2005 Chrysler Pacifica: What is the oil type and capacity?

The type of oil and capacity needed on the 2005 Chrysler Pacifica depends on the size of the engine that You own. If You own a 3.5 liter engine then Your viscosity is SAE 10W-30 with a capacity of 5.5 quarts. The viscosity needed on the 3.8 liter engine is SAE 5W-20 with a capacity of 5 quarts. Remember when purchasing oil to look for the API certification on the label of the bottle. The purpose of engine oil on Your vehicle is to keep Your motor and its parts lubricated. It regulates temperatures, cleans, and reduces friction so that its parts last a long time. Remember to change Your oil as needed and to check the level at least once a week.