2009 Dodge Ram 2500 Pickup Owner Manual - Page 434
2009 Dodge Ram 2500 Pickup Manual
Page 434 highlights
432 MAINTAINING YOUR VEHICLE dipstick. Adding one quart of oil when the reading is at the bottom of the SAFE zone will result in a reading at the top of the safe zone on these engines. CAUTION! Overfilling or underfilling the crankcase will cause oil aeration or loss of oil pressure. This could damage your engine. Change Engine Oil Refer to the "Maintenance Schedule" in Section 8 for the proper maintenance intervals. Engine Oil Selection For best performance and maximum protection under all types of operating conditions, the manufacturer only recommends engine oils that are API Certified and meet the requirements of Chrysler Material Standard MS-6395. American Petroleum Institute (API) Engine Oil Identification Symbol This symbol means that the oil has been certified by the American Petroleum Institute (API). The manufacturer only recommends API Certified engine oils. Engine Oil Viscosity (SAE Grade) SAE 5W-20 engine oil is recommended for all operating temperatures. This engine oil improves low temperature starting and vehicle fuel economy. The engine oil filler cap also shows the recommended engine oil viscosity for your engine. For information on engine oil filler cap location, refer to "Engine Compartment" in this section.