2003 FORD F750 tires

Maintenance Operation Frequency - Observation
Inspect the automatic slack
adjuster functionInsufficient power shown in loaded
practice stop
Check the operation of the
brakes, the clutch, and the
steering (*b,a)Vehicle handling qualities not up to
par
Inspect the vehicle for missing,
damaged, or mislocated noise
shieldsExcessive noise emanates from under
the cab or engine compartment
Check the engine performance
and the engine governorExcessive engine noise
Inspect the fan, the fan shroud,
and the fan clutchEngine overheats, fans runs at high
speed constantly, excessive fan noise,
or fan wobble due to worn bearings
Check for operation of ABS
warning lampAt each engine start up
Inspect the entire exhaust
system (including inlet pipe,
muffler, outlet pipe and all
exhaust clamps and fasteners)
for holes, leakage, breakage,
looseness and corrosive
damageExcessive noise or the smell of fumes
is experienced
Inspect the engine air
induction system (including the
air ducts, the air cleaner, and
the air cleaner element) for
loose fitting, damaged or
missing componentsExcessive noise emanates from the
engine compartment
Inspect the tires and check the
air pressure (*c)Poor steering, wandering or excessive
tire wear
Balance the wheels and the
tiresVibration or abnormal tire wear
indicates imbalance
Check the front end alignment
(*c)Poor steering, wandering or excessive
tire wear
General Maintenance Information
237

Maintenance Operation Frequency - Observation
Check the transmission and
engine mountings (*b)Hard shifting or excessive vibration
Check and adjust transmission
controls (*b)High effort to shift or noisy
transmission
Check fuel pump pressure Insufficient full-throttle power or
backfiring
Clean radiator cap seal. Clean
and inspect the cap surface on
the radiatorWhen the cap does not hold pressure
Check the battery terminals for
corrosionWhenever electrical power supply has
diminished
Tighten the wheel mounting
nuts to the specified torque.
Refer toServicing your
wheels and tiresRequired initially at 804 and 1 609 km
(500 and 1 000 miles). Perform again
at 804 and 1 609 km (500 and 1 000
mile) intervals after each tire
removal/replacement.
*a During maintenance and repair, protect the fuel tube and the hose
assemblies, the power steering lines, and the brake lines from the
external heat, the acids and the abrasion that could damage the lines.
*b Check for (free) linkage action and ensure that (return) spring
force is adequate to maintain pedal free play.
*c Adjust, repair or replace as required with the same or equivalent
parts.
General Maintenance Information
238

replacing the batteries .............84
Roadside assistance ..................150
S
Safety belts (see
Safety restraints) ..................92–93
Safety defects, reporting ..........173
Safety restraints ....................92–93
belt minder ...............................96
cleaning the safety belts ........100
extension assembly ................100
for adults ...................................93
for children .............................101
lap belt ......................................95
warning light and
chime .............................12, 15, 96
Safety seats for children ..........104
Seat belts (see
Safety restraints) ........................92
Seats ............................................86
child safety seats ....................104
Servicing your vehicle ..............229
Speed control ..............................76
Speedometer ...............................18
Starting your vehicle ................109
jump starting ..........................165
preparing to start your
vehicle .....................................109
Steering wheel
controls ................................69, 76
tilting .........................................69
T
Tachometer .................................19
Temperature control
(see Climate control) .................56Tires ...........................................210
checking the pressure ....212, 214
Tires - servicing ........................212
Towing
wrecker ....................................164
Transmission
fluid, checking and adding
(automatic) .............................204
fluid, checking and adding
(manual) .................................204
manual operation ....................141
Trip odometer .............................19
Turn signal ............................14, 63
V
Vehicle Identification Number
(VIN) ..........................................222
Vehicle loading ..........................149
W
Warning chimes ...............9, 15, 118
Warning lights (see Lights) .........9
Washer fluid ..............................180
reservoir ..................................180
Water, Driving through .............148
Wheels .......................................210
Windows
power .........................................74
Windshield washer fluid and
wipers
checking and cleaning ..............68
operation ...................................68
replacing wiper blades .............69
Wrecker towing .........................164
Index
246