Question about 1990 Toyota Corolla

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How can i tell what kind of alternator is in my car so i can replace it

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You can just remove it and take it to an auto parts store and swap it! Or you can tell the make, model and engine type and they will tell you what alternator fits your car.

Posted on Oct 13, 2010

  • tnmbcquinn Oct 13, 2010

    i dont know how to take it out without breaking anything and the auto parts store said there are 2 different types of alternators for my car that run at 2 different amps

  • john andrew manchook Oct 14, 2010

    The alternator is held on with two bolts. And has one or two wires plugged in it.

    The bolts are loosened which allow you to put slack into the drive belt. Once the belt is off you can unplug the unit and remove the bolts completely.

    If you are afraid of breaking stuff you might want to just find a small local garage and pay the labor to have the alternator replaced. The reinstall requires a bit of muscle when tightening the belt too!



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While driving home tonight i noticed the battery light come one and as i continued to dive the vehicle then died.

Nicole; check the alternator belt, loose,worn, is it still there and on.
If battery is new and connections are good, and belt is good, probably a bad alternator. Alternator cost $125 to $200, labor $60-$120
press the helpful button
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Feb 05, 2016 | 2006 Suzuki Swift 1.5

1 Answer

Battery light is on starter and alternator are working

first,what kind of car? second,how do you know the alternator is working?let me tell you how the alternator and the battery light works. the bulb receives ground from the alternator when the alternator either isnt spinning or if the alternator is defective,so when the alternator is spinning and said alternator is in working condition, the alternator sends power to the bulb,and with no ground,the light goes out, so,to answer your question, install a reman or new alternator because your is bad.

Aug 11, 2014 | Cars & Trucks

1 Answer

Why isnt my 1990 chrysler new yorker fifth avenue altenator not charging battery

Could be a bad battery or a bad alternator, or both.

A bad battery can hinder the performance of an alternator and a faulty alternator can slowly kill a battery.

Check your battery fluid levels and acidity concentration. Do not replenish fluid level with plain tap water as it will finally spell doom on the battery.

If you can still drive the car, take it to your nearest auto parts dealer. They usually have basic maintenance checkups for free. One of them is testing the charging system and they will tell you right up if the problem lies in the battery or the charging system.

A bad battery is a blind alley. If it's bad then replace it.

If you still want to hack at it at home, and all is OK with the battery, there is an old way of telling whether the alternator is working properly. But it's kind of dangerous if you do it wrong.

With the engine running, place the flat part of a flat head screwdriver on the side of the alternator, opposite to the v-belt or serpentine pulley. I'm talking about the center of the back cover of the alternator. Make sure you do not touch any electrical connections with the screwdriver as you may cause a short-circuit and experience fireworks. The tip of the screwdriver should be safely away from any spinning pulleys and belts.

If you feel a magnetic 'pull' on the screwdriver from the alternator body at the center of the back cover, it is a good sign that it is actually doing its job, charging that is. But only that.

An alternator "alternates" between powering all things electrical in your car and charging the battery. There is a small, replaceable thing called a "voltage regulator" that when it goes bad, it kinda gives you battery problems. You can buy one and replace it yourself or you can have someone do the dirty stuff.

In any case, a good, professional, clean, and thorough checkup is always the best option.

Hope it helps.

Jun 11, 2014 | 1990 Chrysler New Yorker

2 Answers

Is replacing an alternator belt the same as replacing the alternator

Well the alternator is driven by a belt. You should be able to look at the alternator and tell if it has been replaced by how clean it is.

Apr 24, 2013 | Cars & Trucks

1 Answer

2005 honda accord ex battery light is on?

Well the battery light is telling the driver the alternator is not charging the battery.
So the battery and alternator would need to be tested.
The noise could be the alternator ?

Feb 25, 2013 | 2005 Honda Accord

1 Answer

If alternator is bad what kind isu i have to my

Your alternator is likely to blame if anything electrical slows or lights dim while you are driving.
If your battery frequently discharges, your alternator likely needs to be replaced.
If your alternator light comes on or flickers when you start your car, you should have your vehicle inspected as soon as you can.
If your vehicle does not start, your alternator could be to blame. The problem could also be your battery, so check its charge.
A clanging or rattling sound might be an indicator of something gone wrong with the alternator belt or its other parts.

Before paying money for a new alternator (which I was about to do today), be sure to have the alternator tested. As many people suggest, Auto Zone, and other parts suppliers, will test it for free. You may have bad connections into your alternator...make sure they are secure and free of corrosion. You might also simply need to tighten the alternator belt. A loose belt will also prevent the alternator from charging the battery.

May 15, 2010 | 1999 Toyota Corolla

1 Answer

Motor mount replacement at 93000

Your best bet would be to pick up a Chilton manual from autozone. It will give you step by step instructions on how to do all kinds of things with your vehicle, including the motor mounts.

May 24, 2009 | 2003 Kia Optima

3 Answers

2002 kia sedona van


There has been known issues with the alternator on several year/versions of this car. If memory serves me right, there was a TSB for the alternator either over or undercharging.The TSB (Technical Service Bulletin) specifies replacing the alternator and re-flashing the PCM.(Powertrain Control Mudule).

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards.

Thank you for using FixYa.

Jul 19, 2008 | 2002 Kia Sedona

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