How to Tell if Your Car Starter Is Bad | Identifying Signs and Symptoms

Introduction

The starter in a car is an essential component that helps it start up. It’s a motor that engages with a flywheel to start the engine. When the starter begins to fail, you may notice problems such as difficulty starting the car or a loud grinding noise when you turn the key. In this article, we’ll explore how to tell if your car starter is bad and identify some common signs and symptoms.

How to Check for a Foul Smell or Discoloration

One of the first signs of a bad starter is a faint burning smell or discoloration around the starter. This indicates that the starter is overheating due to a faulty connection or worn-out brushes. To check for these signs, open the hood and inspect the starter. If there is a burning smell or discoloration, then it’s likely that the starter is faulty and needs to be replaced.

Listening for Grinding Noises

Another sign of a bad starter is a grinding noise when you turn the key. This indicates that the starter is struggling to engage with the flywheel. To listen for this sound, turn the key and listen for any grinding noises. If you hear one, then the starter may need to be replaced.

Testing Voltage Output with a Voltmeter

To determine if the starter is receiving enough voltage, you can use a voltmeter to check the voltage output. The voltage output should be between 9 and 12 volts. To test the voltage output, connect the voltmeter to the battery terminals and turn the key. If the voltage output is lower than 9 volts, then the starter may need to be replaced.

Looking for Signs of Leaking Fluid

If there is any leaking fluid around the starter, then it could indicate an issue with the starter. To check for any fluid leakage, inspect the starter and surrounding area for any signs of fluid. If you see any, then the starter may need to be replaced.

Inspecting the Starter for Physical Damage

Finally, you should inspect the starter for any physical damage. This could include corrosion, cracks, or other visible signs of damage. If you see any signs of physical damage, then the starter may need to be replaced.

Conclusion

In summary, there are several signs that can indicate a faulty starter. These include a foul smell or discoloration, grinding noises, low voltage output, leaking fluid, and physical damage. If you notice any of these signs, then it’s best to seek professional help to diagnose the problem and get the starter replaced if necessary.