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Ford Fusion 12V Automotive Battery Replacement Guide
How to change a dead 12 volt car battery in the engine bay of a 2nd generation 2013-2016 Ford Fusion with photos.

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2014 Fusion 12V Battery
Hold Down Bar - Front Edge
Loosen Counterclockwise
This automotive maintenance tutorial was specifically written to assist owners of the second generation (2013, 2014, 2015, 2016 and probably also the revised 2017) Ford Fusion sedan in changing a dead 12 volt car battery in the engine bay.

Owners of other Ford or Lincoln vehicles such as the Focus, Fiesta, C-Max, Mustang, Escape, Transit Connect, Edge, Flex, Explorer, Expedition, Taurus, F-150, EcoSport, MKC, MKZ, MKS, MKX, MKT and the Navigator may also find these DIY instructions to be helpful.

A few compatible replacement "Group Size" T5 or 90 batteries with their part numbers are as follows: Bosch S4568B,  Duralast T5-DLG, Duralast 47-90-DL, NAPA Legend BAT 8490, AutoCraft Gold 90/T5, AutoCraft Silver 90/T5-1, ProStart T5-650PS and EverStart MAXX-T5.

The tools needed to complete this procedure include a 10mm socket, an 8mm socket, an extension bar and a 1/4" drive ratcheting wrench.

8mm Bolt Removed
Battery Hold Down Clamp
Loosen "-" Terminal
The 12 volt automotive battery is located at the right rear corner of the engine bay right behind the engine air filter box.

Locate the battery hold down bar or "clamp" at the bottom front edge of the OEM battery.

Loosen the bolt in the middle of the hold down bar by turning it counterclockwise with an 8mm socket attached to an extension bar and a 1/4" drive ratcheting wrench.

Remove the bolt and hold down bar. Set them aside in a safe place.

Loosen the 10mm nut on the negative terminal first by turning it counterclockwise a few turns.

Slide Old Battery Forward
Pull Off Negative Terminal
Lift Off Red Rubber Cover
Carefully slide the old battery forward so that the negative terminal is clear of the cowl.

Pull the negative terminal off the "-" battery post, wrap it in a small towel and tuck it away on the side of the battery to help prevent accidental electrical contact.

Lift open the red rubber cover on the positive terminal.

Loosen Counterclockwise
Pull Off Positive Terminal
Lift Out Old 12V Battery
Loosen the 10mm nut on the positive terminal counterclockwise a few turns.

Pull the positive terminal straight off the "+" battery post.

Carefully lift the old 12V battery out of the engine bay.

Try to avoid tipping over or dropping the old battery which may cause acid to leak out.

Clean off any debris from the plastic battery tray so that the new battery will rest evenly on it.


Old Battery Removed
Motorcraft BXT 90 590
Lower In New Battery
The OEM 12 volt battery is Motorcraft part number BXT 90 590.

Lower a new "Group Size" T5 or 90 12V battery in to the engine bay with the negative terminal closer to the windshield and the positive terminal closer to the front of the vehicle.

Push On Negative Terminal
Tighten 10mm Clockwise
Slide New Battery Back
Push the negative terminal on to the "-" battery post.

Tighten the 10mm nut a few turns in the clockwise direction until it is snug.

Try to avoid over tightening the 10mm nut to prevent from damaging the battery post which may lead to an acid leak.

Gently slide the new battery back in the engine bay until the negative terminal is underneath the cowl.

If you've had a problem with corrosion (white or blue powder) building up on the terminals or battery posts, consider installing some felt anti-corrosion washers over the battery posts.

Push On Positive Terminal
Tighten 10mm Clockwise
Close Red Rubber Cover
Push the positive terminal on to the "+" battery post.

Tighten the 10mm nut on the positive terminal in the clockwise direction until it is snug.

Close the red rubber cover over the positive battery terminal.

Re-Insert 8mm Bolt
Tighten Clockwise
New 12V Battery Installed
Replace the battery hold down bar or "clamp" at the bottom front edge of the new battery.

Spin in the 8mm bolt a few turns by hand to prevent it from becoming cross threaded.

Tighten the 8mm bolt with the ratcheting wrench in the clockwise direction until it is snug.

Double check that the new battery can not be moved or wiggled on the tray.

If it can be moved, tighten the hold down bar bolt a bit more.

Test the new 12V battery by starting the engine and turning on the headlights.

Be sure to adjust the time on the clock and program your radio station presets before you start driving.

For more, check out my other 2013-2016 Ford Fusion DIY Repair & Maintenance Guides.

If you found this guide to be helpful, please consider making a small donation by clicking on the "Donate" button located to the right of this paragraph. Thank you!
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