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Nissan Altima 12V Automotive Battery Replacement Guide
How to change a dead 12 volt car battery in the engine bay of a 5th generation 2013, 2014 & 2015 Nissan Altima sedan.

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2014 Altima 12V Battery
Loosen 10mm Nut
2nd Nut - Battery Clamp
This automotive maintenance tutorial was specifically written to assist owners of the fifth generation (2013, 2014, 2015 and possibly also the refreshed 2016 model year) Nissan Altima sedan in changing a dead 12 volt automotive battery in the engine bay of the QR25DE 2.5L I4 or the VQ35DE 3.5L V6 motors.

Owners of other Nissan or Infiniti vehicles such as the Versa, Maxima, Juke, Rogue, Murano, Xterra, Pathfinder, Sentra, Cube, Armada, Leaf, Quest, Frontier, 370Z, GT-R, Titan, G25, G37, M35 and M37 may also find these DIY instructions to be helpful.

A few compatible replacement "Group Size 35" batteries with their part numbers are as follows: EverStart MAXX-35N (Walmart), AutoCraft 35-2, Optima RedTop 8020-164 35, Optima 8040-218 D35, NAPA BAT 8435, Optima BAT N9935RED, Bosch 35-640B and Bosch S6523B S6.

The tools needed to complete this procedure include a deep well 10mm socket with a 1/4" drive ratcheting wrench or a standard 10mm hand wrench.

Loosen ECU 10mm Nut
10mm Nut Removed
Battery Hold Down Bar Nuts
The first two steps are to open the hood and then move to the right front area of the engine bay just behind the driver side headlight.

Loosen the two nuts on the battery clamp or "hold down bar" by turning them counterclockwise with a deep well 10mm socket or a standard hand wrench.

Set the two nuts aside in a safe place.

Loosen the single 10mm nut that holds the ECU (electronic control unit) computer bracket to the battery clamp by turning it counterclockwise.

Set that nut aside with the other two nuts.

Pull Off Metal Bar
Loosen "-" Terminal Nut
Pull Off Negative Terminal
Pull the metal hold down bar straight off the top of the engine and set it aside in a safe place.

First loosen the 10mm nut on the negative "-" terminal by turning it counterclockwise.

Pull the negative terminal off the battery post, wrap it in a small towel and tuck it away on the side of the battery to help prevent accidental contact.

Cover & Tuck Away Terminal
Open Positive Terminal Cover
Loosen 10mm Terminal Nut
Then pull open the red plastic cover on the positive "+" terminal.

Loosen the 10mm terminal nut by turning it counterclockwise.

Pull Off Positive Terminal
Remove Battery Heat Shield
Battery Cover Removed
Pull the positive terminal straight off the battery post, close the red plastic cover and tuck it away on the side of the battery.

Remove the plastic battery box (A.K.A. "heat shield") and set it aside in a safe place.

Lift Out Old Battery
Part Number 24410JA10B
Clean Off Battery Tray
Carefully lift the old battery out of the engine bay and set it down on the ground.

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

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


Lower In New 12V Battery
Replace Battery Box
Push On Positive Terminal
Carefully lower the new battery down in to the engine bay with the "+" positive terminal at the rear and the "-" negative terminal closer to the front of the car.

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

First push the positive terminal on to the "+" battery post.

Tighten 10mm Nut Clockwise
Close Red Plastic Cover
Push On Negative Terminal
Tighten the 10mm nut on the positive terminal in the clockwise direction until it is snug.

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

Close the red plastic cover over the positive terminal.

Push the negative terminal on to the "-" battery post.

Tighten Nut Clockwise
Lower Battery Clamp
Push On Computer Bracket
Tighten the 10mm nut on the negative terminal in the clockwise direction until it is snug.

Carefully lower the battery hold down bar over the new battery while avoiding making contact with the electrical terminals.

Spin On 10mm Nuts
Turn Nuts Clockwise
Tighten With 10mm Socket
Spin on the two battery clamp bar nuts in the clockwise direction by hand a few turns to prevent them from becoming cross threaded.

Replace the single 10mm nut that holds the engine computer bracket in place.

Tighten ECU Bracket Nut
Hold Down Bar Secured
12V Battery Replaced
Tighten the three 10mm nuts in the clockwise direction until they are snug.

Double check that the new battery is securely in place and can not be moved, wiggled or slid around on the tray.

If the battery can be moved, tighten the two hold down bar nuts a few extra turns in the clockwise direction.

Test the new 12V battery by starting the engine.

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

Also, don't forget to record the battery change in your vehicle's service records.

For more, check out my other 2013-2015 Nissan Altima DIY Repair & Maintenance Guides.

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