6.0L Power Stroke Engine and DrivetrainDiscussion of the 6.0L Power Stroke diesel engine and drivetrain in the 2003-Up Super Duties and Excursions. No gas engine discussion allowed except on transmissions and drivetrain that pertain to all models. Please confine discussion of topics in this forum to those items that are specific to the 6.0L Power Stroke engine.
One or both of mine went out at 43K miles and I replaced them. Does that seem about normal? Just wondering...
It depends on where you are located and what you do with your truck. If you live in an area that see 100 degrees quite often then there is a shorter life span for them along with an area that sees -40 for a while over winter. That along with playing the stereo or running the winch or voltage inverter or using the truck as a grocery getter with short trips will also shorten their life span. On my 96 I changed them out at 11 years but could of gotten another couple of years out out them.
It also depends on when you consider your battery to be "bad"
A battery will start degrading almost immediately. How fast they deteriorate is a function of many things, such as the temperature, how deeply they are discharged, the number of charge/discharge cycles, etc.
It also depends on the quality and/or construction of the battery. Batteries built with thicker plates won't provide as much energy (cranking time) but they will survive a lot more charge/discharge cycles. They will also be more mechanically rugged and not damaged by vibration or rough use.
Typically a battery has much more capacity than you need so you don't notice that the battery is degrading. If nothing unusual happens the degradation continues until one day it just fails to start.
Usually, however, something unusual happens. It gets really cold. Or my favorite: I leave the lights on! Drawing a battery all the way down is hard on them. If the battery was already near the end of its service life it may not recover from a deep discharge.
I would expect three years of service life. Four is doing good. Five is on borrowed time. If I lived where it got below freezing I wouldn't rely on a 5 year old battery.
I replaced my batteries after 4 years 8 months 103,000 miles. They were still OK but I didn't want to find out hgow long they would last. My wifes Focus battery lasted 7 years.
I am gonna hijack this thread to see what make of batteries everyone is using to replace stock. I am just over 5 years 51k and I am going change them soon definitely before winter.
Thanks,
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2004/04 F350 Lariat CC LB 4X4 SRW, Dark Toreador/Arizona Beige, 6.0L/Torqshift, 3.73LS, Heated seats, Clearance Lights, TT mirrors, Captian Chairs, Moonroof, ESOF, 12K Receiver
4" MBRP T-409 Cat Back
BlackMax Tonneau
Prodigy Brake Controller
2007 Prowler 3102 BHDS
2000 TERRY EX 27F (Sold)
2001 F250 SC 4X4 5.4L (Sold for '04) My Pictures.
If you have a good local battery shop, stop in and have them test your batteries. A good shop will be able to tell you the "health" of your batteries. It's no guarantee that one wont crap out on you the next day, but highly unlikely if they perform under load.
Also remember that constantly leaving cell phones, GPS and other accessories plugged in after engine shut down beats on your batteries.
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2006 F-250 XLT FX4 PSD 6.0, Born in Kentucky 10/05. 4X4 Crew, auto, 3.73, Tow Command, Dark Slate Gray, Oil Guard bypass filtration system and Cyclops no-Start.
*2012 BOSS 302, Blaze Yellow
*1993 F250 4X4, 5.6L farm truck
*2008 Polaris Sportsman 500 HO X2
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