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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 km)
Replace front wheel bearing grease and grease
seals if non-sealed bearings are used.
Every 50000 miles
(80000 km)
Change rear axle fluid (F-450/550 only).
Every 60000 miles
(96000 km)
Change transfer case fluid (4WD vehicles).
*
Vehicles equipped with dual rear wheels should rotate the front wheels
when specified; rear wheels only if unusual wear is noted.
Exclusive Use of E85 (Flex Fuel Vehicles Only)
Every oil change
interval
If ran exclusively on E85, fill the fuel tank full
with regular unleaded fuel.
408 Scheduled Maintenance
2013 F-250/350/450/550 (f23)
Owners Guide gf, 1st Printing
USA (fus)
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