batteries
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Senior User
Joined: Jan 2012
Posts: 142
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From: Richmond MI
batteries
Looks like I'm in early stages of replacing batteries in my 2008 6.4. Not starting as easy and get a "check brakes" notice on dash for an instant or two.
What's the best batteries to get? Dealer or Autozone, etc?
What's the best batteries to get? Dealer or Autozone, etc?
Senior User
Joined: Dec 2004
Posts: 143
Likes: 0
From: Kenner, Louisiana
Anybody do better than 3 tears on Ford Batteries?
This is my second powerstroke. My Dad has one and Brother-in-law on his 4th. All needed both batteries around the 3 year mark.
I just went with Autozone. Theyre Exide I think. Theres no Interstate dealers near me anymore.
This is my second powerstroke. My Dad has one and Brother-in-law on his 4th. All needed both batteries around the 3 year mark.
I just went with Autozone. Theyre Exide I think. Theres no Interstate dealers near me anymore.
Postmaster
Joined: Nov 2006
Posts: 4,517
Likes: 3
From: SE Wyoming
I've had good luck with motorcraft in everything but the 6.4L. Bought the '08 when it was just over 3 years old 72K miles and it had new interstates, they lasted about 3 and 40K before getting the brake warning a few months back. I went with NAPA 84 month this time.
Posting Guru
Joined: Sep 2010
Posts: 2,213
Likes: 1
From: The Woodlands, TX
I replaced mine with Motorcraft last year.... Just had a rough start yesterday AM with the "Check Brake System" message as well. Batteries aren't even a year old.
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Senior User
Joined: Jun 2012
Posts: 370
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From: Central Colorado
I replaced mine with the Duralast Platinum which is an AGM type battery. They are made by Johnson Controls. Finishing up the second winter with them and they have been very reliable.
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Tuned
Joined: Jul 2007
Posts: 413
Likes: 1
From: Tennessee
My batteries went out at around 47000 and I went with Optima's. Have been extremely happy with them and would never put back in a battery that had failed so miserably to begin with. The primary battery on the left side is usually the one that goes first, and oddly, it's the one that comes without the insulating blanket. I made my own blanket for the left side when I put in the Optima's and I must say I have been very pleased.
Postmaster
Joined: Nov 2006
Posts: 4,517
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From: SE Wyoming
Good chance it has a 12 month replacement warranty.
Senior User
Joined: Apr 2009
Posts: 155
Likes: 0
From: Houston
I bought motorcraft replacement batteries from o'rilley I believe. The oem were 750 and the replacement ones were 850 if I recall right. Their website shows they have a 3 yr free replacement then 100 month prorated.
http://www.oreillyauto.com/site/c/se...uty&vi=1444005
http://www.oreillyauto.com/site/c/se...uty&vi=1444005
Fleet Mechanic
Joined: Oct 2011
Posts: 1,778
Likes: 286
From: Down SOUTH
OEM Motorcraft 
My stock ones lasted 9yrs in my 96 F350
The Motorcraft replacements lasted 8yrs.
I have them in my 96 & 08 units
Both these trucks sits inside the garage a Lot more than they are driven.
My stock ones lasted 9yrs in my 96 F350
The Motorcraft replacements lasted 8yrs.
I have them in my 96 & 08 units
Both these trucks sits inside the garage a Lot more than they are driven.
Thread Starter
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Senior User
Joined: Jan 2012
Posts: 142
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From: Richmond MI
I was reading a post elsewhere about changing the batteries. It said to change one at a time, so you don't lose the memory of the computer, etc.
True or not? Can I not just take both out, go get two new ones and install them together?
True or not? Can I not just take both out, go get two new ones and install them together?