Cold start concerns
More Turbo
Joined: Oct 2023
Posts: 700
Likes: 478
There is just no benefit to spending more money on a maintenance free battery when over the years ive had very little issue with leaking lead acid batteries and I pre trip my trucks and equipment before each use anyway to spot issues like that before they run away. I do see the AGM benefit for those who don't perform their own maintenance or open the hood between oil changes.
Fleet Mechanic
Joined: Dec 2012
Posts: 1,568
Likes: 539
From: DFW
There is just no benefit to spending more money on a maintenance free battery when over the years ive had very little issue with leaking lead acid batteries and I pre trip my trucks and equipment before each use anyway to spot issues like that before they run away. I do see the AGM benefit for those who don't perform their own maintenance or open the hood between oil changes.
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Lead Driver
Joined: Feb 2022
Posts: 7,995
Likes: 4,061
AGM packs more plates for higher capacity over FLA batteries. They have a higher capacity and "should" last longer. Key word is "should" because they used to, but so many batteries made today are crap. I had a pair of Red Top Optimas, from way back when they first hit the shelves and I had let them drain to practically nothing but was able to restore them and they lasted another year until I got rid of the truck. Who knows what they are doing to batteries that they drop cells instead of just wearing down.
I made note of the replacement battery and will see how long it lasts, hopefully longer than the few months I owned this truck. They also ran the TSB on my compressor and it checked out. Hopefully it remains intact.
I made note of the replacement battery and will see how long it lasts, hopefully longer than the few months I owned this truck. They also ran the TSB on my compressor and it checked out. Hopefully it remains intact.
More Turbo
Joined: Oct 2023
Posts: 700
Likes: 478
Is it true the 2023+ diesels are fitted with AGM from the factory?
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Lead Driver
Joined: Feb 2022
Posts: 7,995
Likes: 4,061
Were your terminals split at the case or just leaking out the fill covers? Ive seen split terminals really leak a lot but otherwise the fluid level in the battery would have to be overfilled to leak that much out the fill covers. Almost all my fill covers have a slight weep around them but like I said im in there almost daily inspecting so I wipe the case around the covers every few weeks.
Is it true the 2023+ diesels are fitted with AGM from the factory?
Is it true the 2023+ diesels are fitted with AGM from the factory?
More Turbo
Joined: Oct 2023
Posts: 700
Likes: 478
For sure there will always be a little weeping from the forces of normal driving sloshing the fluid around. Having a severe enough leak to corrode anything on top of the battery though is not normal and either an overfilled battery or crack in the case somewhere.
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Fleet Mechanic
Joined: Dec 2012
Posts: 1,568
Likes: 539
From: DFW
Yep - same here. The 2017 weeped around the covers. And my '23 came with dual AGM's.
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