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Hyundai Tucson 12V Automotive Battery Replacement Guide
How to change a dead 12 volt car battery in the engine bay of a 2nd generation 2010-2015 Hyundai Tucson SUV.

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2014 Tucson 12V Battery
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Loosen 10mm Terminal Nut
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Pull Off Negative Terminal

This automotive maintenance tutorial was specifically written to assist owners of the 2nd generation (2010, 2011, 2012, 2013, 2014 & 2015) Hyundai Tucson SUV in changing a dead 12 volt car battery in the engine bay.

Owners of other Hyundai and Kia vehicles such as the Accent, Elantra, Sonata, Azera, Veloster, Tiburon, Genesis, Lavita, Veracruz, Santa Fe, ix35, Equus, Cadenza, Forte, Optima, Rio, Soul, Sedona, Sorento, Spectra and Sportage may also find these DIY instructions to be helpful.

The OEM (original equipment manufacturer) 12V battery in this 2014 Tucson is Rocket part number CMF68L-BCI.

Other compatible Group Size 124R batteries with their part numbers include the following: EverStart (Walmart) MAXX-124R and ProStart # 24FH700PS.

The tools needed to change the battery include a 10mm socket, a 12mm socket, an extension bar and a ratcheting wrench.

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Wrap Terminal In Rag
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Battery Clamp - Front Edge
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12mm Socket & Extension Bars
The 12V battery is located on the right rear area of the engine bay behind the air box and next to the fuse block.

I'd recommend wearing Mechanix gloves and safety glasses for this procedure.

Loosen the nut on the "-" negative terminal by turning it counterclockwise with a 10mm socket and a ratcheting wrench.

Pull the negative terminal straight off the "-" battery post, wrap it with a small towel or rag and tuck it on the side of the battery to prevent accidental contact.

Before you remove the plastic cover on the "+" positive battery terminal, it would be a good idea to first loosen the battery clamp located at the front edge of the battery tray.

Attach a 9" extension bar (or use both a 6" and 3" extension bar) to a 12mm socket and a 3/8" drive ratcheting wrench.

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Loosen Battery Clamp
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Open "+" Terminal Cover
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Loosen 10mm Terminal Nut
Loosen the 12mm bolt on the battery clamp by turning it counterclockwise.

It is not necessary to remove the battery clamp in order to replace the battery.

I loosened the battery clamp until the bolt was only held in by a few threads.

Open the plastic cover on the "+" positive battery terminal.

Loosen the 10mm nut on the positive battery terminal by turning it counterclockwise.

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Pull Off Positive Terminal
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Place Terminal On Side
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Pull Off Battery Cover
Pull the positive terminal straight off the battery post, close the plastic cover and tuck it away on the left side of the battery to help prevent accidental contact.

Lift the battery box off the old battery and set it aside in a safe place.



 

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Lift Out Old Battery
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Rocket # CMF68L-BCI
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Clean Off Battery Tray
Raise the handle on the old battery and carefully lift it out of the engine bay.

The OEM battery in this 2014 Hyundai Tucson was a Global Power Source "Rocket" brand part # CMF68L-BCI.

If there is any debris on the battery tray, clean it off so that the new battery will sit evenly in the engine bay.

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Lower In New Battery
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Tighten 12mm Battery Clamp
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Replace Battery Shield
Carefully lower the new battery down in to the engine bay and rest it on the plastic tray.

Tighten the 12mm bolt on the battery hold down clamp by turning it clockwise.

Lower the protective heat shield over the new battery.

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Push On "+" Terminal
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Tighten 10mm Nut
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Close Positive Terminal Cover
First replace the "+" terminal by pushing it straight on to the positive battery post, which should be on the left side of the new battery.

Tighten the positive terminal nut by turning it clockwise with the 10mm socket and ratcheting wrench until it is snug.

Avoid over tightening the battery terminal to prevent from damaging the battery post.

Close the plastic cover over the positive terminal.

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Push On "-" Terminal
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Tighten Negative Terminal Nut
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12 Volt Battery Replaced
Push the "-" negative battery terminal back on to the negative battery post.

Tighten the 10mm nut on the negative battery terminal by turning it clockwise until it is snug.

Check that the new 12V battery works properly by starting the engine.

Be sure to adjust the time on the clock and set your favorite radio station presets before driving the vehicle.

For more, check out my other Hyundai Tucson DIY Repair & Maintenance Guides.
 

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