2009 Chrysler Aspen Owner Manual - Page 440

M A I N T E N A N C E S C H E D U L E S 438 MAINTENANCE SCHEDULES • Check the fluid levels of coolant reservoir, brake master cylinder, power steering and transmission and add as needed. • Check all lights and other electrical items for correct operation. At Each Oil Change • Change the engine oil filter. • Inspect the brake hoses and lines. Required Maintenance Intervals NOTE: ** Vehicles built with the 4.7L engine are equipped with 16 spark plugs; one set is located on the top of the engine under the coils and the second set is located on the side of the engine. The spark plugs located under the coils are a standard plug and must be changed every 30,000 miles (50 000 km). The spark plugs located on the side of the engine are a premium plug and must be changed every 102,000 miles (170 000 km). CAUTION! Failure to perform the required maintenance items may result in damage to the vehicle. 8