What kind of oil does a 2005 Ford Freestar 3.9 take?
The Freestar 3.9L V6 requires SAE 5W-20 motor oil.
In practice, you can use conventional, synthetic-blend, or full synthetic 5W-20 oil, as long as it meets API certification. The oil capacity for a full change with a filter is about 5 quarts.
Oil types and viscosity
The 2005 Freestar’s 3.9L engine is designed to run on 5W-20 oil. Below are the common oil types you can choose from, all with a 5W-20 specification.
- Conventional 5W-20 motor oil
- Synthetic-blend 5W-20 motor oil
- Full synthetic 5W-20 motor oil
Whichever option you choose, ensure the oil is API-certified and labeled for gasoline engines. Use the correct oil filter during a change and consult the owner’s manual for any model-year specific notes.
Capacity and service notes
For a standard oil change, expect to replace about 5 quarts of oil, plus a new filter. After pouring in new oil, run the engine briefly, check for leaks, and recheck the oil level with the dipstick to confirm it’s within the proper range.
Summary
In short, the 2005 Ford Freestar 3.9 take uses 5W-20 oil in any of its conventional, synthetic-blend, or full-synthetic forms, with an approximate change capacity of 5 quarts plus a filter. Always verify compatibility with your vehicle’s manual and use API-certified oil.
