capacities ........................228
service points ..........................196
starting after a collision .........154
Engine block heater .................135
Engine fan .................................208
Engine oil ..................................197
checking and adding ..............197
dipstick ....................................197
filter, specifications ........199, 227
recommendations ...................199
refill capacities ........................228
specifications ..................229, 231
Exhaust fumes ..........................135
F
Fail safe cooling ........................207
Floor mats ...................................83
Fluid capacities .........................228
Fuel ............................................209
calculating fuel economy .......214
cap .....................................11, 211
capacity ...................................228
choosing the right fuel ...........212
comparisons with EPA fuel
economy estimates .................217
detergent in fuel .....................213
filling your vehicle
with fuel ..................209, 211, 214
filter, specifications ........214, 227
fuel pump shut-off switch .....154
gauge .........................................17
improving fuel economy ........214
low fuel warning light ..............14
octane rating ...................212, 231
quality ......................................213
running out of fuel .................213
safety information relating to
automotive fuels .....................209Fuses ..................................156±157
G
Gas cap (see Fuel cap) ......11, 211
Gas mileage (see Fuel
economy) ...................................214
Gauges .........................................16
engine coolant temperature
gauge .........................................16
fuel gauge ..................................17
odometer ...................................17
speedometer .............................17
tachometer ................................18
trip odometer ............................18
GAWR (Gross Axle Weight
Rating) .......................................146
definition .................................146
driving with a heavy load ......146
location ....................................146
GVWR (Gross Vehicle Weight
Rating) .......................................146
calculating ...............................146
definition .................................146
driving with a heavy load ......146
location ....................................146
H
Hazard flashers .........................154
Head restraints ...........................95
Headlamps ...................................49
aiming ........................................51
autolamp system .......................49
bulb specifications ....................53
daytime running lights .............49
flash to pass ..............................50
high beam .................................15
replacing bulbs .........................54
Index
239

turning on and off ....................49
warning chime ..........................15
Heating ........................................35
Hood ..........................................196
I
Ignition ...............................132, 231
Infant seats
(see Safety seats) .....................123
Inspection/maintenance (I/M)
testing ........................................218
Instrument panel
cleaning ...................................191
cluster ................................10, 191
lighting up panel and
interior .......................................50
J
Jack ............................................164
positioning ...............................164
storage .....................................164
Jump-starting your vehicle ......169
K
Keyless entry system
autolock .....................................90
Keys .......................................91, 93
key in ignition chime ...............15
positions of the ignition .........132
L
Lamps
autolamp system .......................49
bulb replacement
specifications chart ..................53cargo lamps ...............................50
daytime running light ...............49
headlamps .................................49
headlamps, flash to pass ..........50
instrument panel, dimming .....50
interior lamps .....................52, 54
replacing bulbs ....... 53±54, 56±59
Lane change indicator
(see Turn signal) ........................52
Lights, warning and indicator ....10
air bag ........................................12
anti-lock brakes (ABS) ....12, 137
brake ..........................................12
bulb warning .............................15
charging system ........................13
check engine .............................10
cruise indicator .........................14
door ajar ....................................15
fuel cap light .............................11
high beam .................................15
low coolant ................................13
low fuel ......................................14
low washer fluid .......................14
oil pressure ...............................13
safety belt .................................13
speed control ............................70
traction control active ..............14
transmission PRNDL
indicator ....................................12
turn signal indicator .................14
Load limits .................................146
GAWR ......................................146
GVWR ......................................146
trailer towing ..........................146
Locks
autolock .....................................90
doors ..........................................84
Lubricant specifications ...229, 231
Lug nuts, anti-theft ...................169
Index
240