2008 Chrysler Aspen Owner Manual - Page 445

M 444 MAINTENANCE SCHEDULES A I N T E N Maintenance Items A N Replace the engine air cleaner filter. C Inspect the transfer case fluid. E S C H E D U L E S Perform Maintenance Every (Where time and mileage are listed, follow the interval that occurs first.) Miles 30,000 30,000 30,000 30,000 60,000 Kilometers 50 000 50 000 50 000 50 000 100 000 or Months 30 30 30 30 60 8 Replace the top row of spark plugs on 4.7L engines. ** Replace the spark plugs on 3.7L and 5.7L engines. Change the automatic transmission fluid & filter if using your vehicle for any of the following: police, taxi, fleet or frequent trailer towing. Change the transfer case fluid if using your vehicle for any of the following: police, taxi, fleet, off-road or frequent trailer towing. Inspect and replace PCV valve if necessary. Flush and replace the engine coolant. Replace the ignition cables on 4.7L engines. Replace the side row of spark plugs on 4.7L engines. ** 60,000 90,000 102,000 102,000 102,000 100 000 150 170 170 170 000 000 000 000 60 90 60 102 102