Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2018 Ford FlexTransmission Fluid Type & Capacity
OEM transmission fluid spec from the factory service manual for the 2015-2019 (2015-2019).
Quick Answer
Transmission Fluid
10.90 QTS. (10.31 L) — MOTORCRAFT Automatic Transmission Fluid MERCON LV Note: Approximate dry fill capacity. Actual amount may vary during fluid changes. Automatic Transmission that require MERCON LV should only use MERCON LV ATF.
11.60 QTS. (10.97 L) — MOTORCRAFT Automatic Transmission Fluid MERCON LV Note: Approximate dry fill capacity. Actual amount may vary during fluid changes. Automatic Transmission that require MERCON LV should only use MERCON LV ATF.
Notes
- →Approximate dry fill capacity. Actual amount may vary during fluid changes. Automatic Transmission that require MERCON LV should only use MERCON LV ATF.
This vehicle's factory manual
2018 Ford Flex: confirm the engine, trim, or drivetrain to open the available repair and diagnosis sections.
What You'll Need
Related for Your 2018 Ford Flex
Frequently Asked Questions
- What transmission fluid does a 2018 Ford Flex use?
- The 2018 Ford Flex uses 10.90 QTS. (10.31 L) — MOTORCRAFT Automatic Transmission Fluid MERCON LV Note: Approximate dry fill capacity. Actual amount may vary during fluid changes. Automatic Transmission that require MERCON LV should only use MERCON LV ATF., 11.60 QTS. (10.97 L) — MOTORCRAFT Automatic Transmission Fluid MERCON LV Note: Approximate dry fill capacity. Actual amount may vary during fluid changes. Automatic Transmission that require MERCON LV should only use MERCON LV ATF..
- How much transmission fluid does a 2018 Ford Flex take?
- Refer to the factory service manual for the exact transmission fluid capacity.
- When should I change the transmission fluid in my 2018 Ford Flex?
- Most manufacturers recommend transmission fluid changes every 30,000–60,000 miles for automatics. Check your factory service manual for the exact interval.