Question about 1991 Peugeot 405

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Alternator overcharging Hi, i have mazda 6 2006 model, i'm having problem with charging of the car, i had the alternator change about a week ago and within 2 days the alternator went dead not charging at all, i took it back to my electrician and was told the alternator was bad, i bought another one and now its also overcharging up to 17, pls help. adecircle@yahoo.co.uk

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If there are rebuilding it have them check the rotor may be flying open

Posted on Apr 06, 2009

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2 Answers

Charging/electrical problem


charging voltage should be 14.5-16..not 12.5.. thats too low.. get the alternator replaced and your charging issues should disapear..

Feb 08, 2014 | 2004 Pontiac Grand Prix

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Hi, i have a 2003 mazda6. my alternator went bad and i accidentally took off the positive battery pole off the battery. this caused an overcharge in the system which caused 1. all my indicator bulbs to...


my alternator just died on me, I have disconnected the negative battery terminal, took off the right wheel and shrouds, removed the alternator's upper and lower mounting bolts, but there is one on the side of the electrical connection that is hard to reach, is there any suggestions.....I have a 2003 Mazda 6

Mar 03, 2011 | 2006 Mazda 6

1 Answer

Put a new alernater an still over charging


Over charging could be the result of several things including:
    Faulty Voltage Regulator
  1. A car's battery will overcharge if the voltage regulator isn't working correctly. A voltage regulator is usually part of the alternator, and is used to keep a steady flow of voltage to the battery. If the voltage regulator is defective, it will send either too little or too much charge to the battery. If it sends too much, the car battery will overcharge. The voltage regulator is easily replaceable at an easily affordable price, sometimes for as little as twenty dollars, as of 2009.
  2. Faulty Alternator
  3. Sometimes the alternator itself can be at fault. The alternator is the device that converts the mechanical power of the engine into electrical power to charge the battery. When an alternator breaks, it usually stops creating electricity for the battery, which will then eventually die. However, if the wrong alternator is placed in the car, or if the alternator is running at the wrong pace, it will create too much energy for the car battery, causing it to overcharge. The alternator is another easily replaced part.
  4. Incorrect Charger Use
  5. If a battery charger is used to charge your battery outside of your car, improper use of the charger can result in overcharging. If a battery is placed on the charger too long, it can result in overcharging, and a significant decrease in your battery's lifespan and efficiency. This is why it is important to read about your specific battery and understand how long it needs to charge to be effective. Too much charge will lead to problems.
  6. Faulty Battery Chargers
  7. Sometimes chargers can be faulty. Their settings may be wired incorrectly, or the charges labeled incorrectly. As a result, your battery may be getting overcharged, even if you are carefully monitoring your charging. This is a problem that is hard to avoid, as manufacturing mistakes can happen anywhere, anytime without warning. It is a good idea to test your charger regularly to see if it is running correctly.
  8. Heat
  9. Extreme heat in the summer can also have an adverse effect on the car battery. If the battery has been previously overcharged, extreme heat can increase the problems caused by overcharging, and exacerbate any other problems with the battery. This problem can be hard to avoid if you live in a warm climate. The only real way to ensure safety against this problem is to avoid overcharge in the first place.

Feb 27, 2011 | Ford Expedition Cars & Trucks

1 Answer

When I start the car the cooling fan turns on and the charge battery light and airbag light come on. The airbag light flashes and when I rev the car the dash lights go brighter as well as the head lights...


sounds like you might have a overcharging regulator in the alternator,they will overcharge aswell as undercharge,have your charging system checked and if it's putting out more than 13.2 replace.









TIM.........

Oct 22, 2010 | Mazda MX-6 Cars & Trucks

1 Answer

I have a Mazda MPV 2000. Apparently the alternator is bad and the mechanic is going to charge me $581.00. How hard is it to replace. In looking at it, it looks like it may be really hard to get at.


I have a 1996 Mazda Protege. 3 years ago the alternator seized up
and what a job that was! The cost of a rebuilt alternator was a bit
over $200.00. The spaces are so damn tight it took me over 2 hours to get the old one out and 1 and 1/2 hours to get the new one in. And this was working with the car on ramps. I miss the old days when I could change the belt and alternator on 75 Chevy
Impala in 15 or 20 minutes!
George
George-JH @msn.com

Aug 20, 2010 | 2000 Mazda MPV

1 Answer

2001 mazda protege battery overheating - bad smell....., not catalytic converter . 1.6l.


You need to get the alternator output checked. If you can smell something like rotten eggs then what you are smelling is hydrogen gas which is explosive !! Batteries get hot and smell because the alternator is charging at too high a level. Check the output with a multimeter across the battery with the engine running. If it reads higher then 14.4 volts, its the alternator and you need to fix it as overcharging of your battery will cause total failure (if it has not already screwed your battery)..

Dec 19, 2009 | 2001 Mazda Protege

1 Answer

BATTERY OVERCHARGED AND ALTERNATOR IS FINE


If you have a fully charged battery when you installed then 14 volts is way to much charge for the battery which would mean that the alternator probably has a faulty regulator and the alternator needs to be changed otherwise you will continue to install new batteries. If the battery was in an uncharged state then it is possible for the alternator to charge at full capacity to charge up the battery.

Dec 17, 2009 | 2002 Nissan Altima

1 Answer

Replaced loose battery terminal and alternator light is now on


If an alternator overcharges, it will most probably spit out electrolyte from the filler caps or vents when run for a time. It may also become quite hot to touch.
Providing the engine is starting OK, and the charge warning light on the panel is not alight or flashing on and off, what you need to do is have a voltage check done on the battery with the engine running. If the alternator is OK, the voltage should be in the vicinity of 13.5- 14.0 volts (13.8 is the accepted "standard").
Any higher, it could indeed be overcharging.
Turning on the headlights should not materially change this voltage.
If the voltage is only around 12V or even less, turn on the headlights, and observe it again.
A low voltage can mean the alternator is not charging.

Jan 08, 2009 | 2000 Ford Escort

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