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Off-road operation
Inspect steering linkage, ball joints and U-joints. Lubricate if equipped with grease fittings.Inspect frequently, service
as required
Replace engine air filter.
Change engine oil and filter.
*
Every 5,000 mi (8,000 km)
or six months
Inspect the wheels and related components for abnormal noise, wear, looseness or drag.
Rotate tires, inspect tires for wear and measure tread depth.
Replace front wheel bearing grease and grease seals if non-sealed bearings are used (Two-wheel drive
vehicles).
Every 30,000 mi
(48,000 km)
Change transfer case fluid (Four-wheel drive vehicles).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.
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 70°F (21°C) or
at wide-open throttle for long periods above
45 mph (72 km/h), change the rear axle fluid
every 30,000 mi (48,000 km) or three
months, whichever comes first, if the rear
axle is filled with non-synthetic fluid. This
interval can be waived and the 150,000 mi
(240,000km) service interval can continue if
466
Navigator (TB5) Canada/United States of America, enUSA, First Printing
Scheduled Maintenance
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