2011 Ford Flex

Maintenance & specsVERIFIED Oct 12, 2026
Engine Oil
5W-20
Full Synthetic
OEM spec · WSS-M2C962-A1Buy oil
Oil Filter
FL-500S
Motorcraft (OEM)
OEM spec: WSS-M2C962-A1

The 2011 Ford Flex uses 5W-20 Full Synthetic. The OEM oil filter is the Motorcraft FL-500S. Below you’ll find complete maintenance specs, fluid capacities, parts, and links to buy what you need.

⚑ QUICK DIY TIPS FOR THE 2011 FORD FLEX
  • Using the OEM filter (Motorcraft FL-500S) is recommended for warranty compliance.
  • Always use 5W-20 Full Synthetic as specified by Ford — using the wrong viscosity can void your powertrain warranty.
  • Check the maintenance schedule below for your next service interval.
01

Oil & Filter

OilBuy
Viscosity5W-20
Oil typeFull Synthetic
OEM specWSS-M2C962-A1
Filter Options
MotorcraftFL-500SOEM
Buy
OEM spin-on filter
Drain Bolt & Hardware

Drain bolt specs not yet added.

04

Maintenance Schedule

≈ every 6 months
  • ▸Change Engine Oil & Filter
05

Torque Specifications

lug nut
100ft-lb·135.6Nm
spark plug
14mm thread, aluminum head
18ft-lb·24.4Nm
07

Technical Service Bulletins

42

Estimated Current Value

Original MSRP
$30,000
Private Party
$4,845–$5,355
Dealer Retail
$5,610–$6,375
Trade-In
$4,335–$4,845
Depreciation
83%

Estimated values assume average condition and mileage for vehicle age.

Source: estimated

Save by doing it yourself
A shop typically charges $70–$140 for this service. Buy the parts and save.
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08

Tools & Supplies

Oil Drain Pan
Catch the old oil cleanly
Shop on Amazon
Funnel
Spill-free refill
Shop on Amazon
Socket Wrench
For the drain plug
Shop on Amazon
5W-20 Oil
5+ quarts
Shop on Amazon
Shop parts for the Ford Flex
Find oil, filters, and maintenance parts for the 2011 Ford Flex on Amazon.
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Step-by-step guide
Detailed walkthrough with tips for first-timers.
Read guide
How often to change oil
Intervals, severe service, and what your car needs.
Read guide
Synthetic vs. conventional
Which oil type is right for your engine and budget.
Read guide
Other 2011 Ford models
Other Ford Flex years
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