2005 Dodge Ram 2500 Pickup Owner Manual Diesel - Page 405

Schedule "B" Follow schedule "B" if you usually operate your vehicle under one or more of the following conditions. • Frequent short trips where the engine does not achieve full operating temperature (operating temperature defined as 190° F (66° C) coolant temperature). • Extensive engine idling (over 10 minutes per hour of operation) at ambient temperatures less than 32° F (0° C). • Driving in dusty conditions. A I N • Taxi, police, or delivery service (commercial service). T E N • Off-road or desert operation. A • Extensive operation at high engine speeds (greater N C than 2900 rpm) and loads (greater than 70% throttle). E SCHEDULE "B" 405 M • Frequent trailer towing. NOTE: If ANY of these apply to you then change your coolant every 102,000 miles (163 000 km) or 60 months, whichever comes first and follow schedule "B" of the ЉMaintenance SchedulesЉ section of this manual. S C H E D U L E S 8