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Kia Sorento 12V Automotive Battery Replacement Guide
How to change a weak or dead 12 volt car battery in a 3rd generation 2016, 2017, 2018, 2019 and 2020 Kia Sorento.

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2019 Sorento 3.3L V6
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Right - Driver Side
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Air Intake Assembly

This automotive maintenance tutorial was specifically written to assist owners of the third generation (2016, 2017, 2018, 2019 and 2020) Kia Sorento SUV with the Lambda II GDI 3.3L V6 engine in changing a weak or dead 12 volt car battery. (The procedure should be the same or very similar for the Theta II GDI 2.4L I4 engine and the Theta II GDI 2.0L Turbocharged I4 engine.)

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

The OEM (original equipment manufacturer) 12V battery "Group Size" was an "H7" (also known as 94R) and the Kia / Hyundai part number is Solite AGM80L-DIN.

A few other AGM (absorbed glass mat) group size H7 / 94R 12V batteries with their part numbers include the following: ACDelco 94RAGM, Delphi BU9094R and Exide Edge FP-AGML4/94R.

The tools needed to complete this procedure include a small flat head screwdriver or a plastic pry bar tool, a 10mm socket with a 1/4" drive ratchet, a 12mm socket, 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 black plastic air intake assembly that is connected to the radiator cover and the engine air filter box must be removed before you can access the old 12V battery.



 

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Pop In Button - Center
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Release 2nd Fastener
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Pry Out Base of Fastener
Locate the two round black plastic fasteners near the front edge of the air intake assembly.

Use a small flat head screwdriver or a small plastic pry bar tool to gently pop in the two round buttons in the center of the two fasteners to release them.

Then carefully pry out the base of the fasteners to remove them.

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Remove Plastic Fastener
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Two Pop Rivets Removed
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Lift Up Air Intake
Set the two plastic fasteners aside in a safe place.

Carefully pull up the front edge of the air intake assembly and then remove the rear edge from the air filter box.

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Pull Out of Air Filter Box
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Old 12V Battery Exposed
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Loosen Negative Terminal
Set the air intake assembly aside in a safe place.

Avoid touching both the terminals or battery posts at the same time so that you don't electrocute yourself!

I would also recommend wearing some gloves.

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

You don't need to remove the terminal nut. Just loosen it a few turns.

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Pull Off Negative Terminal
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Wrap & Tuck Away
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Open Plastic Cover
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 behind the driver side headlight housing to help prevent accidental electrical contact.

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Positive Terminal Exposed
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Loosen Positive Terminal
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Pull Off "+" Terminal
Flip open the plastic cover on the "+" positive terminal.

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

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

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Cover & Tuck Away
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Remove Heat Shield
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Hold Down Clamp - Front
Close the plastic cover and tuck the positive terminal away on the left side of the battery to help prevent accidental electrical contact.

Pull the heat shield off the old battery and set it aside for re-installation later on.

Look down at the front edge of the battery tray and locate the black metal hold down clamp.

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Long Extension Bar
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Loosen Counterclockwise
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Remove Hold Down Bar
Attach the 12mm socket to a long extension bar and a 3/8" drive ratchet.

Loosen the single bolt on the battery hold down clamp by rotating it in the counterclockwise direction.

Remove the hold down bar and the bolt.

The bolt should remain attached to the hold down clamp due to an orange / red plastic retaining ring.

Set the hold down clamp aside in a safe place.

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Raise Plastic Handles
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Lift Out Old 12V Battery
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Part # AGM80L-DIN
Raise the two plastic handles and carefully lift the old battery out of the engine bay.

Gently set the old battery down on the ground. Avoid dropping or tipping over the old battery to prevent from having acid leak out.

Please be sure to bring the old battery with you to the auto parts store to prevent from having to pay a "core" charge. The auto parts retailer will have the old battery properly recycled.

If you can wait a few days for delivery, I highly recommend the ACDelco 94RAGM battery since it has excellent reviews on Amazon.

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Clean Off Battery Tray
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Slide Under Bracket
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Lower In New Battery
Clean off any debris on the plastic battery tray so that the new battery will rest evenly on it.

There is a "ridge" or "slot" on the rear edge of the battery tray.

Gently lower the new battery down into the engine bay with the "-" negative post on the right (driver) side and the "+" positive post on the left (passenger) side.

Avoid touching both the "+" positive and "-" negative battery posts or terminals at the same time!

Carefully slide the new battery back on the battery tray until the lip on the bottom rear edge of the battery slides under the plastic ridge or bracket on the tray.

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Replace Heat Shield
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Hold Down Bar & Bolt
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Tighten Clockwise
Lower the heat shield cover down over the new battery.

Lower the hold down clamp on to the front edge of the battery tray.

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

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

Try to move the new battery.

If the new battery can be moved, rocked or slid on the tray, tighten the bolt on the hold down clamp an extra turn or two.

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

You could also spray the terminals and battery posts with some CRC Battery Terminal Protector spray to help prevent corrosion.

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Push On Positive Terminal
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Tighten Nut Clockwise
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Positive Terminal Secured
Push the positive terminal over the "+" battery post on the left (passenger) side.

Tighten the terminal nut 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 and premature battery failure.

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

Push the negative terminal over the "-" battery post on the right (driver) side.

Tighten the negative terminal nut in the clockwise direction until it is snug.

Avoid over tightening the terminal nut to prevent from breaking the battery post which could lead to an acid leak.

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Lower In Air Intake
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Air Intake Re-Installed
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Two Plastic Fasteners
Double check that the hold down clamp bolt is tight and both terminals are securely attached before moving on to the next steps.

Lower the rear of the air intake assembly into the opening in the engine air filter housing.

Lower the front edge of the air intake down towards the radiator cover.

Make sure the small round "buttons" in the center of the two plastic fasteners are in the up and "released" position.

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Replace Fasteners
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Pop In Buttons - Secured
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12V Battery Replaced
Re-insert the two fasteners into the front edge of the air intake assembly.

Gently snap in the buttons to secure the two fasteners.

Double check that the air intake assembly is securely in place.

To test the new battery, start the engine.

If you often travel and don't drive your SUV for two weeks or longer, I highly recommend keeping the battery attached to a trickle charger such as the Battery Tender Junior.

Lead acid batteries should be kept fully charged for the best longevity.

If you would like to test your 12V battery or see if the alternator is working properly, use a digital multimeter tool. The voltage of the new battery should be about 12.6 volts when fully charged with the engine off. To test the alternator, start the engine and carefully test the voltage again. The alternator should be charging the battery at a voltage range of 13 volts to just over 14 volts.

Be sure to write down the battery change in your vehicle's service records and keep any warranty information and the receipt in the glove box.

Please take a look at all of my 2016-2020 Kia Sorento DIY Repair & Maintenance Guides.
 

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