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Kia Soul 12V Automotive Battery Replacement Guide
How to change a weak or dead 12 volt car battery in a 2nd generation 2014 to 2019 Kia Soul with the part numbers.

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2019 Kia Soul Nu 2.0L I4
OEM 12V Car Battery
Loosen Counterclockwise
This automotive maintenance tutorial was specifically written to assist owners of the 2nd generation (2014, 2015, 2016, 2017, 2018 & 2019 model years) Kia Soul in changing a weak or dead 12V automotive battery for the Nu 2.0L GDI I4 engine. The procedure should be the same or very similar for models with the Gamma 1.6L GDI I4 engine or the Gamma 1.6L T-GDI turbocharged inline four cylinder engine.

Owners of other Kia, Hyundai or Genesis vehicles such as the Niro, Sportage, Sedona, Telluride, Sorento, Rio, Forte, Optima, K900, Cadenza, Stinger, Tucson, Santa Fe, Kona, Palisade, Elantra, Sonata, Accent, Veloster, Ioniq, Nexo, Venue, G70, G80 and G90 may also find these DIY instructions to be helpful.

The OEM battery's "Group Size" is 48 (also known as "H6").

A few compatible replacement aftermarket 12 volt car batteries with their part numbers include the following: DieHard 50748, ACDelco 48AGM, Delphi BU9048 and EverStart AGM H6 (at Walmart).

The tools needed to complete this procedure include a 10mm socket with a 1/4" drive ratchet, a 12mm socket with a long extension bar and a 3/8" drive ratchet.

The first two steps are to open the hood and then move to the right (driver) side of the engine bay.

The rectangular shaped black plastic 12 volt car battery is situated to the left of the fuse box and behind the engine air filter housing.

Loosen the nut on the "-" negative terminal a few turns in the counterclockwise direction with the 10mm socket and a 1/4" drive ratchet.


Pull Off Negative Terminal
Cover & Tuck Away
Open "+" Plastic Cover
Carefully pull the negative terminal off the "-" battery post.

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

Push in the release tab on the front edge of the plastic cover on the "+" positive terminal.

Swing open the cover to reveal the positive terminal.

Loosen Counterclockwise
Pull Off Positive Terminal
Both Terminals Removed
Loosen the nut on the positive terminal a few turns in the counterclockwise direction.

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

Avoid touching the battery posts to prevent from being electrocuted!

Lift Out Heat Shield
Hold Down Clamp - Front
Socket & Extension Bar
Pull the heat shield cover off the old battery.

Set the heat shield aside in a safe place for re-installation later on.

There is a metal battery hold down bar situated at the bottom front edge of the battery tray.

Attach the 12mm socket to a long extension bar (or two extension bars) and a 3/8" drive ratchet.

Loosen Counterclockwise
Old Battery Removed
Clean Off Battery Tray
Loosen the single bolt that secures the hold down clamp to the battery tray by turning it a few turns in the counterclockwise direction.

You do not need to completely remove the hold down clamp's bolt. I recommend leaving the bolt attached for easier installation of the new battery.

Raise the two plastic handles on the top of the old battery.

Carefully slide the old battery towards the rear of the car and then lift it straight out of the engine bay.

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


Hold Down Clamp & Bolt
Rocket AGM70L-DIN
OEM Kia / Hyundai Part
The OEM Hyundai / Kia battery was part number Rocket AGM70L-DIN (12V 70Ah 20HR RC 120min CCA 760A SAE/EN).

If you can wait a few days for delivery, I recommend buying the DieHard 50748 12V battery since it has excellent reviews on Amazon.

The AGM (absorbed glass mat) batteries tend to last a lot longer, can be deep cycled, they are lighter, are more reliable, have a lower self discharge rate, can be charged much faster and perform better in cold temperatures.

Lower In New Battery
Tighten Hold Down Clamp
Replace Heat Shield
Carefully lower the new battery into the engine bay with the "+" positive post situated on the left (passenger) side and the "-" negative post located on the right (driver) side of the vehicle.

Slide the battery forward to move the lower front lip into the hold down clamp.

Tighten the single bolt on the hold down bar by tightening it in the clockwise direction with the 12mm socket, a long extension bar and the 3/8" drive ratchet until it is snug.

Check to see if the new battery can be slid, rocked or moved in any way.

If you can move the new battery, make sure that the front bottom plastic lip on the battery is securely in the hold down clamp and tighten the bolt an extra turn or two in the clockwise direction.

Lower the heat shield box over the new battery.

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

They are cheap insurance against having to replace the battery terminals and the battery cables.

Push On Positive Terminal
Tighten "+" Clockwise
Push On Negative Terminal
Next, push the positive terminal on to the "+" battery post.

Tighten the terminal nut by turning it in the clockwise direction with the 10mm socket and a 1/4" drive ratchet until it is snug.

Try to avoid over tightening the terminal nut to prevent from cracking the battery post which could lead to an acid leak.

Tighten Terminal Nut
Close Plastic Cover
New Battery Installed
Then push the negative terminal over the "-" battery post.

Tighten the terminal nut in the clockwise direction with the 10mm socket and a 1/4" drive ratchet until it is snug.

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

If you regularly leave your car parked and unused for several weeks at a time, I recommend using a Battery Tender Junior intelligent trickle charger. Lead-acid batteries have the longest lifespan when they are kept fully charged.

Be sure to write down the battery change in your vehicle's service records.

For more, please check out all of my 2014-2019 Kia Soul 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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