Every 15,000 miles
(24,000 km)Replace cabin air filter (if equipped)
Every 30,000 miles
(48,000 km)
Replace climate-controlled seat filter (if equipped)
Replace engine air filter
Every 37,500 miles
(60,000 km)Inspect valve clearances; adjust as necessary
(Transit Connect CNG vehicles)
Every 60,000 miles
(96,000 km)Change automatic transmission fluid and filter on
5–speed TorqShifttransmission; consult dealer
for requirements
Replace front wheel bearing grease/grease seal if
non-sealed bearings are used (2WD vehicles)
Every 97,500 miles
(156,000 km)Replace spark plugs
Every 105,000 miles
(168,000 km)Change engine coolant
1
Change manual transmission fluid (except Escape)
Change rear axle fluid (Dana axles)
Inspect accessory drive belt(s)2
Every 150,000 miles
(240,000 km)Change automatic transmission fluid and filter
(except 5–speed TorqShifttransmission) (filter
not required on 6F35, 6F50, DPS6 and AWF-21
transmissions); consult dealer for requirements
Change front axle fluid (4WD vehicles)
Change manual transmission fluid (Escape)
Change rear axle fluid (RWD vehicles)
Change transfer case fluid (4WD vehicles)
Replace accessory drive belt(s) if not replaced
within the last 100,000 miles (160,000 km)
Replace front wheel bearings and seals if
non-sealed bearings are used (2WD vehicles)
1Initial replacement at 105,000 miles (168,000 km) or 72 months; every
45,000 miles (72,000 km) or 36 months thereafter
2Perform a follow-up inspection at 120,000 miles (192,000 km)
Scheduled Maintenance
363
2012 Navigator(nav)
Owners Guide, 1st Printing
USA(fus)
SPECIAL OPERATING CONDITIONS
If you operate your vehicleprimarilyin one of the more demanding
conditions listed below, you will need to have some items maintained
more frequently. If you onlyoccasionallyoperate your vehicle under
these conditions, it is not necessary to perform the additional
maintenance. For specific recommendations, see your dealership service
advisor or technician.
Towing a trailer or using a camper or car-top carrier
Inspect frequently,
service as requiredInspect and lubricate U-joints
See axle maintenance items underExceptions
Every 5,000 miles
(8,000 km)Inspect wheels and related components for
abnormal noise, wear, looseness or drag
Rotate tires*, inspect tire 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 60,000 miles
(96,000 km)Change manual transmission fluid
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
367
2012 Navigator(nav)
Owners Guide, 1st Printing
USA(fus)
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 tire 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
368
2012 Navigator(nav)
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 wheels and related components for
abnormal noise, wear, looseness or drag
Rotate tires*, inspect tire 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 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 50,000 miles
(80,000 km)Change manual transmission fluid
Change rear axle fluid (E-450 and 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
369
2012 Navigator(nav)
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)Change engine oil and filter
Inspect wheels and related components for
abnormal noise, wear, looseness or drag
Rotate tires*, inspect tire 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 manual transmission fluid
Change rear axle fluid (E-450 and 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
370
2012 Navigator(nav)
Owners Guide, 1st Printing
USA(fus)
A
ABS (see Brakes) .....................231
Accessory delay ..........................74
AdvanceTrac ..............................233
Airbag supplemental restraint
system ........................155, 159, 162
and child safety seats ............157
description ..............155, 159, 162
disposal ....................................165
driver airbag ............157, 160, 163
indicator light .................159, 165
operation .................157, 160, 163
passenger airbag .....157, 160, 163
side airbag ...............................159
Air cleaner filter ...............336, 341
Air suspension ...........................240
description ..............................240
Antifreeze
(see Engine coolant) ................316
Anti-lock brake system
(see Brakes) ..............................231
Anti-theft system ..............116, 120
arming the system ..................120
disarming a triggered system..121
Audio system (see Radio) .........30
Automatic transmission
driving an automatic
overdrive .................................242
fluid, adding ............................336
fluid, checking ........................336
fluid, refill capacities ..............342
fluid, specification ..................342
Auxiliary input jack (Line in) ....37
Auxiliary power point .................71
Axle
lubricant specifications ..........342
refill capacities ........................342B
Battery .......................................314
acid, treating emergencies .....314
jumping a disabled battery ....285
maintenance-free ....................314
replacement, specifications ...341
servicing ..................................314
Belt-Minder.............................151
deactivating/activating the
Belt-Minder...........................154
Blind spot mirror ......................252
Booster seats .............................181
Brakes ........................................230
anti-lock ...................................231
anti-lock brake system (ABS)
warning light ...........................231
fluid, checking and adding ....335
fluid, refill capacities ..............342
fluid, specifications .................342
lubricant specifications ..........342
parking ....................................232
shift interlock ..........................241
Bulbs ............................................60
C
Capacities for refilling fluids ....342
Car2UHome Automation
System .........................................84
Cargo cover .................................96
Cargo management system ........96
Cell phone use ..............................9
Changing a tire .........................275
Child safety seats ......................170
in front seat ............................171
in rear seat ..............................171
LATCH .....................................174
Index
376
2012 Navigator(nav)
Owners Guide, 1st Printing
USA(fus)
Starting a flex fuel vehicle .......226
Starting your
vehicle ........................223–224, 226
jump starting ..........................285
Steering wheel
controls ......................................82
tilting .........................................67
SYNC..........................................47
T
Third-row power fold seat .......141
Tire Pressure Monitoring
System (TPMS)
Driving .....................................258
Tires, Wheels and Loading ....203
Warning Displays ................12, 25
Tires ...........................188–189, 275
alignment ................................197
care ..........................................192
changing ..........................275, 279
checking the pressure ............192
inflating ...................................190
label .........................................202
replacing ..................................194
rotating ....................................197
safety practices .......................196
sidewall information ...............198
snow tires and chains ............207
spare tire .................................275
terminology .............................189
tire grades ...............................189
treadwear ........................188, 193
Towing .......................................215
recreational towing .................222
trailer towing ..........................215
wrecker ....................................289Transmission .............................242
brake-shift interlock (BSI) ....241
fluid, checking and adding
(automatic) .............................336
fluid, refill capacities ..............342
lubricant specifications ..........342
Turn signal ..................................58
U
Universal garage door opener ....84
USB port ......................................39
V
Vehicle Identification Number
(VIN) ..........................................347
Vehicle loading ..........................208
Ventilating your vehicle ...........227
W
Warning lights (see Lights) .......12
Washer fluid ..............................309
Water, Driving through .............263
Windows
power .........................................73
rear wiper/washer .....................66
Windshield washer fluid and
wipers ..........................................65
checking and adding fluid .....309
liftgate reservoir .....................309
replacing wiper blades ...........310
Wrecker towing .........................289
Index
381
2012 Navigator(nav)
Owners Guide, 1st Printing
USA(fus)