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E450 and F450/550 Axle Maintenance
❑ Replace rear axle lubricant every 100,000 miles under normal driving conditions on all E450 and
F450/550 applications. For E450 and F450/550 vehicles operated at or near maximum Gross
Vehicle Weights, the rear axle lubricant should be replaced every 50,000 miles. In addition, this
50,000 mile schedule should be observed when the vehicles are operated under the Special Operating
Conditions, where noted, on pages 42-43.
California Fuel Filter Replacement
❑ If vehicle is registered in California, the California Air Resources Board has determined that the failure
to perform this maintenance item will not nullify the emission warranty or limit recall liability prior to
the completion of the vehicle’s useful life. We, however, urge that all recommended maintenance
services be performed at the indicated intervals and the maintenance be recorded.
Class A Motorhome
❑ Every two years - Change brake fluid
❑ Every 30,000 miles - Change automatic transmission fluid
E
XCEPTIONS
Scheduled Maintenance
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Special Operating Conditions & Exceptions
Special Operating
Conditions &
Exceptions