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Ford Fiesta 12V Automotive Battery Replacement Guide
How to change a dead 12 volt car battery in the engine bay of a 6th generation 2009 to 2015 Ford Fiesta with photos.

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2013 Fiesta 12V Battery
Loosen 10mm Nut
Remove 2nd 10mm Nut
This automotive maintenance tutorial was specifically written to assist owners of the sixth generation (2009, 2010, 2011, 2012, 2013, 2014, 2015 and possibly also the 2016 model year) Ford Fiesta sedan or hatchback in changing a dead 12 volt car battery in the engine bay.

Owners of other Ford or Lincoln vehicles such as the Focus, Fusion, 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.

The OEM battery is Motorcraft part number YD BXT-96R.

A few other compatible "Group Size" 96R batteries with their part numbers are as follows: NAPA BAT 8496R, AutoCraft Gold 96R-3, Bosch Premium 96R590B and EverStart Plus 96R (Walmart).

The tools needed to complete this procedure include include a deep well 10mm socket with a 1/4" drive ratcheting wrench or a standard 10mm hand wrench.

Battery Clamp Nuts Removed
Pull Off Battery Hold Down Bar
Loosen "-" 10mm Nut
The 12 volt car battery is located at the right side of the engine bay behind the engine air box and next to the fuse box.

Loosen the two nuts that hold the black metal battery hold down bar or "clamp" in place by turning them counterclockwise with the deep well 10mm socket and a 1/4" drive ratcheting wrench.

Set the two nuts aside in a safe place.

Lift the metal hold down bar straight off the top of the battery while avoiding contact with the electrical terminals.

Set the bar aside in a safe place.

Next, loosen the 10mm nut on the "-" negative battery terminal by turning it counterclockwise a few turns.

Pull Off Negative Terminal
Cover & Tuck Away
Flip Open Plastic Cover
Pull the negative terminal straight off the "-" battery post.

Wrap the terminal in a small towel and tuck it away on the side of the battery to help prevent accidental contact.

Flip open the red plastic cover on the positive "+" terminal.

Loosen Positive 10mm Nut
Pull Off Positive Terminal
Close Cover - Tuck Away
Loosen the 10mm nut on the positive terminal by rotating it in the counterclockwise direction a few turns.

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

Close the plastic cover over the positive terminal and tuck it away on the side of the battery to help prevent accidental contact.

Lift Out Old Battery
Old Motorcraft YD BXT-96R
Clean Off Battery Tray
Carefully lift the old battery straight out of the engine bay.

Try to avoid tipping or dropping the old battery on the ground to prevent from having battery acid leak out.

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


Lower In New 12V Battery
Push On Positive Terminal
Tighten 10mm Clockwise
Gently lower the new 12 volt battery on to the tray with the positive "+" post closest to the front of the vehicle and the negative "-" post at the rear near the windshield.

Push the positive terminal down on to the "+" battery post.

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

Try to avoid over tightening the terminal nut to prevent from damaging the battery terminal which may cause an acid leak.

Close Red Plastic Cover
Push On Negative Terminal
Tighten 10mm "-" Nut
Flip the red plastic cover closed over the positive terminal.

Push the negative terminal in to place over the "-" battery post.

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

Lower Down Clamp Bar
Battery Hold Down Bar
Spin On Two 10mm Nuts
Lower the battery hold down bar in to place over the two bolt ends on either side of the new battery.

Spin on the two 10mm nuts a few turns in the clockwise direction by hand to prevent them from becoming cross threaded.

Tighten 10mm Nuts
Tighten Clockwise
New Battery Installed
Continue tightening the 10mm nuts in the clockwise direction with the ratcheting wrench until they are snug.

Check that the battery can not be rocked, moved or wiggled on the battery tray.

If the new battery can be moved, tighten the two 10mm clamp nuts another turn or two each.

To test the new 12V battery, start the engine and turn on the headlights.

Make sure you set your favorite radio station presets and adjust the time on the clock before you start driving.

For more, check out my other 2009-2015 Ford Fiesta 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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