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Toyota Corolla 12V Automotive Battery Replacement Guide
How to change a dead 12 volt car battery in the engine bay of an 11th generation 2014 to 2018 Toyota Corolla with photos.

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2014 Corolla 12V Battery
Loosen Negative Terminal
Pull Off Negative Terminal
This automotive maintenance tutorial was specifically written to assist owners of the eleventh generation (2014, 2015, 2016, 2017 and 2018) Toyota Corolla in changing a dead 12 volt car battery in the engine bay.

Owners of other Toyota, Lexus or Scion vehicles such as the Yaris, Matrix, Prius, Camry, RAV4, Sienna, Tacoma, Tundra, FJ Cruiser, Venza, Highlander, Avalon, Sequoia, Land Cruiser, IS 250, ES 350, GS 350, tC, xB, xD, iQ and FR-S may also find these DIY instructions to be helpful.

The OEM battery in this 2014 Corolla was a "Group Size" 35 from Johnson Controls and it was part number 55D23L.

A few other compatible Group Size 35 12V batteries with their part numbers are as follows: Optima 8020-164 35 RedTop, EverStart MAXX-35N, Bosch H6-760B, AutoCraft Gold 35-2, Optima RedTop 35 and NAPA BAT 8435.

The tools needed to complete this procedure include a 10mm socket and a 1/4" drive ratchet or a 10mm wrench.

Cover & Tuck Away
Loosen 10mm Nut
"J" Hook Bar Attached
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 right behind the driver side headlight assembly and in front of the engine air filter box.

Loosen the nut on the negative "-" terminal by turning it counterclockwise with the 10mm socket and 1/4" drive ratcheting wrench.

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

Loosen the rear nut on the battery clamp or "hold down bar" by turning it counterclockwise a few turns with a 10mm socket and ratcheting wrench.

You can leave the rear nut attached to the top of the "J" hook bar.

Fortunately, Toyota designed the "J" hook bar with a plastic bracket that keeps it attached to the battery tray.

Loosen Front 10mm Bolt
10mm Bolt Removed
Pull Off Battery Clamp Bar
Then remove the 10mm bolt at the front of the battery hold down bar by turning it counterclockwise.

Set the 10mm bolt aside in a safe place.

Lift the battery clamp off the top of the battery and carefully rotate it around towards the back of the engine bay until is entirely clear of the old battery.

Rotate Battery Clamp
Pull Off Plastic Red Cover
Loosen Positive Terminal
Lift the red plastic cover off the positive battery terminal.

Loosen the 10mm terminal nut by turning it counterclockwise a few turns.


Pull Off "+" Terminal
Lift Out Old 12 V Battery
Clean Off Battery Tray
Pull the positive terminal straight off the "+" battery post.

Close the red plastic cover over the terminal and tuck it away on the left side of the battery.

Carefully lift the old battery out of the engine bay and gently set it on the ground.

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

Be sure to take the old battery with you to Walmart or the auto parts store to avoid having to pay a "core" charge. The retailer will also have the old battery properly recycled.

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

Part # 28800-0D370
Lower In New Battery
Push On "+" Terminal
Lower the new 12 volt battery down in to the engine bay with the "+" positive terminal on the left (passenger) side and the "-" negative terminal on the right (driver) side.

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

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

Tighten 10mm Clockwise
Push On Red Plastic Cover
Hold Down Bar Replaced
Tighten the 10mm positive terminal nut in the clockwise direction until it is snug.

Try to avoid over tightening the terminal nut to prevent from damaging the battery post.

Flip the red plastic cover closed over the positive terminal.

Swing the battery hold down bar over the top of the new battery.

Spin In 10mm Bolt
Tighten Clockwise
Tighten Rear 10mm Nut
Spin in the 10mm bolt at the front of the battery hold down clamp.

Tighten the front 10mm bolt in the clockwise direction.

Then tighten the 10mm nut at the top of the "J" hook bar on the rear of the hold down clamp in the clockwise direction.

Push On Negative Terminal
Tighten 10mm Terminal Nut
New 12V Battery Installed
Push the negative terminal on to the "-" battery post.

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

Test the new 12 volt car battery by starting the engine and turning on the headlights.

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

For more, check out my other 2014-2018 Toyota Corolla 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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