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Ford Fusion Duratec 25 I4 Engine Oil Change Guide
How to replace the motor oil & filter in a 2010-2012 Ford Fusion with the Duratec 2.5L inline four cylinder engine.

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Ford Fusion 2.5L I4 Engine
Oil Filler - SAE 5W-20
Remove Oil Filler Cap
This automotive "how-to" guide was specifically written to assist owners of the 2010, 2011 and 2012 Ford Fusion with the Duratec 25 I4 engine in changing the motor oil and oil filter.

Owners of previous generation 2006, 2007, 2008 and 2009 Ford Fusion sedans with the 2.3L Duratec 23 I4 or the 3.0L Duratec 30 V6 engines may also find this guide to be helpful. The oil change procedure should be similar for other vehicles with the Duratec 25 I4 engine such as the Ford Escape and Mercury Milan.

To complete this oil change, the following items are needed: a floor jack, jack stands, a 7mm socket, a 13mm socket, a ratcheting wrench, a used oil catch container, an automotive funnel, 5 quarts of new SAE 5W-20 oil, and a new oil filter.

The first step is to warm up the engine for a few minutes to help suspend any contaminants within the old oil. This also allows the old oil to drain out more quickly.


Some new aftermarket oil filters compatible with the '10-'12 Ford Fusion include the following with their respective part numbers: Mobil1 M1-102, Royal Purple 10-2835, Wix 51348, Purolator PL10241 or L10241, Fram PH3614, K&N HP-1002, Bosch D3330, Motorcraft FL910S, ACDelco PF53, Bosch 72161, and Driveworks DW-241.
Raise Vehicle
Engine Underside Cover
Oil Filter Access Panel
The next few steps are to remove the oil filler cap, engage the parking brake or chock the rear wheels, raise the passenger side of the vehicle with a floor jack and then securely support it with at least two jack stands.

Gather up a used oil catch container, a 7mm socket, a 13mm socket and a ratcheting wrench before sliding underneath the passenger side of the engine.

Oil Drain Bolt Plastic Cover
Remove 3 7mm Screws
7mm Screws Removed
The oil drain bolt is covered by a round black plastic access door on the engine underside cover.

It is located near the rear of the engine and is marked by the words "OIL DRAIN".

Remove the three screws with a 7mm socket and ratcheting wrench.

Oil Drain Bolt Door Open
13mm Oil Drain Bolt
Loosen 13mm Drain Bolt
Open the oil drain door and locate the dark grey oil drain bolt on the back side of the silver oil pan.

The horizontal oil drain bolt faces towards the rear of the vehicle.

Be careful when removing the drain bolt as the old oil may be hot enough to cause burns depending on how long you allowed the engine to warm up.

Loosen the oil drain bolt with a 13mm socket and ratcheting wrench. Move the used oil catch container below the oil drain bolt before spinning out the bolt by hand.

Allow the old oil to drain out for at least a few minutes.

Then re-insert the oil drain bolt and tighten it to about 20-25 ft lbs of torque (or just past hand tight).

Do not over tighten the oil drain bolt which may cause damage to the oil pan or the drain bolt's threads.

Used Oil Catch Container
Remove 4 7mm Screws
Oil Filter Access Panel
Move forward to the square black plastic access door marked "OIL FILTER" and remove the four 7mm screws.


Four 7mm Screws Removed
Old Motor Oil Filter
Twist Off Counter Clockwise
Open the access panel to reveal the old oil filter. Move the used oil catch container forward to below the old oil filter before spinning it off counter-clockwise.

You may able to remove the old oil filter by hand or you might need an oil filter wrench such as the Lisle 63600.

Allow the old oil to drain out from the oil filter receptacle and threads for at least a few minutes.

Double check that the old oil filter's rubber o-ring gasket came off with the filter and did not stay attached to the engine.

Draining Old Oil Out
Dip Finger In New Oil
Lubricate Oil Filter O-Ring
I always buy the Mobil1 M1-102 oil filter since it has excellent reviews on Amazon.

The rubber o-ring on the new oil filter needs to be lubricated in order to help it form a better seal, prevent leaks and make it easier to remove during the next oil change.

Dip your pinky finger into some new 5W-20 motor oil and run it around the rubber o-ring on the new oil filter.

Re-Install Oil Drain Bolt
Twist On New Oil Filter
Insert 7mm Screws
Twist on the new oil filter by hand in the clockwise direction to about 1/2 to 3/4 turn past hand tight.

Do not use the oil filter wrench to tighten the new oil filter. Over tightening the oil filter may damage it and cause leaks.

Tighten 7mm Screws
Replace Oil Drain Panel
Lower Vehicle
Double check that the 13mm oil drain bolt and the new oil filter are on securely before replacing the access panels.

Tighten the three 7mm screws on the oil drain door and the four 7mm screws on the oil filter door to just past hand tight.

Insert Automotive Funnel
Funnel In Duratec 25 I4
Pour In New SAE 5W-20
Next lower the vehicle from the jack stands and insert an automotive funnel into the oil filler hole.

The Duratec 25 2.5L I4 engine requires 5 quarts (4.7L) of new SAE 5W-20 motor oil. Pour in about 4 and 1/2 quarts of new oil into the engine.

Then run the engine for a few minutes, shut it off, and let it sit for a few minutes.

Pull out the yellow handled engine oil level dipstick and check the level. It's far better to have slightly less oil in the engine than to have too much.

You may not need to pour in the full 5 quarts depending on how long you allowed the old oil to drain out.

If the oil level on the dipstick is below the upper end of the hash marks, add a little more oil to the engine.

Check the dipstick repeatedly and add a little more oil until the level just barely reaches the top hole which is the "Full" mark.

Oil Level Dipstick
Check Oil Level
Replace Oil Filler Cap
Be sure to check the oil level on the dipstick at least a few times over the next week and watch your driveway for oil spots that may indicate a leak from the oil drain bolt or oil filter housing.

Don't forget to record the mileage and oil change details in your car's service record book.

To reset the oil life monitor, press and release the "Setup" button until the "Oil Life %" is displayed. Press and hold the "Reset" button for two seconds and then release it. The display will then read "Oil Life Reset To 100%".

For more, please check out my Ford Fusion Repair & Maintenance Guides page.

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