Dodge 2005 Durango Owner's Manual page 312

312 MAINTAINING YOUR VEHICLE
CAUTION!
Overfilling or underfilling the crankcase will cause
oil aeration or loss of oil pressure. This could dam-
age your engine.
Frequency Of Oil Change
Road conditions and your style of driving affect the
interval at which your oil should be changed. Check the
following to determine if ANY apply to you:
• Day or night temperatures are below 32°F (0°C).
• Stop and Go driving.
• Extensive engine idling.
• Driving in dusty conditions.
• Short trips of less than 10 miles (16.2 km).
• More than 50% of your driving is at sustained high
speeds during hot weather, above 90°F (32°C).
• Trailer towing, Taxi, Police or delivery service (com-
mercial service).
• Off-Road or desert operation.
• If equipped for and operating with E-85 (ethanol)
fuel.
NOTE: If ANY of these apply to you then change your
engine oil every 3,000 miles (5 000 km) or 3 months,
whichever comes first and follow schedule "B" of the
Maintenance Schedules section of this manual.
If none of these apply to you, then change your engine oil
at every interval shown on schedule A of the Mainte-
nance Schedules section of this manual.
4x4 Models, If Used Primarily For Off-Road Operation
Every 50 hours of use.