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Posted by SuspicionVandit on Aug-06-2008 16:51:

disconnecting car battery

Ever since Guantanamo Bay, I've been dead afraid to touch my car battery.
I'm changing the oil right now and I want to clean out the acid from the car battery, but I'm a bit weary of it. Are there any Do's and Don'ts (i'm mainly asking for Don'ts)?

Posted by Orbital32 on Aug-06-2008 16:58:

don't pee on it. Not that it will hurt it.

On second thought, go ahead and pee on the battery.

Posted by XaNaX on Aug-06-2008 16:58:

disconnect the negative first, then the positive. when you reconnect do it the opposite way. If its corroded clean the terminals with baking soda and water.

Posted by Acton on Aug-06-2008 16:58:

Re: disconnecting car battery

quote:
Originally posted by SuspicionVandit
Ever since Guantanamo Bay, I've been dead afraid to touch my car battery.

You were tortured in Guantanamo Bay? Aces.

*spell checked, its been a long day lol

Posted by itsamemario on Aug-06-2008 17:02:

wtf does torchered mean?

Posted by XaNaX on Aug-06-2008 17:08:

quote:
Originally posted by dj_alfi
wtf does torchered mean?

I think its like waterboarding but they use a blowtorch instead

Posted by Dr. DAS on Aug-06-2008 17:18:

Always handle the negative first.

That is, the negative line comes off first, and goes on first.

Also, clean the terminals and leads of corrosion and apply a generous coating of vaseline to the connections to prevent further corrosion.

If you aren't sure how to remove the battery, are you sure you want to be opening up the cell?

Posted by THE_Chris on Aug-06-2008 17:25:

All good, just have the new battery ready and dont leave the car without a connected battery for too long.

Posted by itsamemario on Aug-06-2008 17:57:

just yank the.. the.. yank the thang!

Posted by Superstring on Aug-06-2008 18:52:

Is there a reason why you want to handle the negative first?

EDIT.

N/M: http://7faq.com/owbase/ow.asp?GoodEngineeringPractice%2FBatteries%2FDisconnectingTheBattery

However, if you're even in the least careful, it doesn't matter which cable you disconnect first.

Posted by Axer on Aug-06-2008 19:08:

Make sure you don't touch positive and negative leads at the same time.

Posted by colonelcrisp on Aug-06-2008 23:52:

quote:
Originally posted by Axer
Make sure you don't touch positive and negative leads at the same time.

it wont do anything. it only has 14 volts of potential. not nearly enough to draw a current through your body.

also when you remove the battery, dont put it on bare concrete/asphalt/ground. put it on some pieces of 2x4 or rubber. there is a ground plate at the bottom of the batter, and im not entirely sure how it works (an electrical engineer once explained it to me) but the battery will short itself out if you put it directly on the ground. It will actually kill your battery within an hour.

Posted by Omega_Blue on Aug-06-2008 23:59:

it really shouldn't matter a whole lot which one you take off first but just make sure you don't do something retarded like touch the positive and negative leads together with your adjustable wrench or something

Posted by Boomer187 on Aug-07-2008 00:27:

car batteries are weak. Don't worry about it.

It's when you are washing and vacuuming your car that you have to watch out not to soak the power cord for the vacuum in watter