engine FORD F250 2003 Workshop Manual

F-450 SuperCab Chassis Cab Dual Rear Wheel (Fifth Wheel
Towing)
Engine Rear axle
ratioMaximum GCWR -
kg (lbs.)Maximum
trailer weight -
kg (lbs.)
4x2 with manual transmission
6.8L 4.88/5.38 9979 (22000) 6441 (14200)
4x2 with automatic transmission
6.8L 4.88 10886 (24000) 7348 (16200)
6.8L 5.38 11793 (26000) 8255 (18200)
4x4 with manual transmission
6.8L 4.88/5.38 9979 (22000) 6260 (13800)
4x4 with automatic transmission
6.8L 4.88 10886 (24000) 7167 (15800)
6.8L 5.38 11793 (26000) 8074 (17800)
F-450 Crew Cab Chassis Cab Dual Rear Wheel (Fifth Wheel
Towing)
Engine Rear axle
ratioMaximum GCWR -
kg (lbs.)Maximum
trailer weight -
kg (lbs.)
4x2 with manual transmission
6.8L 4.88/5.38 9979 (22000) 6350 (14000)
4x2 with automatic transmission
6.8L 4.88 10886 (24000) 7257 (16000)
6.8L 5.38 11793 (26000) 8165 (18000)
4x4 with manual transmission
6.8L 4.88/5.38 9979 (22000) 6214 (13700)
4x4 with automatic transmission
6.8L 4.88 10886 (24000) 7121 (15700)
6.8L 5.38 11793 (26000) 8029 (17700)
2003 F250/350/450/550(f23)
Owners Guide (post-2002-fmt)
USA English(fus)
Driving
165

F-550 Regular Cab Chassis Cab Dual Rear Wheel (Fifth Wheel
Towing)
Engine Rear axle
ratioMaximum GCWR -
kg (lbs.)Maximum
trailer weight -
kg (lbs.)
4x2 with automatic transmission
6.8L 4.88 10886 (24000) 7484 (16500)
6.8L 5.38 11793 (26000) 8391 (18500)
4x4 with automatic transmission
6.8L 4.88 10886 (24000) 7348 (16200)
6.8L 5.38 11793 (26000) 8255 (18200)
F-550 SuperCab Chassis Cab Dual Rear Wheel (Fifth Wheel
Towing)
Engine Rear axle
ratioMaximum GCWR -
kg (lbs.)Maximum
trailer weight -
kg (lbs.)
4x2 with automatic transmission
6.8L 4.88 10886 (24000) 7348 (16200)
6.8L 5.38 11793 (26000) 8255 (18200)
4x4 with automatic transmission
6.8L 4.88 10886 (24000) 7121 (15700)
6.8L 5.38 11793 (26000) 8029 (17700)
F-550 Crew Cab Chassis Cab Dual Rear Wheel (Fifth Wheel
Towing)
Engine Rear axle
ratioMaximum GCWR -
kg (lbs.)Maximum
trailer weight -
kg (lbs.)
4x2 with automatic transmission
6.8L 4.88 10886 (24000) 7212 (15900)
6.8L 5.38 11793 (26000) 8119 (17900)
4x4 with automatic transmission
6.8L 4.88 10886 (24000) 7076 (15600)
6.8L 5.38 11793 (26000) 7983 (17600)
2003 F250/350/450/550(f23)
Owners Guide (post-2002-fmt)
USA English(fus)
Driving
166

Trailer towing tips
•Practice turning, stopping and backing up before starting on a trip to
get the feel of the vehicle trailer combination. When turning, make
wider turns so the trailer wheels will clear curbs and other obstacles.
•Allow more distance for stopping with a trailer attached.
•The trailer tongue weight should be 10–15% of the loaded trailer
weight.
•After you have traveled 80 km (50 miles), thoroughly check your
hitch, electrical connections and trailer wheel lug nuts.
•To aid in engine/transmission cooling and A/C efficiency during hot
weather while stopped in traffic, place the gearshift lever in P (Park)
(automatic transmission) or N (Neutral) (manual transmissions).
•Vehicles with trailers should not be parked on a grade. If you must
park on a grade, place wheel chocks under the trailer’s wheels.
Launching or retrieving a boat
When backing down a ramp during boat launching or retrieval,
•Do not allow the static water level to rise above the bottom edge of
the rear bumper.
•Do not allow waves to break higher than 15 cm (6 inches) above the
bottom edge of the rear bumper.
•Disconnect the trailer tow electrical connector to prevent blown fuses
caused by water entering into your trailer’s electrical wiring.
Exceeding these limits may allow water to enter critical vehicle
components, adversely affecting driveability, emissions and reliability.
Replace front and rear axle lubricants any time the axles have been
submerged in water. Axle lubricant quantities are not to be checked
unless a leak is suspected.
ALL REAR WHEEL DRIVE (RWD) VEHICLES
This applies to all cars and 4x2 trucks/sport utilities with rear wheel
drive capability.
An example of recreational towing is towing your vehicle behind a
motorhome. The following recreational towing guidelines are designed to
ensure that your transmission is not damaged.
•Place the transmission in N (Neutral).
2003 F250/350/450/550(f23)
Owners Guide (post-2002-fmt)
USA English(fus)
Driving
169

•Maximum speed is 56 km/h (35 mph).
•Maximum distance is 80 km (50 miles).
If a distance of 80 km (50 miles) or a speed of 56 km/h (35 mph) must
be exceeded, you must disconnect the driveshaft. Ford recommends the
driveshaft be removed/installed only by a qualified technician. See your
local dealer for driveshaft removal/installation.
Improper removal/installation of the driveshaft can cause
transmission fluid loss, damage to the driveshaft and internal
transmission components.
RWD vehicles with 4x4 electronic shift transfer case or All Wheel
Drive (AWD) vehicles with automatic transmissions:
Regarding recreational towing or having your vehicle towed, 4x4 vehicles
with electronic shift on the fly and AWD vehicles cannot be towed with
any wheels on the ground (with the exception of moving it as a disabled
vehicle off the road out of traffic).
SNOWPLOWING
Note:Do not use your vehicle to snowplow until it has been driven at
least 800 km (500 miles). Follow the severe duty schedule in your
scheduled maintenance guide for engine oil and transmission fluid
change intervals.
Note:Ford does not install snowplows.
For low speed snow removal, Ford offers a Snowplow Package Option on
select 4x4 vehicles. To assist Ford dealers and equipment installers
further prepare the vehicle for snowplowing, Ford includes instructions
in theFord Truck Body Builders Layout BookandFord Truck Source
Book. These instructions are available through your Ford dealer; they
include the list of vehicle models recommended for snowplowing and
snowplow weight limits. Use of the Snowplow Package Option, or its
equivalent, along with these instructions will help avoid possible
powertrain and chassis damage from snowplowing.
The front and rear GAWR, GVWR, Total Accessory Reserve Capacity
(TARC) and tire inflation pressures are found on the Safety Compliance
Certification Label located on one of the vehicle’s door jambs. This label
is applied to all vehicles completed by Ford Motor Company. Incomplete
vehicles built by Ford Motor Company will have an Incomplete Vehicle
Label in place of the Safety Compliance Label. The TARC does not apply
to Incomplete Vehicles and will not be shown on the Incomplete Vehicle
Label. The weight of the vehicle with occupants must never exceed the
front and rear GAWR or the GVWR.
2003 F250/350/450/550(f23)
Owners Guide (post-2002-fmt)
USA English(fus)
Driving
170

Note:Do not exceed the GVWR or the GAWR specified on the
certification label.
Removing snowplow
After removing a snowplow from the vehicle, ensure the vehicle’s front
toe alignment and front ride height are within specification (reset if
required).
Snowplowing with your air bag-equipped vehicle
Your vehicle is equipped with a driver and passenger air bag
Supplemental Restraint System (SRS) The SRS is designed to activate in
certain frontal and offset frontal collisions when the vehicle sustains
sufficient longitudinal deceleration.
Careless or high speed driving while plowing snow which results in
sufficient vehicle decelerations can deploy the air bag. Such driving also
increases the risk of accidents.
All occupants of the vehicle, including the driver, should always
properly wear their safety belts, even when an air bag (SRS) is
provided.
Never remove or defeat the“tripping mechanisms”designed into the
snow removal equipment by its manufacturer. Doing so may cause
damage to the vehicle and the snow removal equipment as well as
possible air bag deployment.
Do not attempt to service, repair, or modify the Air Bag
Supplemental Restraint System or its fuses. See your Ford or
Lincoln Mercury dealer.
Additional equipment such as snowplow equipment may effect
the performance of the air bag sensors increasing the risk of
injury. Please refer to the Body Builders Layout Book for instructions
about the appropriate installation of additional equipment.
Engine temperature while plowing
When driving with a snowplow, your engine may run at a higher
temperature than normal because the attached snowplow blade will
restrict airflow to the radiator.
If you are driving more than 24 km (15 miles) at temperatures above
freezing, angle the plow blade either full left or full right to provide
maximum airflow to the radiator.
2003 F250/350/450/550(f23)
Owners Guide (post-2002-fmt)
USA English(fus)
Driving
172

If you are driving less than 24 km (15 miles) at speeds up to 64 km/h
(40 mph) in cold weather, you will not need to worry about blade
position to provide maximum airflow.
Refer toTransmission temperaturegauge in theInstrument cluster
chapter for transmission fluid temperature information.
4WD operation while plowing
•Shift transfer case to 4x4 LOW (4WD Low) when plowing in small
areas at speeds below 8 km/h (5 mph).
•
Shift transfer case to 4x4 HIGH (4WD High) when plowing larger areas
or light snow at higher speeds. Do not exceed 24 km/h (15 mph).
•Do not shift the transmission from a forward gear to R (Reverse) until
the engine is at idle and the wheels are stopped.
•If the vehicle is stuck, shift the transmission in a steady motion
between forward and reverse gears. Do not rock the vehicle for more
than a few minutes. The transmission and tires may be damaged or
the engine can overheat.
It is the owner’s responsibility to avoid engine overheating which
can cause damage.
Refer toTransmission temperature gaugein theInstrument cluster
chapter for transmission fluid temperature information.
Do not spin the wheels at over 35 mph (55 km/h). The tires may
fail and injure a passenger or bystander.
2003 F250/350/450/550(f23)
Owners Guide (post-2002-fmt)
USA English(fus)
Driving
173

Canadian customers who require roadside assistance, call
1–800–665–2006.
If you need to arrange roadside assistance for yourself, Ford Motor
Company will reimburse a reasonable amount. To obtain reimbursement
information, U.S. Ford or Mercury vehicles customers call
1-800-241-3673; Lincoln vehicle customers call 1–800–521–4140.
Canadian customers who need to obtain reimbursement information, call
1–800–665–2006.
ROADSIDE COVERAGE BEYOND BASIC WARRANTY
In the United States, you may purchase additional roadside assistance
coverage beyond this period through the Ford Auto Club by contacting
your Ford or Lincoln Mercury dealer.
Similarly in Canada, for uninterrupted Roadside Assistance coverage, you
may purchase extended coverage prior to your Basic Warranty’s Roadside
Assistance expiring. For more information and enrollment, contact
1–877–294–2582 or visit our website at www.ford.ca.
HAZARD FLASHER
The hazard flasher is located on the
steering column, just behind the
steering wheel. The hazard flashers
will operate when the ignition is in
any position.
Push in the flasher control and all
front and rear direction signals will
flash. Press the flasher control again
to turn them off. Use it when your
vehicle is disabled and is creating a
safety hazard for other motorists.
Note:With extended use, the flasher may run down your battery.
FUEL PUMP SHUT-OFF SWITCH
FUEL
RESET
This device stops the electric fuel pump from sending fuel to the engine
when your vehicle has had a substantial jolt.
After an accident, if the engine cranks but does not start, this switch
may have been activated.
2003 F250/350/450/550(f23)
Owners Guide (post-2002-fmt)
USA English(fus)
Roadside Emergencies
175

To remove a fuse use the fuse puller
tool provided on the fuse panel
cover.
The fuses are coded as follows.
Fuse/Relay
LocationFuse Amp
RatingPassenger Compartment Fuse
Panel Description
1 15A* Adjustable pedals
2—Not used
3—Not used
4 20A* Power point - instrument panel
5—Not used
6 20A* Trailer tow turn/stop relay
7 30A* High beam headlamps/Flash to pass
8 15A* Backup lamps (Diesel engine only)
9 20A* Heated mirrors
10 10A* A/C clutch
11 20A* Radio (main)
2003 F250/350/450/550(f23)
Owners Guide (post-2002-fmt)
USA English(fus)
Roadside Emergencies
178

Fuse/Relay
LocationFuse Amp
RatingPassenger Compartment Fuse
Panel Description
12 20A* Cigar lighter / OBD II
13 5A* Power mirrors/switches
14 15A* Daytime running lamps (DRL)
15—Not used
16—Not used
17 15A* Exterior lamps
18 20A* Turn lamps/Brake on-off switch
(high)
19 10A* Body security module/4x4 module
20 10A* Fuel Injection Control Module
(FICM) relay (Diesel engine only)
21—Not used
22 20A* Engine control
23 20A* Engine control (gasoline engine
only), Climate control (Diesel
engine only)
24 2A* Brake pressure switch/Speed
control
25 10A* 4-Wheel Anti-lock Brake System
(4WABS) module, Variable Fan
Control (VFC) (Diesel engine only)
26 10A* Air bags
27 15A* Ignition switch Run feed
28 10A* EATC module/Front blower relay
coil
29 10A* Customer access
30 15A* Highbeam headlamps
31 15A* Clutch interlock switch (manual
transmissions only), Transmission
range sensor (automatic
transmissions only) then to starter
relay coil (all transmissions), 4x4
2003 F250/350/450/550(f23)
Owners Guide (post-2002-fmt)
USA English(fus)
Roadside Emergencies
179

Fuse/Relay
LocationFuse Amp
RatingPassenger Compartment Fuse
Panel Description
32 5A* Radio (start)
33 15A* Front wiper
34 10A* Brake on-off switch
35 10A* Instrument cluster
36 10A* PCM Memory
37 15A* Horn
38 20A* Trailer tow park lamps
39 15A* Trailer tow back-up lamps
40 20A* Fuel pump
41 10A* Instrument cluster
42 15A* Delayed accessory
43 10A* Fog lamps
44—Not used
45 10A* Ignition switch Run/Start feed
46 10A* Left-hand lowbeam
47 10A* Right-hand lowbeam
48—Not used
101 30A** Trailer tow electric brake
102 30A** Door locks/Body security module
103 50A** Ignition switch (gasoline engine
only), FICM power (Diesel engine
only)
104 40A** Heated backlight
105 30A** Fuel heater (Diesel engine only)
106 30A** Front wiper main
107 40A** Front blower motor
108—Not used
109 30A** Heated seats
110 50A** Ignition switch
111 30A** 4WD/Shift on the fly
112 30A** Left-hand power seats
2003 F250/350/450/550(f23)
Owners Guide (post-2002-fmt)
USA English(fus)
Roadside Emergencies
180