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Battery life in the 6.7 ?

 
  #1  
Old 04-04-2018, 08:51 AM
pacnorwest
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Battery life in the 6.7 ?

Have you replaced the batteries in your 6.7 yet?
Did you wait until the old ones died?

Reason I ask is that my truck & batteries were 3.5 years old and I got uncomfortable about getting stranded with dead batteries.
(I happened to get stranded in my Jeep with it's factory battery - approximately 4 years old on Easter day. I didn't like that a bit.)
So I replaced both batteries in my 2015 Super Duty (took delivery in Aug 2014).

Just wondering what the factory battery life expectancy might be?
 
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Old 04-04-2018, 08:56 AM
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Mine are March of 2012.
Original. Still test good.
 
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Old 04-04-2018, 09:53 AM
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Mine quit very abruptly after a cold front passed through early one morning after 50 months, and temps were in the low teens. I suspect that had I waited a few days, the truck would have started fine once it had warmed up.
 
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Old 04-04-2018, 11:54 AM
Rod Bensken
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Got 4 years out of them. One went bad, replaced both.
 
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Old 04-04-2018, 01:38 PM
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my experience with Ford batteries is about 36 months. But if that 36 monthsi during the summer, I usually can get a few more months So I'll say 36-48 months
But in that time frame , I'm at 90,000 to 120,000 miles So they have been used a lot
 
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Old 04-04-2018, 01:58 PM
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I was at 90k as well.
 
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Old 04-04-2018, 03:17 PM
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The passenger side battery went out at 59k miles and the 2 year mark. When it went, it also took the connector with it (corrosion) so I had to replace that too. I only replaced the one battery, not both. The driver side is still good today at 3yr and 73k miles
 
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Old 04-04-2018, 09:59 PM
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I had a 1993 F-150 and the original Motorcraft battery lasted 7 years! So far, I haven't had to replace the batteries in my 2015 6.7. However, when the time comes, don't you have to replace both?
 
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Old 04-04-2018, 10:17 PM
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Yes, you should replace both
 
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Old 04-05-2018, 06:01 AM
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2012 f350 dump truck, 48k miles. this last winter on real cold days it would not start, even after plugging in. tried to get the winter out of it but if i used my dump body while the truck was off it would drain the batteries. i could tell the last 6 months or maybe even a little more it didnt start as fast as it used to.
 
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Old 04-05-2018, 08:51 AM
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Still have my original batteries. Thinking this may the year they get replaced.

Rob
 
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Old 04-05-2018, 09:35 AM
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Over 7 years and still good.
 
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Old 04-05-2018, 12:20 PM
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I'm a few months into my third set on a May 2010 build. The OEM leaking Motorcraft's failed within a week at 30 months of use. Set #2 of DieHard AGM platinum's took about ten months to become useless at just under four years of use.
 
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Old 04-05-2018, 06:03 PM
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My 2013 had issues starting in the Spring of 2015, but it would remote start fine. Ford replaced the passenger side battery under warranty and I cleaned the terminals on that side at the same time. December 2017 I had problems remote starting, but could always turn it over with the key so I replaced both batteries out of pocket with the Motorcraft 850CCA batteries I got on sale for $99 CAD, instead of the originally equipped 750CCA batteries. Currently at 98K kms.
 
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Old 04-06-2018, 09:11 AM
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I hope I don't jinx myself but my 2012 SD has the original batteries. I keep them clean and corrosion free. I have been thinking about replacing them with Sam's Duracell AGM batteries. I can get the Motorcraft batteries for the same price but I believe the AGMs are a little better.
 

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