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FS: 2007-2013 Jeep Wrangler "HALO" Angel Eye KitRockridge 4WD IS Taking Zone Offroad Suspension Lift Kits End of Summer Sale, 20% OFF!

Unread 08-22-2013, 06:26 PM   #16
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2004 WJ 
Join Date: Dec 2011
Location: Oakmont, Pa
Posts: 350
Originally Posted by TonyVideo
I still have the original battery in my 08 CRD with 159,345 miles. I have thought about replacing it before winter. I may have it checked first but no issues so far.
Wow 160k on an 08! I thought I had a lot at 101k on my 05

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Unread 08-24-2013, 09:52 PM   #17
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2007 WK 
Join Date: Oct 2011
Location: Liverpool, NY
Posts: 67
My '07 battery (original) died this past spring (6 years). Everything was fine then suddenly wouldn't start, wouldn't even turn over. Jumped it, all was good for 2 weeks, then suddenly wouldn't turn over again. Jumped it and went to sears for a new battery, no problems since.
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Unread 08-25-2013, 08:23 AM   #18
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2007 WK 
Join Date: Apr 2013
Location: , Michigan
Posts: 89
Originally Posted by modernblueWK View Post
I volt tested mine with no load tonight. 12.65 volts. Peace of mind goes a long way with me. 6 months of below freezing temps makes me want to replace it before the snow flys.
Yeah testing with no load is not a very good indicator of your battery life. Batteries will build up a surface charge that will artificially increase the measured voltage. A better method is to turn on a high load like the high beam headlights (with the engine off) for about 30 seconds and then take a voltage reading.
'07 GC CRD QDII, EHM, GDE ECO, DPF & intake rez delete, Paramount Perf Valve Body, Roof drain mod
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Unread 08-25-2013, 08:43 AM   #19
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Join Date: Jan 2010
Location: Gunnison, CO
Posts: 1,903
I will try that.
2008 WK 4.7 245/70-17 Grabber AT2 - Magnflow - JBA - G2 - Steel Armadillo - MLL's
Blue WK club #4
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Unread 08-26-2013, 08:36 AM   #20
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2014 WK 
Join Date: Feb 2008
Location: Oregon
Posts: 688
I just had to replace the OEM battery on my WK after 5 1/2 years and 128,000 miles. I noticed over the last couple of weeks that the starter motor wasn't turning as fast, especially after not being driven for a couple of days. Then one day it would hardly turn over so and the shop said the cold cranking amps were at about 1/2 what they should be.
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