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tonita

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Sep 5, 2020, 10:38:12 AM9/5/20
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When you replace the alternator on a 2003 Hyundai Elantra, do you also have to replace the regulator?

When I brought my 2013 to the dealer for a recall item, I asked about the seizing engine issue on this model. They had put a warning sensor in it previously and the guy told me that now my engine was warrantied for life? What does that mean exactly.

Paul in Houston TX

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Sep 5, 2020, 3:05:53 PM9/5/20
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tonita wrote:
> When you replace the alternator on a 2003 Hyundai Elantra, do you also have to replace the regulator?
>
> When I brought my 2013 to the dealer for a recall item, I asked about the seizing engine issue on this model. They had put a warning sensor in it previously and the guy told me that now my engine was warrantied for life? What does that mean exactly.

Most consumer alternators for about the last 40 years have had built in
regulators. My 06 has the regulator built in.

Warranty... there is no telling what they mean by "life".
Your life? Car's life? Sensor's life? Engine's life?
You will need to get it in writing and read and understand the fine print.

Flop

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Sep 5, 2020, 3:55:08 PM9/5/20
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As an example of the problems in interpreting "Life"...

Bought a saucepan with a 'lifetime' guarantee. It broke.

Took it back to the retailer to claim a replacement.

"But the guarantee is for the products lifetime. It is now dead. Sorry".


--

Flop

Truly the Good Lord gave us computers that we might learn patience

tonita

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Sep 30, 2020, 5:44:21 PM9/30/20
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So on the 2003 alternator, it was replaced and it ran for a bit and then died again. Battery is fine. What can it be?/

Paul in Houston TX

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Sep 30, 2020, 9:16:59 PM9/30/20
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What was the voltage at the battery terminals at about 1000 rpm with the
new alternator?
What is the voltage at the terminals when the car is turned off?
What is the amp drain when the car is off?

tonita

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Oct 1, 2020, 7:59:49 AM10/1/20
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It will take a little time to get those answers. I gave the car to my sister in another state and her son has the car in another location. She's had it for over a year and only got to drive it a very short period of time due to this issue. I did replace the battery a couple of years before this happened. It started when the power steering belt broke not soon after I replaced THAT. She was told it was the alternator and replaced that and was able to drive it for about a month (just errand driving) and it quit again. Got another alternator and it happened again. I will try to get those answers though.
What are you thinking here?

Paul in Houston TX

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Oct 1, 2020, 4:56:26 PM10/1/20
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Car Lead-Lead acid batteries are considered fully charged around 13.2
volts. The charging circuit should supply at least 13.2. 14.4 would be
even better. Put your volt meter across the terminals with car off.
If charged is should read at least 12v to 13.2v. Less than 12v means
something is wrong... bad battery or bad charging circuit.
Start the car, turn off all accessories, run at 1000 rpm and the reading
should be around 14.2 plus/minus 0.2v.
Next, disconnect the negative terminal, car off, doors shut, etc.
Measure the amp draw between the neg battery terminal and the neg wire.
It should be less than about 0.7 amps. Anything much over that and it
could mean trunk light on, key not turning fully off, etc.

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