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Inspect frequently, service
as required
Every 5,000 mi (8,000 km)
or six months
Every 60,000 mi
(96,000 km)
*
Reset your Intelligent Oil-Life Monitor after each engine oil and filter change.
Exceptions
There are several exceptions to the Normal
Schedule.
Navigator (TB5) Canada/United States of America, enUSA, Edition date: 201712, Second Printing
Scheduled Maintenance
Inspect steering linkage, ball joints and U-joints. Lubricate if equipped with grease fittings.
Replace engine air filter.
*
Change engine oil and filter.
Inspect the wheels and related components for abnormal noise, wear, looseness or drag.
Rotate tires, inspect tires for wear and measure tread depth.
Change transfer case fluid (Four-wheel drive vehicles).
Axle and Transfer Case Maintenance
Axle(s) and transfer case (four-wheel drive
vehicles) fluid changes or level checks are
not required unless a leak is suspected or
the assembly has been submerged in water.
During long periods of trailer towing with
outside temperatures above 69.8°F (21°C) or
at wide-open throttle for long periods above
40 mph (72 km/h), change the rear axle fluid
every 30,000 mi (48,000 km) or three
Off-road operation
464
months, whichever comes first, if the rear
axle is filled with non-synthetic fluid. This
interval can be waived and the 150,000 mi
(240,000 km) service interval can continue
if the rear axle is filled with 75W85 synthetic
gear fluid meeting Ford specification
WSS-M2C942-A, part number XY-75W85-QL,
or equivalent. Add friction modifier XL-3
(EST-M2C118-A) or equivalent for complete
refill of Traction-Lok rear axles.
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Troubleshooting
