2007 Dodge Durango Owner's Manual - Page 428

M 428 SCHEDULE "B" A I N Miles T (Kilometers) E N Change engine oil and engine oil filter, or at 3 A months whichever comes first. N C Rotate tires. E Check spare tire for proper pressure and correct S C H E D U L E S 18,000 (30 000) X X X 21,000 (35 000) X 24,000 (40 000) X X X 27,000 (45 000) X 30,000 (50 000) X X X X X X 8 stowage. Change rear axle fluid. Change front axle fluid (4X4). Check transfer case fluid level (4X4). Inspect brake linings. Inspect engine air cleaner filter, replace if necessary. Replace spark plugs. Inspect PCV valve, replace as necessary.* X X X X