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Try an auto parts store, sometimes they will check your alternator and battery for free.

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โˆ™ 2006-05-23 21:08:29
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Q: Your alternator light battery light comes on and off when you first start the car and drive a few miles no alt light flickingbut after a few miles it does you notice that when you press the accelerato?
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When you drive your 2000 elantra you notice that smoke comes out of the battery top vent you changed the battery and this is still going on does anyone know what could be the problem?

The alternator is probably over-charging the battery. Replace the alternator if the voltage at the battery terminals is over 15V when the engine is running.

Replace Car Alternator?

form_title=Replace Car Alternator form_header=If you're having trouble with the alternator, you might notice problems starting the car or charging the battery. How old is the battery?=_ Has the car been making weird noises when you try to start it?= () Yes () No Is there a brand or aftermarket alternator you would prefer to buy for your car?= () Yes () No

My car died on me last night Everything in the car still work but it wont turn over What do you think is wrong with my car?

Did you notice the lights dimming and loss of power before it died?, if you did, it might be an alternator problem, or a loose or corroded battery terminal, or the battery itself., Check the voltage on the dash board, with the the key on, if its under 12v, the battery charge is low,remove and clean the battery terminals, give it a boost, if it starts and dies as soon as you remove the jumper cable, it´s definitely the alternator.

Why does your battery light come on in a 2005 Dodge Stratus?

Insufficient voltage from the alternator would be typical. If you have a DMM or voltage meter, test the alternator. You should be looking at between 13.6 - 14.6 volts from the alternator... if you're getting less than that, your alternator's on its way out, and needs to be rebuilt or replaced. In a nutshell, your alternator isn't sufficiently recharging your battery, and running your car is draining the battery. It'll continue to run until the battery goes dead. In a newer car, you'll notice nonessential systems start to shut off (e.g., radio, power windows and seats, etc.) as the LVD (low voltage disconnect) kicks in for the sake of maximizing battery life to run essential systems. This is something you really don't want to wait on. If you don't have the aforementioned tools, any auto parts store (NAPA, Advanced, O'Reilly, Auto Zone, et. al) will have the equipment to test your alternator, and can also help you with removal and installation.

What happens when the alternator doesn't work on a 2001 Hyundai accent?

When an alternator goes bad on any vehicle, it drains the battery of power. If lights are on, it will drain even faster and you will notice the lights go dim until eventually the car dies. You can not drive long without a properly functioning alternator. It is though, a standard replaceable part much like water pumps, tuneup items etc.

Why does the battery light stay on and the battery drain causing a 1990 Mercury Grand Marquis GS not to start after the alternator and battery have been checked and the solenoid has been replaced?

Assuming that you are only seeing the battery light when the engine is turned off, and that you notice the battery light does not come on during the normal starting procedure with the car. You will want to check your alternator plugs. Following the plugs out of your alternator, you should locate another connection plug, although it may be covered over with plastic. These are known for corrosion, and using electrical contact cleaner is useful in saving it if you do not wish to buy a replacement part. Hope that this solves your dilemma. Rocky_B - See my entry here for more things you might want to check:

1998Mustang gt When you turn air on drains battery and stalls wont start for 15 min?

That is a curious problem and I'm not sure I know the answer, but here's a guess.I think the issue is with your alternator. If it's on the verge of failure, it will have a difficult time maintaining a charge. However, it's not weak enough to notice alone. When you kick your A/C compressor on, it's consuming load from the engine and taking away from the power the alternator is able to draw. This may be exposing the weakness of the alternator and not allowing it to do it's job. If true, you would be operating on battery power (as if you had no alternator at all), which would cause the engine to shut down after a few minutes, after the battery was drained.Again, just a guess on my part. If you're having to charge the battery everytime this is happening, I think my guess would probably have more validity. If not, then I may be wrong. Good luck!

Why would the alternator turn on with the key on but the motor not running?

It doesn't. The alternator is driven by a belt that goes around a pulley on the engine. The alternator makes electric by using the engines power. Maybe what you notice is fuel pump or blower fan.

How do you fix a car when the battery doesn't hold a charge?

There are a few reasons why a car battery might not hold a charge. One is that the battery has gone bad, and needs to be replaced. If you have any basic skills, you can buy a car battery at an auto supply store, and install it yourself (being careful to get the positive and negative wires hooked up correctly). Second is that the wires leading from the Alternator to the battery or the battery posts and clamps could be corroded, and not making good electrical contact. If you notice corrosion, you can remove the clamps, clean them and the posts with a wire brush and wipe clean with a dry cloth, then replace them. If the battery is dead, it might require a charge from a charging device, or a boost from jumper cables to another vehicle to get the car started. Then you can let the car run and see if the battery holds the charge after that. The third reason, and most likely is that the Alternator is bad, and is not sending a charge to the battery. You can have a mechanic at a reputable auto repair shop or dealership test the alternator, and if it is bad, you can usually buy a new alternator, or a rebuilt one at a lower price. [Also: if your car is not starting, be sure it is because of the battery. It could be that the starter or starter solenoid has gone bad. Other electrical or fuel problems might be the cause as well.]

How do you test alternator on a 1991 Chevy 4.3 6cyl engine?

First, get a volt meter. Test the voltage of the battery before starting the car, then start it and see if the voltage increased. You should see a jump of about 3-4 volts. Alternatively, if the car has a manual transmission, you could tow the car in gear (very slowly, about ten MPH in first) with the engine off and the battery removed and test to see if the alternator is generating power. Without the battery it should only make about one or two volts, but you will be able to notice it on a voltmeter.

If your car will not start and you notice a belt on the ground near the right front tire is that the alternator belt?

Very possibly. If the alternator is locked up (shot) it will burn the belt off of it in seconds. If the alternator has no belt on it chances are this is why. I hope this helps you. Mark

Does the alternator make a noise when charging the battery?

An alternator has fast moving parts surrounded by air, so it will make a noise in operation, in much the same way a desk fan makes a noise. (The fan blades spinning in air.)Under heavy load (battery fully flat) this noise often becomes very slightly louder, due to increased tension in the drive belt causing increased loading on the bearings and the belt, but it would not normally be enough to notice unless tryingto notice it.If the noise is very noticeable it is probably because one of the items the belt runs on has a bearing in the early stages of failure.

What are the signs of a bad alternator?

Here are some symptoms of a bad alternator:Step 1One of the immediate things that you may notice is that the lights on your dash and inside your car dim at random times and then seem to work again. When this happens you may notice that your engine acts strangely too. This is one of the classic warning signs of a bad alternator. This is because the alternator is beginning to fail and is intermittently not putting out enough juice to power the car.Step 2You may find that you have to repeatedly jump start your car after turning it off. This in and of itself isn't one of the warning signs of a bad alternator, but it is very indicative. As long as your battery is in good condition and isn't too old then this problem generally points to your alternator. This is because the alternator isn't providing enough electricity to properly charge the battery and because of this it runs down while you are driving and doesn't have enough power to restart your car. Don't ignore a problem like this or you will prematurely wear out your battery or become stranded someplace.Step 3A noisy alternator is another warning sign that it is going bad. This is because the bearings inside go out and you can usually hear this when your hood is open. The sound will be coming from the area where your serpentine belt and alternator are and will sound like a sort of rattling spinning noise. It will be loud enough to make you wonder if something is wrong.Step 4If your engine is stalling completely, that is one of the signs that your alternator is almost completely dead. Make sure that you don't drive your car in this condition and have a mechanic or technician check it right away. This means that your alternator is so shot that it can't even keep the car running and is one of the last warning signs you will get before you can't even start your vehicle.

How much more fuel does an engine use when the car lights are on?

Lights on a car do not cause any major fuel cost, as they are run off the battery. The engine has an alternator on it that is working all the time charging the system up. This is where the lights would cause any fuel costs. The alternator may put extra load on the engine, but it would be hard to notice any difference in fuel costs.

How do you remove the battery cover on a peugeot 207?

lift the centre tab. The cover fits loosely over the battery. You'll notice how the surrounding parts fit around the battery cover.

Where is the power steering pump?

AnswerIts on the right hand side where the alternator is at. Look down, and you will notice a cap that says "POWER STEERING" on it.

On a sidekick 2008gekko does leaving it on charge after the battery is full ruin the battery?

When using a laptop leaving it plugged in when the battery is fully charged does do some slight damage to the battery life. However this is minium but if you do thiscosistantly you will notice your battery does not last as long. Good question

Can you find out if your cell phone battery has been switched out with someone else's battery?

There can be a few ways that you can notice that you might not have the same battery in your phone as before:your battery life is not as long as it used to beThe serial number in the battery seems to be differentthe weight of the phone may have changed.

How do you test an alternator?

Start the engine, while the engine is running, remove either battery cable. It should stay running, if not, possible bad charging system. Or take it to auto zone. They check them for freeNEVER EVER disconnect a battery cable while the engine is running unless you like your computers fried.Here's a link to the proper way to test: again, never ever disconnect a battery or alternator with the engine running. The resultant voltage spikes can fry electronics, the alternator diodes can be overloaded and fried...bad things can happen. The don't ALWAYS happen, but why risk $1,000's of dollars in damage when there are correct ways to test your alternator.One simple way is at night star your car, turn off all electrical accessories, turn on your high beam head lights and point your car at a wall where you can see the reflected light well. Notice how bright they are. Turn off the car. If the lights get brighter, odds are very good your alternator is bad/weak.

Why does car not run if you have a new battery and new alternator?

Assuming you mean not start. The starter motor or its wiring could be dead/faulty. Assuming the battery always ends up flat, a power leak somewhere.. ie something is being left on or shorting. Remove the fuses one by one till you notice a spark at the fuse, clocks will give a tiny spark a larger spark is what you are looking for. That circuit is draining power. Using an amp meter instead of the each fuse would be the best way of course. It could also be bad alternator wiring.

Why would a 93 ford escort battery go dead if nothing was left on the alternator is ok and after jumping the battery registers low but not bad?

This could also be caused by the Air conditioner compressor relay located on the front right firewall. Turn the key to on -do not start the car- and disconnect each relay and listen for a clicking sound from the a/c compressor area. This will drain the battery over time. If you are running the car often you will not notice the problem but if the battery is low after a day or two of having the car parked then this could be the cause. Had a dealership tell me it was the battery too. That battery drained over the next long weekend. your battery is probably bad. i would suggest a new battery or an altinater. it can only be one of the two if your leaving nothing on.

91 Escort GT When you go long distances the radio cuts out and all the lights dim and when you turn it off the battery needs time to charge what is wrong?

First thing to check is your alternator, a quick and easy way to check is to pull the positive battery cable off the battery when the car is running, if the car dies or sounds like it wants to die then most likely your alternator is bad, but if it doesn't die and you don't notice a change in the way the engine runs then maybe your regulator is going out, that would make it charge sometimes and not others. If you don't think it is either one then it could be a short in the wiring, which would cause your car to draw too many amps thus killing your battery on long trips. I am no expert but

How do you replace the alternator on a 1996 Toyota Corolla?

If you are standing at the front of the car with the hood raised, the alternator will be bolted to the side of the engine closest to you, at the left corner. You will notice the metal housing with coils of wire showing through the grates. Begin by disconnecting the battery cables. The alternator is secured to the engine with a bolt hinge on the top, and with a bolt slide on the bottom bracket of the alternator. The bolt slide mechanism is to allow the belt tension to be adjusted. 1) Begin by loosening the bolt that attaches the bracket to the slide. The head of the bolt faces the passenger side, and will require the use of a 12mm socket. You just need to get it loose enough to let it move. Don't completely remove it yet. 2) Next, unscrew the bolt that controls the tension on the belt. This will be the long bolt with the head facing towards the front of the car. It also requires a 12mm socket. Keep turning the bolt counter-clockwise until you can move the alternator enough to remove the belt from the alternator pulley. 3) Now you can unscrew the bolt on the top bracket. This bolt requires a 14mm socket. 4) Disconnect all wires from the alternator. You can now remove it from the engine bay. 5) Installing the new alternator is simply the reverse of removing the old one. Reattaching the bottom bracked to the bold slide can be challenging, and may take some trial-and-error to fit it back in. Do not tighten down the bolts yet. 6) After you have remounted the alternator, and have the belt back on the pulley, begin to turn the tensioner screw clockwise. This will push the alternator away from the engine, tightening the belt. The way to tell if you have tightened the belt enough is to push down in the middle of the belt (between the two upper pulleys) with your finger. A properly tightened belt will only flex by about 1/4" to 3/8". 7) Now you can tighten down the rest of the bolts that mount the alternator to the engine (remember not to accidentally continue tightening the belt-tensioner bolt). 8) Reconnect all wires to the alternator. 9) Reconnect the battery leads. You must first attach the negative (-) lead, then connect the positive (+) lead. Most of the time, when an alternator fails, we don't realize it until the battery is dead and the car no longer starts. If this is the case, you must remember to give your battery a full recharge before attempting to use the new alternator. Running a car engine when the battery is extremely hard on the alternator because it has to not only power the car, but recharge the battery as well. This can cause your new alternator to fail as well, putting you back at square one. That's all!

When to buy an Automotive battery?

When your car is having trouble starting up or when you turn it up and you notice it struggling a little


Over time, you may notice that your battery doesn't hold a charge as long as it used to. This may be caused by frequent charges/drains or infrequent battery use. It is recommended that you "condition" your battery a few times a year to get the most out of it. To do this, simply charge your battery to the fullest and then disconnect the AC plug.