In short, the 2010 Ford Flex uses SAE 5W-20 motor oil. The recommended brand is Ford Motorcraft 5W-20, but any oil that meets Ford’s specification (WSS-M2C945-A or newer) is acceptable. The engine holds about 5 quarts of oil with a filter.
Oil Type and Specifications
Understanding the exact oil requirements helps prevent improper lubrication and supports engine performance across varying climates.
Viscosity and grade
The owner's manual specifies SAE 5W-20 for normal operation. A synthetic or synthetic-blend 5W-20 provides robust protection and better fuel economy. Ford’s recommended option is Motorcraft 5W-20, though any oil meeting Ford’s specification will suffice.
Key requirements summarized:
- Viscosity: SAE 5W-20
- Oil type: Synthetic or synthetic-blend acceptable
- Brand/spec: Oils meeting Ford WSS-M2C945-A or newer
- Capacity: About 5 quarts with filter
Conclusion: Use a 5W-20 oil that meets Ford’s specification and fill to the level shown on the dipstick after a change.
Practical maintenance notes
Oil-change intervals for the 2010 Flex typically fall in the 5,000–7,500 mile range under normal driving conditions. Severe conditions—such as frequent towing, extreme temperatures, or dusty environments—may require shorter intervals. Always consult the owner's manual for the exact schedule and verify the fill level with the dipstick after servicing.
Summary
The 2010 Ford Flex requires SAE 5W-20 motor oil, preferably synthetic, with Ford Motorcraft 5W-20 as a trusted option. Oils should meet Ford WSS-M2C945-A or newer. The approximate oil capacity is 5 quarts with an oil filter, and the proper fill level should be confirmed using the dipstick after an oil change. Adhering to these guidelines helps maintain engine performance and longevity.