How can you tell if your Hyundai Sonata alternator is bad?
Dim headlights. Dimming headlights are one of the most common signs of a bad alternator in the Hyundai Sonata. Dim headlights indicate that the alternator can’t keep up with the energy request for the lights. As your Sonata begins to eat through the voltage stored in the battery, the headlights will begin to fade.
What are the symptoms of a bad alternator?
Outside of the battery warning light, a dead battery is the most common symptom of a bad alternator. As the alternator can no longer supply your Sonata with an adequate power supply, it will begin to feed off of the reserve in the battery.
Why does my Hyundai Sonata battery drain while driving?
If your Hyundai Sonata’s battery is draining, it’s something that’ll need addressing right away. If it is draining while your Sonata is off, it’s usually caused by something that is drawing current that shouldn’t be. If the battery is draining while you’re driving, that is probably going to be the alternator or battery.
Are there any problems with the Hyundai Sonata?
Hyundai Sonata owners have reported 56 problems related to alternator/generator/regulator (under the electrical system category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Hyundai Sonata based on all problems reported for the Sonata.
Dim headlights. Dimming headlights are one of the most common signs of a bad alternator in the Hyundai Sonata. Dim headlights indicate that the alternator can’t keep up with the energy request for the lights. As your Sonata begins to eat through the voltage stored in the battery, the headlights will begin to fade.
Outside of the battery warning light, a dead battery is the most common symptom of a bad alternator. As the alternator can no longer supply your Sonata with an adequate power supply, it will begin to feed off of the reserve in the battery.
Hyundai Sonata owners have reported 56 problems related to alternator/generator/regulator (under the electrical system category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Hyundai Sonata based on all problems reported for the Sonata.
Can a Hyundai Sonata have an oil leak?
Oil leaks onto alternator in 3. 3 liter v6 Sonata. This will be the second alternator in less than a yr. I also read in a auto forum others have complained of the same issue. This can be very dangerous causing car to just die with little warning other than battery light lighting up on dashboard.
What happens when the battery dies on a Hyundai Sonata?
When the battery gets so dead it will no longer be able to power your Sonata’s ignition system. As the ignition system is no longer able to produce a full powered spark, the engine will begin to sputter and stall.
When to replace the alternator on a Kia Sorento?
If you got 14.2 or more volts, the alternator is charging fine. If it’s still showing in the 12’s, it’s time to replace the alternator. If it’s producing a voltage level in the 13’s, go ahead and take it into a parts store and have it tested.
What happens when the alternator on a Hyundai Sonata goes bad?
If your Sonata’s alternator starts to have bearings that fail, it’ll begin to make some very obnoxious noises. If the serpentine belt has gone bad, it can make some noises too, but it won’t sound metallic like the bearings going bad would.
If you got 14.2 or more volts, the alternator is charging fine. If it’s still showing in the 12’s, it’s time to replace the alternator. If it’s producing a voltage level in the 13’s, go ahead and take it into a parts store and have it tested.
Can a bad serpentine belt cause an alternator to stop charging?
It’s worth noting that a bad serpentine belt can cause the alternator to stop charging effectively. It’s pretty easy to tell if one is bad. It’ll look dry rotted.
What happens if you have a bad alternator in your car?
But if you have a bad alternator, then it won’t be able to keep the battery charged. This will cause the car battery light to illuminate once there is an inconsistency in the charge. Once the alternator completely dies, the power that is left in the battery will be exhausted in a matter of minutes.
Why is the battery light on but the alternator is charging?
1 Check for Corrosion. In some car models, the fumes from the regular functions lead to corrosion to collect on the battery terminals. 2 Clean the Car Battery Terminals. If you notice some corrosion or grime around the battery terminals, it might be the reason why the car battery light is still on. 3 Tighten the Battery Clamps. …
Can a bad alternator cause a car to not start?
Once this battery reserve hits a certain level, the vehicle will begin to run erratically and will no longer start when the key is turned. Often, the battery light will come on, the alternator gets replaced, and then a few days later the vehicle dies.
When the battery gets so dead it will no longer be able to power your Sonata’s ignition system. As the ignition system is no longer able to produce a full powered spark, the engine will begin to sputter and stall.
How to diagnose an alternator or electrical problem?
Diagnosing alternator problems can be a bit tricky because the electrical system in a car comes from two places, the battery and the alternator. I’ll give you a little background so you can understand what both systems do. The battery has one primary function, which is to start the car.
Oil leaks onto alternator in 3. 3 liter v6 Sonata. This will be the second alternator in less than a yr. I also read in a auto forum others have complained of the same issue. This can be very dangerous causing car to just die with little warning other than battery light lighting up on dashboard.
Are there any recalls on the Hyundai Sonata?
While there is a recall for certain Hyundai models with the same problems. There is not one for the Sonata which has displayed similar problems. The recall number is 14v415000. Leaking valve cover is allowing oil to leak down onto the alternator. Car can be stationary or running.
What causes an alternator in a car to fail?
Car can be stationary or running. Most notable when car engine is running. Oil leaking onto alternator can cause alternator to short. Alternator failed and car battery could not charge battery. Car died while my wife was driving and she had to pull quickly off to the side of the road.
Why does my Hyundai Sonata keep running out of fuel?
Another common reason that your Sonata may be starving for fuel is a bad fuel pump. The fuel pump is responsible for sending highly pressurized fuel to the fuel rails. The engine can die if the fuel pressure is not high enough to properly atomize the gasoline properly.
What should the voltage of a Hyundai Sonata battery be?
The voltage of the battery on your Hyundai Sonata can be measured precisely with a multimeter. Before the test, the multimeter is set to the voltage range of the battery and connected to its plus and minus poles. Successful testing of the car battery, i.e. checking the voltage, usually results in values of approx. 12 to 13 volts.
While there is a recall for certain Hyundai models with the same problems. There is not one for the Sonata which has displayed similar problems. The recall number is 14v415000. Leaking valve cover is allowing oil to leak down onto the alternator. Car can be stationary or running.
What happens if you have a bad alternator?
The battery stores enough voltage to be able to start the engine without the assistance of an alternator. It is turned by a serpentine belt. It’s worth noting that a bad serpentine belt can cause the alternator to stop charging effectively. It’s pretty easy to tell if one is bad.
How do you replace an alternator on a car?
Remove the drive belt. Remove the alternator’s two mounting bolts and remove the alternator. Install the replacement alternator and attach the mounting bolts. Reinstall the alternator drive belt and then tighten the upper and lower adjusting mount bolts. Connect the alternator’s electrical connectors and connect the negative battery cable.
Can you replace an alternator on a 2002 Hyundai Santa Fe?
The procedure for removing and replacing an alternator on a 2002 Hyundai Santa Fe can vary depending on the engine type. In any case, you need an exact duplicate of the old alternator to install in its place, with the exact same size and location of the terminals and the same identification numbers imprinted on it.
How do you adjust the tension on an alternator?
Connect the alternator’s electrical connectors and connect the negative battery cable. Adjust the tension for the alternator drive belt by prying on the alternator housing and tightening the upper tension and lock bolts followed by the lower bolt. Disconnect the battery cable as described above. Loosen and remove the alternator drive belt.