Question about Mercury Milan

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2010 Milan will not start after sitting for over about 3 hours.

The battery is less than a year old. Two differnt auto parts stores tested the battery, starter, and alternator and they both said they tested good. Once you jump it off the car runs fine and will crank right back up. After sitting for over about 3 hours it does not crank. All the lights will come on but no start. Then is will at times give you a "check brake system" light.

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  • 946 Answers

This car MIGHT still be under warranty? Have you noticed if the brake lights are stuck on all the time? This sometimes happens when the switch on the pedal sticks or pops out of place.
Something might be draining the battery. A power seat switch can do it.
I'd take it to Ford and ask them if it's under warranty or service bulletin.They might fix it for free and at least they can tell you what's wrong. don-ohio (:^)

Posted on Jan 21, 2013


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Posted on Jan 02, 2017

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SOURCE: 1997 Satrun SL 2 alternator failures

Miserable engineering.

My '95 SL2 purchased new, ate 6 (SIX) alternators, that fantastic "27 patents" automatic transmission, two sets of front disks and finally dropped a rod cap at 56,700 miles of very civilized driving.

I 'sold' it to my youngest son for $1 as a hobby when he got bored with his Jeeps or to donate it to a fund-raising bashing contest.

Now, the reason the alternators die -

They are buried in the engine compartment and get hardly any natural cooling there and, I don't know what kind of stupid engineers GM employs these days, but that alternator at 105 amps rating must deliver up to 1200 watts of 12 volt power an d it is too small to effectively dissipate the 1200 watts of sheer heat it produces while doing it.

If you have any appliance that absorbs 1200 watts (10 amps at 120 VAC), just check to see how much heat that is and even if spread over a larger area and bulk of the alternator, you think that would be a good environment for the semiconductors that are used to make the DC and regulate it.

It's a absolutely insane design and convinced me to never, EVER buy another anything from GM!

Sorry to vent but it still irks me after over 4 years of trouble-free Subaru ownership.
I wish you luck.

Posted on Aug 07, 2008

  • 176 Answers

SOURCE: 91 Buick Century 2.5 L brake light on & battery light on

For the Brake light to stay on and the fluid is up...sounds like your sensor is playing dead......

For the battery to die after only (4) have a very big drain on the battery itself.....without the vehicle right here to look at would be very hard to even guess...electrical problems are a hands on chore...

I'd take it to your garage/mechainc

Posted on Jan 03, 2009

  • 1 Answer

SOURCE: 2002 Kia Sedona new battery & alternator car dies while driving

hey buddy the same that happeanto me, its your alternator dont make any one give you the run a around alternator for sure. i got my alternator from gb500 it cost about $160.00 after tax.

Posted on May 20, 2009

  • 534 Answers

SOURCE: car randomly does not start, battery tests fine, alternator good

Check operation of auto transmission neutral switch; if that is not faulty check 'Start' output from Ignition sw (or start slave relay) is OK;
If all above OK check for faulty starter motor operation.

Posted on Jun 26, 2009

  • 435 Answers

SOURCE: my battery light is on

Sounds like your voltage regulator is acting up, and at times will not let alternator voltage reach the circuit. At this point car stars drawing on battery alone (triggering battery light) and working until it is out of juice. Before you buy a new voltage regulator, make sure that its contact points on the alternator, and the plug from it to the vehicle circuit is clean, shiny and making good contact. These parts, due to their location tend to collect dirt and moisture, leading to an intermittent performance before they stop working completely.

Posted on Oct 02, 2010

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remove battery and have it tested a your local auto parts store. Most auto parts stores like autozone or advance auto will test it for free. batterys will loose charge if they are old and have been sitting around for a period of time. If you have battery charger, set it up and put a low charge on it for 20 mins to a half hour. then try to start it again. If the battery is in good shape, check the cables to starter and ground. If that doesn't help you might have to remove the starter and have it tested.

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After driving the car and turning off ignition, the car sometimes will refuse to start. I need to recharge the battery. When the battery is checked it is good. this has happened twice since June 19,1010

Assuming you don't have loose or dirty connections to the battery, then it is most likely your starter. Some auto parts stores can test it on the car. I had the same problem a few years ago, it would start fine when cold but if it sat less than about an hour, it would act like a dead battery, but would jumpstart fine. I had replaced the starter only about a year before, so I was sure it was OK. Ended up replacing both battery and alternator before finally replacing the starter.
When the starter is hot, it is not as strong.

If it won't start after sitting for a day or two, sometimes it is a trunk or dome light that stays on and drains the battery, but that is not your problem.

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My Milan has had problems starting. I changed

Was the new battery charged? If the new battery worked for a few days it is possible the alternator is bad and it is not charging the new battery. Start the vehicle and measure the voltage at the battery, it should be somewhere between 14 and 14.5 volts with the engine running. If less than 12.5 volts I would suspect the alternator and remove it and have it tested at a local parts store, This is usually a free service. Also could be a wiring problem or dirty battery cables.

A 2007 Milan might be still under warranty if it has less than 36,000 miles on it. If under 36,000 miles take it to the dealer for possible warranty repair.

Hope this helps.



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