Ford Flex
Maintenance specs for 2 variants of the Ford Flex — from 2009 to 2019.
2009–2012 Ford Flex
3.5L V6 Duratec (Duratec 35) · FWD
262 hp / 248 lb-ft
Transmission
Type6-Speed Automatic (6F50)
FluidMercon LV
Drain & fill5.5 qt
Full capacity10.5 qt
Power Steering
TypeHydraulic
FluidMercon LV
Capacity18 oz
Fuel
Tank19 gal
TypeRegular 87
Service Intervals
Oil change7,500 mi
Trans service60,000 mi
Coolant flush100,000 mi
Brake fluid45,000 mi
Spark plugs100,000 mi
Timingchain (no scheduled replacement)
Air filter30,000 mi
Cabin filter20,000 mi
Drive belt100,000 mi
2010–2019 Ford Flex
3.5L V6 EcoBoost Twin-Turbo (3.5L EcoBoost) · AWD
365 hp / 350 lb-ft
Transmission
Type6-Speed Automatic (6F55)
FluidMercon LV
Drain & fill5.5 qt
Full capacity10.5 qt
Power Steering
TypeElectric (EPAS)
Differentials
Rear fluid75W-140 Synthetic
Rear capacity1.18 qt
Transfer Case
FluidMercon LV
Capacity1 qt
Fuel
Tank19 gal
TypeRegular 87
Service Intervals
Oil change7,500 mi
Trans service60,000 mi
Coolant flush100,000 mi
Brake fluid45,000 mi
Spark plugs60,000 mi
Timingchain (no scheduled replacement)
Air filter30,000 mi
Cabin filter20,000 mi
Drive belt100,000 mi