2007 Chrysler Aspen Owner's Manual - Page 432

M 432 SCHEDULE "B" A I N Miles T (Kilometers) E N Change engine oil and engine oil filter at interval shown A or 3 months, whichever comes first. N C Rotate tires. E Check spare tire for proper pressure and correct stowage. S C H E D U L E S 141,000 (235 000) X 144,000 (240 000) X X X 147,000 (245 000) X 150,000 (250 000) X X X X X X X X X 8 Drain and refill transfer case fluid (4X4). Change front and rear axle fluid (4X4). Inspect brake linings. Inspect engine air cleaner filter, replace if necessary. Replace spark plugs. Inspect PCV valve, replace as necessary. ** Inspect auto tension drive belt and replace if required. X