It’s a frustrating scenario no driver wants to face: turning the key in the ignition and hearing nothing from the engine. While several issues could prevent your car from starting, one common culprit is often a faulty starter motor.
In this article, we list the most common signs of a failing starter so you can determine if it’s time for a replacement.
What are the Signs of a Bad Starter?
If you’re wondering how you can tell if your starter is bad, there are a few key symptoms to watch out for. While some signs can be hard to miss, others can be quite subtle, so it’s important to be aware of the signs when diagnosing a faulty starter.
Unusual Sounds
One of the most common symptoms of a bad starter is a clicking sound, or sometimes even a whirring noise, when you try to turn the key in the ignition or push the start button. In worse cases, it won’t make any sound at all. This bad starter noise can provide important clues about the condition of your starter, so take note of the kind of sound you hear when trying to start the engine.
Engine Won’t Start
How do you know if your car starter is bad? If you try to jumpstart your engine and the dashboard lights up but the engine fails to ignite, you may have a faulty starter in your hands. Consider it high time to call roadside assistance or seek immediate help from a certified technician.
Flickering Dashboard Lights
If the dashboard lights come on but the engine won’t crank, it may be due to minimal power being supplied. A faulty starter can prevent the engine from turning over even though the electrical system may seem functional. While this can also indicate a bad battery or alternator, it helps to check the condition of your starter as well to avoid further complications.
Overheating and Smoke
When trying to start your car, the starter itself can overheat, leading to potential short circuits and blown fuses that can generate smoke. As soon as you notice or smell burning coming from the vehicle, stop turning the key and call for a qualified mechanic.
Can you start a car with a bad starter? A few temporary methods, like tapping the starter casing to improve the connections or doing the quick push start and clutch release while manually rolling the car may be enough to fire up your engine. However, it is advisable to bring your vehicle to a mechanic or try replacing the starter yourself as soon as you start noticing any of these bad car starter symptoms.
What Causes a Starter to Go Bad?
A starter can fail due to a variety of reasons, often related to age, electrical issues, and mechanical problems. Common causes include:
Damage and Wear
Like every component in your vehicle, parts of the starter system can wear out and become damaged over time, leading to reduced inefficiency. Key parts that should be checked to ensure the system is in optimal working condition include the starter motor, the cables, and the starter relay.
Loose Wiring
When electrical connections around the starter are not tightly secured, the flow of current needed to power up the starter motor can be disrupted, preventing the engine from starting.
Dirty and Corroded Wires
Dirt can accumulate between the circuits, hindering safe and efficient power transfer. The presence of corrosion requires even more immediate action, as it weakens the integrity of the wires, making the starter system more prone to failure.
Battery Corrosion
A car’s battery, which also powers the starter, generally lasts between three to five years, depending on usage, driving conditions, climate, and maintenance. Over time, it can corrode due to overheating, leaks, or wear, leading to electrical problems.
Oil Leaks
If you find your starter soaked in oil, it may indicate an engine oil leak. Even minimal oil leaks can escalate into costly issues, so you must catch any signs of leakage early to avoid damaging the starter.
Faulty Relay
A malfunctioning starter relay can also prevent the engine’s crankshaft from rotating properly during startup. In some cases, it can also cause the starter to continue cranking even after the engine has started.
What Does a Starter Do?
Understanding the role of a starter is essential for maintaining your vehicle and ensuring its optimal performance. This seemingly simple yet very important component plays a vital part in your engine’s operation. Let’s dive deeper into what a starter is and how it functions.
What is a Car Starter?
The car starter is a small electric motor that is responsible for starting your engine. It is powered by the vehicle’s battery and functions as part of a complete starting system composed of various components. This typically includes a starter relay, battery cables, wire connectors, ignition switch, transmission gear position switch, clutch interlock switch (in manual transmissions), and possibly the engine control unit (ECU).
How Does a Car Starter Work?
So, what does a starter do in a car? It relies on a starter relay to receive an electrical current from the car’s battery when you turn the ignition key or press the start button. Once the starter motor is powered up, it engages with the engine’s flywheel to crank the engine and get your car up and running. If any part of this system fails – whether it’s the motor, relay, or battery – the engine won’t start, and you may need to have your car towed to get it fixed.
Where is the Starter in a Car?
The location of the starter in your vehicle depends on the arrangement of the engine and transmission. For example, front-wheel-drive vehicles like SUVs and trucks will typically have their starters between the engine and transmission, specifically on the driver’s side just beneath the left cylinder bank of the engine. But more often than not, it’s near the flywheel or flex plate teeth, on one side of the engine block. You may even find the starter underneath the intake manifold of Toyota and Lexus vehicles.
How Can I Prevent Starter Problems?
Follow these simple maintenance steps and effective strategies to extend the life of your starter and avoid unexpected failures:
- Inspect the Wiring: Regularly check the wiring around the starter and make sure they are tightly secured for more reliable electrical flow.
- Regular Cleaning: Maintain cleanliness around the starter and its connections. Remove any dirt and corrosion, especially around the battery and starter connections.
- Replace Worn Parts: If any of the starter system components show signs of wear, have them replaced or fixed promptly to maintain the integrity of the starter system.
- Watch for Oil Leaks: Regularly inspect for oil leaks and prevent the accumulation of oil on or near the starter to prevent starter failure.
Car Starter Replacement Cost
How much does it cost to replace a car starter? Replacement costs vary significantly depending on several factors, such as your vehicle’s make, model, and the type of starter you need. The component itself can range from $50 up to $350, while the total car starter replacement cost can go higher than $1100, especially when handled by a certified mechanic. Labor costs contribute the most to the final price, particularly if the starter is harder to access from inside the vehicle.
Fortunately, there are many options offered by third-party manufacturers and original equipment manufacturers (OEMs). Aftermarket parts are generally less expensive, while OEM parts, though pricier, guarantee a more perfect fit and often come with warranties. If you’re confident and experienced enough to take the DIY approach, a complete starter replacement set for your vehicle can make the job easier and save you money.
FAQ
How long does a car starter last?
The average lifespan of a car starter depends on factors such as driving habits, road conditions, vehicle maintenance, and the design of the engine. However, it can typically provide 80,000 to 100,000 starts or anywhere between 100,000 to 200,000 miles.
Can you jump a car with a bad starter?
There’s no guarantee that jump-starting a car will work if it has a faulty starter. If the car does start, it’s likely due to a weak or drained battery, as starter issues typically prevent the engine from starting at all.