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Replacing Battery in a C4

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Old Dec 9, 2007 | 11:17 PM
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Default Replacing Battery in a C4

I know it's probably easier to change the battery by removing the side panel on my '95, but can someone give me a little more detail on whats involved in doing so....also any recommendations on a battery...I personally like Interstate but am also partial to the Optima.

Thanks for any input

Ron
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Old Dec 9, 2007 | 11:27 PM
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I don't understand what you mean. there are some hex screws and a couple of bolts holding on the side panel, you just have to unscrew those.

Optima is usually the battery of choice here.
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Old Dec 9, 2007 | 11:33 PM
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Default Battery Change

Thanks, I haven't even taken a look at the side panel yet.

Yes, Optima Red top will be my choice as well.

Ron
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Old Dec 10, 2007 | 12:48 AM
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There's a bolt at the bottom-right corner of the panel. It's a pain to unscrew, you'll need a thin wrench to get to it. The bolts are 13 mm if my memory is correct.
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Old Dec 10, 2007 | 12:53 AM
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Try this link: http://www.corvettemagazine.com/2001...ttery/bat1.asp
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Old Dec 10, 2007 | 01:13 AM
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I don't have an Optima, but a similar type. Watch the dimensions, I had to modify my battery tray for the battery to fit.
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Old Dec 10, 2007 | 09:25 AM
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Originally Posted by cobralee
I know it's probably easier to change the battery by removing the side panel on my '95, but can someone give me a little more detail on whats involved in doing so....also any recommendations on a battery...I personally like Interstate but am also partial to the Optima.

Thanks for any input

Ron
Ron, have a '91 but you don't need to remove the panel. Haven't done this for a while so instructions may not be exact, but this I know for sure the bottom bolt can be reached between the panel and rocker panel. DO NOT remove this bolt just loosen it as the panel is slotted and will swing out. Based on the ability for panel to swing out don't believe you need to remove all top bolts. Maybe loosen and leave one in so you can swing out the panel. Just be careful after replacing when opening/closing the door to ensure the panel is positioned properly. Hope this helps and before you start search this forum for this procedure as there is more infomration out there, for sure.

SAVE THE WAVE
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Old Dec 10, 2007 | 10:40 AM
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don't remove the bottom one...just loosen it. I'm not an optima fan.....give me a Sears Diehard anyday. And I recently read an article that stated there were only 3 actuall battery manufactures in the US..and they just build to specs. the company requests..number of plates etc.
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Old Dec 10, 2007 | 05:15 PM
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No big deal, take off the side cover, what, three bolts? Then put in a maintenance free version (no water).
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Old Dec 10, 2007 | 05:31 PM
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Old Dec 10, 2007 | 06:41 PM
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Default Battery Change

Thanks for the tips and data. Much appreciated.

Ron
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Old Dec 10, 2007 | 07:08 PM
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Originally Posted by cobralee
Thanks for the tips and data. Much appreciated.

Ron

Be careful to get the panel properly aligned on replacement otherwise it can catch the door and .
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Old Dec 10, 2007 | 07:39 PM
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Like Mojo said, you may have to modify your battery tray. Some others here (including myself) have just filed down or cut off the positive terminal from the top of the battery. Probably better to modify the tray, but both methods will work.
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Old Dec 11, 2007 | 03:10 PM
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Originally Posted by 300HPisnotenough
There's a bolt at the bottom-right corner of the panel. It's a pain to unscrew, you'll need a thin wrench to get to it. The bolts are 13 mm if my memory is correct.
I took one of my old 13mm and put it on the grinder and ground it as flat as possible. works great and don't have worry about scratching rocker panel. change battery 10 minutes
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Old Dec 11, 2007 | 04:28 PM
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Others have mentioned the need to watch the adjustment of the side panel, relative to the door, when you reassemble everything, in order to prevent contact between the door and panel.

What hasn't been mentioned is that you also need to watch the adjustment of the side panel relative to the hood, or the hood may collide with the panel when you close the hood. If they collide, the side panel will break near the tab for the upper rear bolt. My '94 was broken in exactly this place when I bought the car, and it was some time before it occurred to me what had caused this damage.

Best bet: Mark the existing locations of the mounting screws (masking tape will work fine) before you loosen anything, and put everything back in the same place when you reassemble.

Live well,

SJW
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Old Dec 11, 2007 | 07:57 PM
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Originally Posted by rick lambert
don't remove the bottom one...just loosen it. I'm not an optima fan.....give me a Sears Diehard anyday. And I recently read an article that stated there were only 3 actuall battery manufactures in the US..and they just build to specs. the company requests..number of plates etc.
Ive' heard that too.

Originally Posted by 300HPisnotenough
Like Mojo said, you may have to modify your battery tray. Some others here (including myself) have just filed down or cut off the positive terminal from the top of the battery. Probably better to modify the tray, but both methods will work.
I cut off my top post to avoid hitting the bracket for the PCM.
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