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Kia Sedona 12V Automotive Battery Replacement Guide
How to change a dead 12 volt car battery in the engine bay of a 3rd generation 2015 to 2018 Kia Sedona minivan.

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2015 Sedona Engine Bay
Pry Up Center of Fastener
Remove Plastic Pop Rivet
This automotive maintenance tutorial was specifically written to assist owners of the third generation (2015, 2016, 2017, 2018 and maybe also the updated 2019 and 2020 model years) Kia Sedona minivan in changing a dead 12 volt car battery in the engine bay.

Owners of other Kia or Hyundai models such as the Grand Carnival, Sorento, Sportage, Niro, Soul, K900, Stinger, Cadenza, Optima, Rio, Forte, Genesis, Sonata, Ioniq, Santa Fe, Tucson, Elantra and Accent may also find these DIY instructions to be helpful.

The OEM battery was a "Group Size" 124R Delkor brand part number DK86571 (also known as J80 CMF80L-BCI).

Two compatible replacement 12V batteries with their part numbers are as follows: ACDelco 49AGM and EverStart MAXX-124R (Walmart).

The tools needed to complete this procedure include a small flathead screwdriver, a 10mm socket, a 1/4" drive ratchet, a 12mm socket, a 9" extension bar and a 3/8" drive ratchet.

Pry Up Center of Fastener
Lift Out Base of Fastener
Pull Off Air Intake
The first two steps are to open the hood and then move to the right (driver) side of the engine bay.

The 12 volt car battery is located in front of the engine air filter box and below the air intake assembly.

Gently pry up the center part of the two round black plastic fasteners on the front edge of the air intake with a small flathead screwdriver.

Once the center part of the pop rivet has been lifted up to unlock the fastener, you can pry out the base of the fastener.

Set the two pop rivets aside in a safe place.

Then carefully pull the air intake assembly off the radiator cover at the front of the engine bay and out of the air filter box.

Air Intake Assembly
Old Battery Exposed
Loosen Negative Terminal
Set the engine air intake assembly aside in a safe place.

Loosen the nut on the negative "-" terminal on the right side of the battery by turning it counterclockwise with a 10mm socket and a 1/4" drive ratchet.

You only need to loosen it a few turns. Do not completely remove the nut.

Pull Off Negative Terminal
Cover & Tuck Away
Push In Release Tab
Pull the negative terminal off the "-" battery post.

Cover the negative terminal with a small towel and tuck it away on the right side of the battery to help prevent accidental contact.

Then push in the black plastic release tab on the front edge of the positive "+" terminal cover.

Open "+" Terminal Cover
Loosen Positive Terminal
Pull Off "+" Terminal
Swing open the plastic cover to expose the positive terminal.

Loosen the nut on the positive terminal by turning it in the counterclockwise direction with a 10mm socket and a 1/4" drive ratchet.

Then pull the positive terminal off the "+" battery post and swing the plastic cover closed.

Move the positive terminal to the left side of the battery.

Hold Down Bar - Front
Socket & Extension Bars
Loosen Counterclockwise
The black metal hold down bar or "clamp" is held in place by a single bolt at the bottom front edge of the battery tray.

Attach a 12mm socket to a long 9" extension bar or two smaller extension bars.

Loosen the bolt on the hold down bar by turning it in the counterclockwise direction.

Pull Off Battery Clamp
Retaining Washer On Bolt
Lift Out Old Battery
The 12mm bolt is equipped with a red plastic retaining washer to help prevent the bolt from falling out and becoming lose in the engine bay.

Set the battery hold down clamp aside in a safe place.

Lift up the plastic handle on the old OEM battery.

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


Old 12V Battery Removed
Delkor Brand Battery
Gently set the old battery down on the ground.

Avoid dropping or tipping over the old battery to prevent from having acid leak out.

Be sure to bring the old battery with you to Walmart or the auto parts store to prevent from having to pay a "core", "recycling" or "disposal" fee. The retailer will also have the old battery properly recycled.

The original battery was a Delkor brand part number DK86571 or CMF80L-BCI (J80 CMF80L).

If you can wait a few days for delivery, I recommend buying the ACDelco 49AGM since it has excellent reviews on Amazon.

Clean Battery Tray
Lower In New Battery
Lower In Hold Down Bar
Clean off any debris from the black plastic battery tray so that the new battery will rest evenly on it.

Orientate the new 12 volt battery with the positive "+" post on the left (passenger) side and the negative "-" post on the right (driver) side.

Carefully lower the new battery down into the engine bay and rest it on the tray.

Lower the hold down clamp in front of the new battery.

Tighten Bolt Clockwise
Push On Positive Terminal
Tighten Terminal Nut
Line up the bolt with its corresponding hole in the battery tray.

Tighten the battery hold down bar bolt by turning it in the clockwise direction with the 12mm socket and a 3/8" drive ratchet.

Double check that the new battery is secure and can't be moved, rocked or slid around on the battery tray.

If you can move the new battery, tighten the hold down clamp bolt an extra turn or two.

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

The felt washers are a very inexpensive way to keep your terminals from being badly corroded which could eventually prevent the car from starting and require the terminals to be replaced.

Push the positive terminal over the "+" post on the left side of the battery.

Tighten the 10mm terminal nut by turning it in the clockwise direction 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.

Close Plastic Cover
Push On Negative Terminal
Tighten Nut Clockwise
Flip the plastic cover closed over the positive terminal.

Then push the negative terminal over the "-" battery post on the right (driver) side of the battery.

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

Double check that both terminals are tight before moving on to the next steps.

Re-Insert Air Intake
Re-Attach Rear Edge
Line Up Pop Rivets
Lower the air intake assembly back into place.

The front edge should be inserted into the opening below the radiator cover.

The rear edge should be re-attached to the opening on the air filter box.

Push In To Secure Fastener
Replace Second Fastener
Engine Air Intake Secured
Push the two round black plastic pop rivet fasteners back into the holes at the front edge.

Push down the center part of each fastener to lock them into place.

To test the new 12V battery, start the engine and flash the high beam headlights.

Please remember to adjust the time on the clock and program your favorite radio station presets before you start driving.

Also, be sure to record the 12V battery change in your vehicle's service records.

For more, please check out all of my Kia Sedona 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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