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Need help with car battery


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#1 daytime dave OFFLINE  

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Posted December 27, 2010 - 08:01 AM

I haven't replaced a battery in my vehicle in many years. I'm planning to keep my Trailblazer and need a new battery. Looking on line, I find many easy to use websites that list replacement batteries. I have looked at three places so far. They all say battery encased in a cooling box and it has a snorkel to the outside of the engine compartment.

Do I need this? Can't I just get a regular battery?

#2 MH81 ONLINE  

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Posted December 27, 2010 - 08:12 AM

Is that because of some people going "off Roading " & crossing deep water?
Or is it because of Hydrogen Gas buildups being a problem?
Or because or proximity to engine heat. (may have been a recall)?
What's in there now?

As long as it's not a safety issue, I don't see a reason you can't have a reg. battery...
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#3 Reverend Blair OFFLINE  

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Posted December 27, 2010 - 09:58 AM

Does the original have a cooling box and snorkel? If not, I'd tend to just go with the biggest battery that will fit in the space.
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#4 tweidman OFFLINE  

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Posted December 27, 2010 - 10:11 AM

They all say battery encased in a cooling box and it has a snorkel to the outside of the engine compartment.

Do I need this? Can't I just get a regular battery?


On my cars and trucks, the battery sits in a case with a snorkel. The battery itself is nothing special. The fresh air intake on the battery case in suposed to reduce corrosion. As far I can tell it works.
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#5 DougT ONLINE  

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Posted December 27, 2010 - 10:14 AM

The manufacturers are using insulated battery wraps to try and help stabilize the battery temps. Chrysler (and maybe others) even use a battery temp sensor and use that input to the computer when controlling the charge rate. I sell Interstate batteries here at the shop and have good luck with them. Some of the batteries mounted undr the seat have air tubes to take the smell out of the passenger compartment but a Trailblazer shouldn't have that problem.
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#6 daytime dave OFFLINE  

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Posted December 28, 2010 - 05:35 PM

I want to thank all who responded.
Boy, do I know more about car batteries, at least up to 2005 models.
Turns out what I thought was just a battery box to hold that battery in was a snorkelized set up that I never knew I had. Had the vehicle for five years and never noticed the snorkel. It does require a battery of the same size.
Napa was closest and best deal. After about 20 or so minutes, the new battery was all comfortable, snug in the box, getting outside air via the snorkel. By the way, disconnecting and reconnecting the snorkel was the easiest step in this process. Needed three different sized sockets of sae and metric. At least I was still able to do it myself.

#7 Reverend Blair OFFLINE  

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Posted December 28, 2010 - 09:32 PM

Needed three different sized sockets of sae and metric.


I hate that. Why can't they make them all the same size? Why can't they at least pick one system, I don't care which, and stick with it?

#8 Rednecklawnmower OFFLINE  

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Posted December 29, 2010 - 12:18 AM

git a batt from advance auto parts store. I bought one from them and never had a problem with them




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