2009 Dodge Ram 1500 Pickup Owner Manual - Page 452

450 MAINTAINING YOUR VEHICLE Lubricants which do not have both the engine oil certi- environment. Contact your authorized dealer, service fication mark and the correct SAE viscosity grade num- station or governmental agency for advice on how and where used oil and oil filters can be safely discarded in ber should not be used. your area. Synthetic Engine Oils You may use synthetic engine oils if the recommended oil Engine Oil Filter quality requirements are met and the recommended The engine oil filter should be replaced at every engine maintenance intervals for oil and filter changes are oil change. followed. Engine Oil Filter Selection Materials Added to Engine Oil The manufacturer's engines have a full-flow type oil The manufacturer strongly recommends against the ad- filter. Use a filter of this type for replacement. The quality dition of any additives (other than leak detection dyes) to of replacement filters varies considerably. Only highthe engine oil. Engine oil is an engineered product and its quality filters should be used to assure most efficient performance may be impaired by supplemental service. MOPAR௡ engine oil filters are a high-quality oil filter and are recommended. additives. Disposing of Used Engine Oil and Oil Filters Engine Air Cleaner Filter Care should be taken in disposing of used engine oil and Refer to the "Maintenance Schedule" in Section 8 for the oil filters from your vehicle. Used oil and oil filters, proper maintenance intervals. indiscriminately discarded, can present a problem to the