top of page

Top signs that it is time to change your car battery

Updated: Oct 17, 2023

In the realm of automotive maintenance, understanding how to gauge the health of your car battery is an essential skill. You don’t want to find yourself stranded on a dark night because your car battery died. This blog post aims to guide you through some common symptoms and signs indicting that it might be time to replace your car battery.


Contact us at 97127445 or visit our car workshop at Caltex 3781 Jalan Bukit Merah and our friendly mechanics will be happy to assist you.


Delkor car battery
Delkor car battery

Introduction

A car battery plays an integral part in the daily operation of your vehicle. It provides the initial spark to start the engine and powers all the electrical components in your car. When your car battery starts to deteriorate, you may notice a few telltale signs like slow engine crank, dimming lights, or the need for frequent jump-starts. Let's dive deeper into these symptoms and learn how to spot them.


Importance of a functioning car battery

Your car's battery is its heart - without it, your car cannot function. Batteries provide the necessary power to all the electrical components in your car, including the ignition system, engine control unit, and the vehicle's headlights. A failing battery not only disrupts everyday use but can also lead to more serious problems like damaging the starter or alternator.


Signs that your car battery needs replacing

Spotting the early signs of a dying battery can save you from significant inconvenience and potential safety risks. Here are some common signs that suggest your car battery might need to be replaced.


Sign 1: The Engine Cranks, But Won't Start

This is one of the most common symptoms of a dying battery. When you turn the key, the car's engine will attempt to start, but it won't be able to.


starting car ignition
starting car ignition

Explanation of the issue

This happens when the battery does not have enough power to trigger the ignition system and start the engine. However, it still has enough power to activate the starter motor, causing the cranking sound.


Possible causes

While this could be a sign of other issues like a bad ignition switch or a failing starter, more often than not, it indicates a dying battery, especially if it's coupled with other symptoms like dim headlights or trouble starting the car in cold weather.


Steps to take if this occurs

If your car cranks but won't start, try getting a jump start from another vehicle. If this gets your car started, it's a strong indication that the problem lies with the battery. Regardless, it would be best to get your battery tested and replaced if necessary.


Sign 2: The Engine Won't Crank (and the Accessories and Lights are Off)

When you turn the key and nothing happens, it means the battery doesn't have enough power to turn the starter motor, let alone start the engine.


Explanation of the issue

This typically happens when the battery is completely dead or drained. In such cases, you won't see any lights on the dashboard, and the radio, headlights, and other accessories will also be off.


Possible causes

A completely dead battery could be caused by several factors. Age is a common one as most batteries last between three to five years. Other reasons could be severe weather, a malfunctioning charging system, or an internal short in the battery.


Steps to take if this occurs

If your car doesn't crank at all, you will need a jumpstart to get going. However, this is only a temporary solution. You should drive straight to a professional mechanic or a service center to get your battery tested and replaced if needed.


Sign 3: You've Had to Jump Start Your Car a Lot

Having to frequently jump-start your car to get it going is a clear sign of a failing battery. If this is happening too often, then it's time for a new battery.



jump-start car
jump-start car

Explanation of the issue

A healthy car battery recharges itself while driving. If your battery is dying, it won't hold the charge for long and will require frequent jumpstarts.


Possible causes

Several reasons could cause a battery to drain quickly. These include a faulty charging system, a parasitic drain, or simply an old or defective battery.


Steps to take if this occurs

If you've had to jump-start your car a lot lately, it's best to take your vehicle to a professional. They can conduct a thorough assessment and determine whether you need a new battery or if there's another underlying issue that needs attention.


Sign 4: Your Car Battery is Cracked, Swollen or Leaking

A visibly damaged battery is a surefire sign that it needs to be replaced. Problems can include a swollen or bloated battery case, cracks, or leaks around the top of the battery where the terminals are located.


swollen car battery
swollen car battery

Explanation of the issue

The battery case can swell and crack due to extreme temperature changes. Overcharging can also cause the battery to leak acid, which can corrode the terminals and cause a bad connection.


Possible causes

Extreme heat is a common cause of battery swelling and leakage. Faulty voltage regulators can lead to overcharging, which can cause the battery to swell or leak acid.


Steps to take if this occurs

If you notice your battery is swollen, cracked, or leaking, it should be replaced immediately. Car batteries contain dangerous chemicals, and a leaking battery can pose serious safety risks.


How to Test the Voltage of Your Car Battery

Testing your battery’s voltage can give you a quick snapshot of its overall health. It can help spot a weak battery before it becomes a dead battery.


test car battery
test car battery

Explanation of the testing process

You can test your car battery's voltage using a multimeter, a tool that measures electrical voltage, current, and resistance. A fully charged battery should read around 12.6 volts. If it reads lower than 12 volts, your battery may be undercharged.


Step-by-step instructions

First, make sure your vehicle is off. Set your multimeter to 20 DCvolts. Connect the red probe to the positive terminal of the battery and the black probe to the negative terminal. Read the voltage on the multimeter display.


Interpreting the results

If the voltage reading is significantly below 12.6 volts, it may indicate a weak or failing battery. However, it's important to note that a low voltage reading can also be caused by other factors such as a problem with the alternator or a parasitic drain in the electrical system. If you're unsure about the results, it's best to consult a professional mechanic for further diagnosis.


Conclusion

Being able to recognize the signs of a failing car battery is crucial for every car owner. By understanding the symptoms and taking appropriate action, you can avoid being stranded with a dead battery. Remember, if you experience any of these signs - difficulty starting your car, dim headlights, frequent jump-starts, or visible damage to the battery - it's time to get your battery tested and replaced if necessary. Regular maintenance and prompt replacement will ensure your car battery continues to power your vehicle reliably.


Contact us at 97127445 or visit our car workshop at Caltex 3781 Jalan Bukit Merah and our friendly mechanics will be happy to assist you.


Caltex Havoline autoPro Workshop at 3781 Jalan Bukit Merah
Caltex Havoline autoPro Workshop at 3781 Jalan Bukit Merah

3,811 views0 comments

Comentários


bottom of page