Off-road operation
As required
– Inspect steering and suspension ball joints and tie rods;
lubricate if equipped with grease fittings
– Inspect functional holes in each leg of the twin tip and
the holes under the shield just inboard of the right rear
tire to make sure they are kept clean/clear of debris or
foreign materials. Refer to the
Cleaning chapter for more
information
Every 7,500 miles (12,000 km)
– Inspect air filter restriction gauge; replace filter as
indicated by gauge
– Rotate tires, inspect tires for wear and measure tread
depth and inspect wheel ends for endplay and noise; dual
rear wheels should only be rotated if unusual wear is
observed
– Inspect brake system pads and rotors
Every 7,500 miles (12,000 km) or
300 engine hours
– Change engine oil and filter
– Inspect and lubricate U-joints
Every 15,000 miles (24,000 km),
6 months, 600 engine hours or as
indicated by message center
– Replace engine- and frame-mounted fuel filters
Every 30,000 miles (48,000 km)
– Replace wheel bearing grease/grease seals if non-
sealed bearings are used (2WD vehicles)
Every 50,000 miles (80,000 km)
– Change rear axle fluid (if equipped with a Dana rear
axle; some F-350s, all F-450/550s)
– Change transfer case fluid (4WD vehicles)
– Inspect front axle fluid (4WD vehicles)
Reset your Intelligent Oil Life Monitor™ after each engine oil and filter
change; refer to the
Instrument Cluster
chapter of the
Owner’s Guide.
Scheduled Maintenance Guide
87
2011 Diesel
(eco)
Supplement, 5th Printing
USA
(fus)
