How to change Audi battery DIY Guide
HUB: Audi Updated Friday Mar 09, 2018
In this tutorial, you will find instructions on how to change the battery on various Audi models. To change the battery on 1995-2020 Audi model you will need a few basic tools such as a 10mm wrench, terminal cleaning brush, battery protector and of course a new Audi battery.
1. Symptoms of bad Audi battery
- Audi does not start
- Battery dead or does not hold a charge
- Engine cranks very slow
- Audi has no power or lights
2. What you will need
- Battery Protector
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Step 1: Turn off the engine
Before you get started replacing the car battery on your Audi remove the key from the ignition. Audi can be sensitive to low voltage and keeping the key in the igntion can cause electrical problems.
In case your Audi battery is completely dead, you will not be able to get into the car because your key fob remote will not unlock the car. Remvoe the metal key from the remove and manually open the driver's door.
Step 2: Open Hood
Pull the hood release under the dashboard on driver's side. Next, release the hood latch at the front of your model
Step 3: Locate Battery
To access the battery you may need to remove the plastic cover.
Step 4: Disconnect Negative
Disconnect the negative battery termnial on your Audi. Loosen the 10mm nut, no need to remove it. Then twist the cable and pull it away from the battery post.
Step 5: Disconnect Possitive
Next, disconnect the positive battery termnail.
Step 6: Replace Battery
Remove battery hold down bracket. Here is a close up picture of the battery bracket on your Audi model.
Step 7: Clean Terminals
It is important to clean battery termnails of your Audi using a termnial brush. This will ensure that you don't have any corrosion issue in the future.
Step 8: Connect Positive
Reconnect battery terminals. First, connect the positive battery cable on your Audi.
Step 9: Connect Negative
Lastly, conect the negative termnials. Use fiber washers to prefent corrosion of the battery termnails.
Step 10: Protect Termnials
Spray terminal protector on the battery posts and clamps. A battery protector helps seal the metal surfaces. It helps reduce corrosion and improves current flow.
Step 11: Start engine
Now it is time to start your Audi. Enter the car and start the engine as you normally would. Follow the instructiosns found on your owner's manual to synchronize windows, sunroof, seats and set lost radio preset stations.Back to top
- If your vehicle does not start, make sure the battery cables are secured to the battery posts.
- Radio presets, seat memory, sunroof may need to be reset.
- Follow these instructions to learn How to test battery, alternator and charging system on a car.
- Car batteries can last from 3 to 8 years.
- If your battery has died it is important to perform a charging system test to verify the battery is the culprit.
- If the new battery drains again it can be due to a parasitic draw.