What happens if alternator goes bad




















What then? Your battery will be drained, and fast. Using the example above, with an RC of that means that the battery should be able to keep the engine running and the headlights on for minutes. I would also warn that running an engine on the battery alone, until the battery is dead, will drastically shorten the life of the battery, and using a new alternator to attempt and resurrect a dead battery will kill the alternator in short order. Remember, this is with a fully charged battery.

If your alternator has been going bad, your battery is not going to be fully charged. Generally speaking, the alternator is a hardy part. The number one cause of alternator failure is perhaps unsurprisingly…. With normal use, this can be as low as 5 years in more challenging climates looking at you, New England and you Pacific Northwest.

Vehicles use fuses to keep the alternator functional. These fuses blow out after a while or when there is a power surge. In these cases, your alternator would fail and your battery would not charge. Alternators use the mechanical power of a belt and pulley to generate the electrical energy for the vehicle. This pully and belt system is the weak link in your alternator.

The pully can stop working, while the alternator belt can wear out and break. The problem is that the alternator belt and pulleys are not too durable, which means they can easily break. Pulleys will typically last for a long time before they eventually get damaged from old age.

The pully only really gets damaged if you have an accident of some kind. Much more common is the belt itself wearing out. Belts are flimsier and will eventually start to crack and even break after enough time. If either one of these things were to happen, there would be no mechanical energy being generated for the alternator to convert.

This is for a re-manufactured alternator with labor included. Your cost is going to depend on how difficult it is to get to. As a general rule, the more labor intensive makes think BMW, Mercedes, and the oh so reliable Jaguar will generally costs more than a Honda or a Toyota. You can even buy the driveline in less than 5 minutes and have your alternator covered and ready to go. Facebook 0 Tweet 0 LinkedIn 0. Our goal here at Protect My Car is to eliminate your worry of being financially responsible for an expensive mechanical breakdown.

You may also get a Chk engine light and it may drive only in one gear and maybe even not reverse.. One way I always used to determine a bad alternator at least in the old days get the engine running and carefully remove the terminal cables from battery. If lights and devices stay on, its good, otherwise the engine may also just shut off or devices will shut off i. I have a VW Passat. Replaced 4 alternators in last 16 months, 3 of them were in last 90 days! We have replace the battery too.

Finally the last altenator we put on last week was NEW Bosch, whereas previous ones were all remanufactured. We thought they were just bad, but now this new one is charging but the current is bad and tests like a faulty voltage regulator.

Mechanic has checked all cables, wiring, grounds, everything he could think of. What is causing my altenator to continuously fail over and over? Just bad aftermarket OEM? I even looked up VW. Turns out the starter may have now gone out. Could that have been blowing the voltage regulators in each of these alternators? Hello there. I have an old Toyota Camry and recently my battery seems to drain faster these days.

A friend also told me tensioner belt could be the problem, is this true? Anyway, At least now I have an idea on where they can start Thanks! My Honda Accord had some issues and went to workshop. According to the technician I have replaced gasket, power steering and air filter.

After replacing the Power Steering there was some noise specially in the morning first start when turn steering wheel completely. Technician said this is normal and will go out the sound after few days. However it remain the same and again I have visited the workshop to address the noise problem. I am really disappointed because I have already paid more than USD and again they recommended to replace the alternator.

I needed good advice please help me. Is this genuine problems? My battery working well. What happens if I drive my car in the same situations? I am thinking to replace alternator once it will completely die. Still I am not convinced because of the alternator power steering make noise!!!!! Just put a new starter on my car and when I turn it over it still wine what does that mean if I just put a new starter it was doing that with the old starter.

We cannot diagnose the issue for you unfortunately. Thank you for sharing this information. I had my GEN light come on yesterday morning, stayed on during the 14km round trip to drop a worker off.

Then in the afternoon the GEN light went off once jeep was started and stayed off during the 18km round trip i went the long way to charge battery — hoping that that is the problem as its been sitting for long periods since lockdown.

This morning however, GEN light went off, and came on again after 50metres driving and stayed on, Battery gauge was on the edge of the red, and by the time i was halfway home I was praying to GOD that I would make it as jeep started to lose engine power no ooomph … lost my headlights as i entered the driveway long driveway, mutiple cars parked in a tight area.. Now what?

Any suggestions? My Ford Escape has stalled several times this week. I recently just put a new battery in it, but apparently, it stalled out again twice today as I was trying to do doordash. Hi, good day. My car is actually working but once I use my wiper, breaks or headlights the battery indicator turns on.

I actually asked 2 mechanics regarding it. A bad alternator almost always leads to a dead or drained battery. I learned from Dig My Ride that dead batteries due to broken alternators are one of the most notorious causes behind cars not starting.

Thank you for this! My alternator just produced a whining sound. The battery still being charged but at a high RPM like 2, The charge indicator says at 13,1Volts on Aircon at high RPM of 2, how long will the alternator last? The bad part is am at the trails am about 90 miles away from home. Skip to Main Content. Search for: Search Now. We are an essential business; you can come visit us!

Due to current COVID concerns, many local jurisdictions have put in place a stay-at home order, which allows only essential businesses to be open. What this means for the families we serve and our employees:. Schedule an Appointment Find a Location. Flickering headlights? Strange noises? These could be signs of a failing alternator.

So, how do you know if you are having trouble with your alternator? The Warning Signs of a Failing Alternator Indicator Lights Most modern cars have a dashboard warning light to alert you to a problem with your alternator.

Headlight Trouble Your alternator provides the power to your headlights. Smells Smell burning rubber? Smell electrical burning? Submit a Comment Cancel reply You must be logged in to post a comment.

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