Common Repairs and Services - Car Battery

Have an issue with your car battery? Find a mechanic near you who can help.

Car Repairs

Fix car battery issues with the best mechanics

Your car's battery is one of the most important components of its electrical system. It provides the initial power to start the engine, and then works with the alternator to supply power to the rest of the electrical system. If your battery is weak or dead, your car may not start or may stop running altogether.

This is why it's important to have your car's battery regularly checked and serviced by a professional. In this article, we'll discuss everything you need to know about car battery repair and service.

Battery Basics

Car batteries are rechargeable, lead-acid type batteries that convert chemical energy into electrical energy. They are made up of six cells, each containing a series of lead and lead oxide plates submerged in an electrolyte solution of sulfuric acid and water.

When the battery is charged, the lead oxide plates in each cell react with the sulfuric acid to produce lead sulfate and water. This chemical reaction releases electrons, which are then stored in the battery's negative terminal.

When you turn the key in the ignition, the starter motor draws power from the battery's positive terminal, causing a flow of electrons from the negative terminal to the positive terminal. This flow of electrons powers the engine, and once the engine is running, the alternator takes over to supply power to the rest of the electrical system.

Battery Maintenance

To keep your car's battery in good condition, it's important to perform regular maintenance. Here are some tips:

  1. Check the battery terminals for corrosion and clean them if necessary.

  2. Check the battery's fluid level and add distilled water if necessary.

  3. Check the battery's charge level with a voltmeter or multimeter.

  4. Ensure that the battery is securely fastened in place.

  5. Have the battery and charging system tested regularly by a professional.

Battery Repair

If your car's battery is not holding a charge, it may need to be repaired or replaced. Here are some common battery problems:

  1. Dead battery: A battery that is completely dead will not hold a charge and needs to be replaced.

  2. Weak battery: A battery that is weak may not be able to start your car reliably and may need to be replaced.

  3. Corroded terminals: Corrosion on the battery terminals can cause a poor connection, resulting in a weak or dead battery.

  4. Low fluid level: A battery with a low fluid level can cause damage to the internal components and may need to be replaced.

Battery Replacement

If your car's battery needs to be replaced, it's important to choose the right battery for your car. The most important factors to consider are the battery's size, capacity, and cold cranking amps (CCA).

It's also important to choose a reputable brand and to have the battery installed by a professional. Most auto parts stores offer battery installation services, and some may even test your old battery to determine if it needs to be replaced.

Logbook Servicing

Many car manufacturers recommend regular logbook servicing, which includes a comprehensive inspection of your car's battery and electrical system. This can help detect any potential problems early and prevent costly repairs down the road.

In conclusion, your car's battery is a crucial component of its electrical system, and regular maintenance and servicing is essential to keep it in good condition. If you experience any problems with your battery, it's important to have it repaired or replaced by a professional. And don't forget to have your battery and charging system tested regularly to ensure that it's working properly.

For specific advice for your car, always speak to a qualified mechanic. Click here to send a direct message and request multiple quotes from a mechanic near you.

Find out when and what is involved for your next car service here.

Compare service costs between makes and models here.

Disclaimer: Always seek advice from a qualified mechanic.

The car battery is the main source of electrical energy for your car, so it’s fair to say that it is essential to look after your car battery health.

How often you drive (or do not drive) your car, the conditions and driving habits can affect the health of your car battery. On average a car battery should last around 3 to 5 years. After 3 years the ability to hold charge may be affected. Signs that the battery may be beginning to lose charge include dim headlights, sluggish start and the radio not working properly.

Cars are meant to be driven and not sit idle. All car batteries lose its charge over time. Once you start the car, the alternator charges the battery as you drive. It is best to drive your car regularly, but if there are times when you are not using your car, then it is best to start the engine once a week or once a fortnight. Let the engine warm up and then drive the car around the block for around 10-15 minutes.

If you have left your car parked for too long then it could be flat. You may be able to use a car battery charger appropriate to your battery and see if it comes back to life. If your battery does not hold charge, it looks like its time for a car battery replacement. One thing to note, is that once a battery is reset, your car radio and clock presets will probably need to be reprogramed.

Your mechanic should do a battery check and inspection as part of your routine maintenance. You can find your local mechanic here or find a battery supplier here.

Get a car Logbook Service Guide

A logbook service is more than just an oil change! Scheduled checks and adjustments vary between different cars and service intervals.

Get a vehicle maintenance schedule for your car. Find out when and what items need attention. Includes task breakdown of all service intervals for your car.

Keep your car servicing up to date for:
  • Optimal performance
  • Safety for driver, passengers and others on the road
  • Prevent a small problem becoming a bigger problem

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