Question about 2006 Ford Focus

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My battery light has suddenly come on and the alternator has started to make a noise do i require a new one or is there something else i should be looking at.this is on a ford focus st year 2006.

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  • Contributor
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My ST alternator took some time to completely fail. During the decline, I saw all kinds of random electrical issues. My advice-go ahead and replace the alternator unless you don't mind needing to tow the car (or you travel really short distances). At some point, you'll find every electrical system completely shut down (one of your computers will funnel all available battery energy to the engine and fuel pump). From that point you've got a very short distance till the battery is exhausted. This doesn't mean the battery is toast!

Having the system tested is of little value. My car-the "BATT" light was ON when it was tested, and I was told it needed a new battery. Indeed, until the very end, the voltage provided by my alt was about 14.4VDC-even with the light on.

Replace the alternator now or do it later after a tow.

Posted on Jul 30, 2010

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  • Ford Master
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Most auto parts stores will test an alternator for free, or use a good garage or mechanic. Sounds like it's going bad.

Posted on Jul 29, 2010

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