Maintenance and Service Guide

• Towing or carrying heavy loads

• Extensive idling and/or driving at low-speeds for long distances

• Driving in dusty conditions

• Off-road operation

• Use of E85 fuel 50% of the time or greater (flex fuel vehicles only)

Exceptions

In addition, there are several exceptions to the Normal Schedule for specific

vehicles or special applications on page 34.

These exceptions are:

• Natural Gas and Propane Vehicles — fuel tank intervals

• Class A Motorhome/E-550 — change the brake fluid and automatic

transmission fluid

• Normal vehicle axle — maintenance and lubrication

• Police and Taxi vehicle axles — maintenance and lubrication

• Engine oil and Premium Gold coolant — time and mileage based

interval

If you have any questions about your driving conditions, or for further

clarification, please see your dealer.

General Maintenance Information

2003 Universal Service Guide (usg)

Universal Service Guide

USA English (fus)