tires FORD SUPER DUTY 2012 3.G Manual Online

Extensive idling and/or low-speed driving for long distances as
in heavy commercial use (i.e. delivery, taxi, patrol car or livery)
Inspect frequently,
service as requiredReplace cabin air filter (if equipped)
Replace engine air filter
Every 5,000 miles
(8,000 km)Inspect brake system
Inspect wheels and related components for
abnormal noise, wear, looseness or drag
Lubricate control arm and steering ball joints if
equipped with grease fittings
Rotate tires*, inspect tires for wear and measure
tread depth
Every 5,000 miles
(8,000 km) or
6 monthsInspect and lubricate U-joints
Every 5,000 miles
(8,000 km),
6 months or 200
engine hoursChange engine oil and filter
Every 30,000 miles
(48,000 km)Change automatic transmission fluid (except
6R80 and TorqShifttransmissions)
Replace front wheel bearing grease/grease seals if
non-sealed bearings are used (2WD vehicles)
Every 60,000 miles
(96,000 km)Change transfer case fluid (4WD vehicles)
Replace spark plugs
*If equipped with dual rear wheels, rotate front wheels when specified,
rear wheels only if unusual wear is noted
Scheduled Maintenance
441
2012 F-250/350/450/550(f23)
Owners Guide, 1st Printing
USA(fus)

Operating in dusty conditions such as unpaved or dusty roads
Inspect frequently,
service as requiredReplace cabin air filter (if equipped)
Replace engine air filter
Every 5,000 miles
(8,000 km)Inspect the wheels and related components for
abnormal noise, wear, looseness or drag
Rotate tires*, inspect tires for wear and measure
tread depth
Every 5,000 miles
(8,000 km) or
6 monthsChange engine oil and filter
Inspect and lubricate U-joints
Every 30,000 miles
(48,000 km)Change automatic transmission fluid (except
6R80 and TorqShifttransmissions)
Replace front wheel bearing grease/grease seals if
non-sealed bearings are used (2WD vehicles)
Every 50,000 miles
(80,000 km)Change rear axle fluid (F-450/550 only)
Every 60,000 miles
(96,000 km)Change transfer case fluid (4WD vehicles)
*If equipped with dual rear wheels, rotate front wheels when specified,
rear wheels only if unusual wear is noted
Scheduled Maintenance
442
2012 F-250/350/450/550(f23)
Owners Guide, 1st Printing
USA(fus)

Off-road operation
Inspect frequently,
service as requiredInspect steering linkage, ball joints and U-joints;
lubricate if equipped with grease fittings
Replace cabin air filter (if equipped)
Replace engine air filter
Every 5,000 miles
(8,000 km) or
6 monthsChange engine oil and filter
Inspect wheels and related components for
abnormal noise, wear, looseness or drag
Rotate tires*, inspect tires for wear and measure
tread depth
Every 30,000 miles
(48,000 km)Change automatic transmission fluid (except
6R80 and TorqShifttransmissions)
Replace front wheel bearing grease/grease seals if
non-sealed bearings are used (2WD vehicles)
Every 50,000 miles
(80,000 km)Change rear axle fluid (F-450/550 only)
Every 60,000 miles
(96,000 km)Change transfer case fluid (4WD vehicles)
*If equipped with dual rear wheels, rotate front wheels when specified,
rear wheels only if unusual wear is noted
Exclusive use of E85 (Flex Fuel Vehicles only)
Every oil change
intervalIf ran exclusively on E85, fill the fuel tank full
with regular unleaded fuel
Scheduled Maintenance
443
2012 F-250/350/450/550(f23)
Owners Guide, 1st Printing
USA(fus)

SecuriCode keyless entry
system ........................................152
SecuriLock passive anti-theft
system ................................153–154
Servicing your vehicle ..............374
Setting the clock ...................62, 64
Snowplowing .................7, 319–320
SOS Post Crash Alert ...............193
Spark plugs,
specifications .....................413, 418
Special notice ................................7
ambulance conversions ..............7
diesel-powered vehicles .............6
four-wheel drive vehicles .......321
utility-type vehicles ....................6
Speed control ............................113
Starting a flex fuel vehicle .......272
Starting your vehicle ........269–272
jump starting ..........................351
Steering wheel
controls ....................................115
tilting .......................................101
SYNC..........................................79
T
Tailgate ......................................127
Tilt steering wheel ....................101
Tire Pressure Monitoring
System (TPMS)
Tires, Wheels and Loading ....240
Tires ...........................222–224, 334
alignment ................................232
care ..........................................228
changing ..................334, 337, 340
checking the pressure ............227
inflating ...................................225label .........................................239
replacing ..................................230
rotating ....................................233
safety practices .......................231
sidewall information ...............234
snow tires and chains ............247
spare tire .................................335
terminology .............................224
tire grades ...............................223
treadwear ........................223, 229
Towing .......................................255
recreational towing .................267
Trailer Brake
Controller-Integrated ..............260
trailer towing ..........................255
wrecker ....................................355
Traction control ........................278
Trailer Brake
Controller-Integrated ................260
Trailer sway control ..................285
Transfer case
fluid checking .........................407
Transmission .............................291
brake-shift interlock (BSI) ....289
fluid, checking and adding
(automatic) .............................404
fluid, refill capacities ..............414
Turn signal ..................................93
U
Universal garage door opener ..120
Upfitter controls .......................117
USB port ......................................72
V
Vehicle Identification Number
(VIN) ..........................................420
Vehicle loading ..........................248
Index
453
2012 F-250/350/450/550(f23)
Owners Guide, 1st Printing
USA(fus)