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Scheduled Maintenance
Off-road operation
Inspect frequently, service
as required
Inspect steering linkage, ball joints and U-joints, Lubricate
if equipped with grease fittings.
Replace engine air filter.
Every 5000 miles (8000
km) or six months
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.
Every 30000 miles (48000 Replace front wheel bearing grease and grease seals if
km)
non-sealed bearings are used.
*
Vehicles with dual rear wheels should rotate the front wheels when specified; rear wheels
only if unusual wear is noted.
Diesel Engine
If you operate your vehicle primarily in any
of the following conditions, you need to
perform extra maintenance as indicated.
If you operate your vehicle occasionally
under any of these conditions, it is not
necessary to perform the extra
maintenance. For specific
recommendations, see your dealership
service advisor or technician.
Towing a trailer
As required
Change the engine oil and filter as indicated by the
information display, and perform the services listed in the
scheduled maintenance chart.
Every 15000 miles (24000
km) or 600 engine hours
Inspect the coolant concentration (freeze-point protection) and additive (corrosion inhibitor) strength. Add
engine coolant additive if necessary.
See the axle maintenance items under Exceptions.
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F650750 (TBC), enUSA, First Printing