Without your alternator, your car wouldn't start. So you should always watch out for the signs of a failing alternator. If you notice that your car is experiencing any of the following symptoms, you need to get it looked at by a professional as soon as possible.


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Luckily, at Wrench, our mobile mechanics are making huge strides towards bringing convenience to the auto repair industry. Simply book an appointment with us and you will get a skilled professional right at your doorstep, or office. You get to choose when and where you want your service. We will fit into your schedule, even on your busiest days!

Symptoms of a Failing Alternator

  • Dimmed or Flickering Headlights
    Your alternator controls a lot of the electrical components of your car, so if you notice dimmed headlights, or even dimmed dashboard lights, it could be a sign that your alternator is failing.
  • Service Engine Light's On
    One of the biggest signs that your alternator is failing is when the Check Engine light comes on. That light let's you know that there is something wrong with the fundamental parts of your car, so as soon as that light comes on, you should hire one of our mobile mechanics as soon as you can.
  • Weird Noises
    If you are hearing a squealing noise, there could be an issue with the serpentine belt. Or if you hear a growling, whining, or grinding sound it could be signaling an issue with various parts in your car's alternator.
  • Strange Smells
    If you smell an abnormal smell, you should have a mechanic check out your car as soon as possible. One of the smells associated with a failing alternator is an electrical or rubber burning smell. If you smell these, it is likely that you have a bad alternator on your hands.
  • Dead or Weak Battery
    When your battery dies, it could be due to many factors. Did you leave a light on in your car? Is your battery just too old? Or is you alternator failing? It could be any of those! If you have a dead battery paired with some of the other symptoms listed here, you probably have a failed alternator and should book an appointment with us today!
  • Engine Stalls
    When you are driving, your engine should never cut out, but if it does, you might have a failed alternator. If this is the case, you need to get it fixed as soon as possibly to ensure that you will be safe on the road.
  • Power Issues
    If you are having issues with electrically powered systems in your car, it could be your alternators fault. For example, if your windows roll up slower than normal or not at all, or your sun roof quits mid-close, you need to get your car checked out by one of Wrench's mobile mechanics.

Auto repair and maintenance services have never been easier than they are with Wrench. You can drop the shop and ditch the tow truck because our skilled mobile mechanics are capable of solving many car related troubles. Book your appointment with a Wrench mobile mechanic and you will never go back to traditional auto repairs.


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