2009 Dodge Journey Owner's Manual - Page 429
2009 Dodge Journey Manual
Page 429 highlights
MAINTAINING YOUR VEHICLE 427 Engine Oil Viscosity (SAE Grade) - 2.4L and 2.7L Engines 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 the "Engine Compartment" illustration in this section. Lubricants that do not have both, the engine oil certification mark and the correct SAE viscosity grade number should not be used. Engine Oil Viscosity (SAE Grade) - 3.5L Engine SAE 10W-30 engine oil is preferred for use in 3.5L Engines for all operating temperatures. 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 the "Engine Compartment" illustration in this section. Lubricants that do not have both, the engine oil certification mark and the correct SAE viscosity grade number should not be used. Synthetic Engine Oils You may use synthetic engine oils provided the recommended oil quality requirements are met, and the recommended maintenance intervals for oil and filter changes are followed. Materials Added to Engine Oil The manufacturer strongly recommends against the addition of any additives (other than leak detection dyes) to the engine oil. Engine oil is an engineered product and its performance may be impaired by supplemental additives. 7