Maintenance and Service Guide

Off-road operation
Every 5,000 miles or 6 months Change engine oil and replace oil filter
Rotate tires, inspect tires for wear and measure tread
depth
Inspect the wheels and related components for
abnormal noise, wear, looseness, or drag
Every 30,000 miles Change automatic transmission/transaxle fluid (not
required on 6R60/6R75/TorqShift transmissions)
Replace wheel bearing grease and grease seals on
4x2 front wheel bearings (if non-sealed bearings)
Every 50,000 miles Change manual transmission fluid
Change rear axle lubricant (E–450 and F–450/550
only)
Every 60,000 miles Change transfer case fluid
As required Replace cabin air filter (if equipped)
Inspect and lubricate steering linkage ball joints and
U-joints (if equipped with zerk fittings)
Use of E85 50% of the time or greater (flex fuel vehicles only)
Every 5,000 miles Rotate tires, inspect tires for wear and measure tread
depth
Inspect the wheels and related components for
abnormal noise, wear, looseness, or drag
Every 3,000 miles Fill fuel tank with a full tank of regular unleaded fuel
Every 5,000 miles or 6 months Change engine oil and replace oil filter
S PECIAL O PERATING C ONDITIONS
Scheduled Maintenance 45
2009 Scheduled Maintenance Guide (smg)
Scheduled Maintenance Guide
USA (fus)
Special Operating
Conditions &
Exceptions