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Started By
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How do I get a rusted, stripped bolt off of a car battery hold down clamp?
Posted on 5/27/15 at 12:48 am
Posted on 5/27/15 at 12:48 am
I'm not talking about the positive and negative terminals, I got those off easily.
This is a plastic piece that slides over the battery near it's base and it has a bolt that goes through it. There's a nut underneath (which I can't get to) and I'm pretty sure both are rusted and falling apart.
I was trying to change the battery in my mom and dad's truck today but I can't get that bolt out for anything. I tried pliers, several different socket set sizes (they just spin, it won't bite on the bolt at all); I'd rather not pay someone to do it. I know I'm just overlooking something simple.
Any suggestions?
Thanks in advance.
This is a plastic piece that slides over the battery near it's base and it has a bolt that goes through it. There's a nut underneath (which I can't get to) and I'm pretty sure both are rusted and falling apart.
I was trying to change the battery in my mom and dad's truck today but I can't get that bolt out for anything. I tried pliers, several different socket set sizes (they just spin, it won't bite on the bolt at all); I'd rather not pay someone to do it. I know I'm just overlooking something simple.
Any suggestions?
Thanks in advance.
This post was edited on 5/27/15 at 12:50 am
6
Posted on 5/27/15 at 12:53 am to la_birdman
Do you have a picture of it?
Posted on 5/27/15 at 12:55 am to blue_morrison
Unfortunately no. It's not the biggest bolt. It took one of the smaller socket sizes originally. It was a hex head but now the points on the hex are pretty corroded off and it's just a small circle. Maybe a little larger than the diameter of an eraser in a wooden pencil.
Posted on 5/27/15 at 12:59 am to la_birdman
Split down both sides with dremel and replace. If you dont have a dremel see if anyone will loan you a nut splitter.
Posted on 5/27/15 at 1:00 am to la_birdman
Cut the plastic piece over the battery and slide the old battery out and then slide the new battrey in. What's left should be plenty to hold the battery. A lot of older cars just have the battery sitting there anyway.
Posted on 5/27/15 at 1:01 am to blue_morrison
I googled it and this is it before it's all rusted and corroded.
This bolt goes through a little plastic piece that "clamps" onto the base of the battery as you tighten the bolt.
This bolt goes through a little plastic piece that "clamps" onto the base of the battery as you tighten the bolt.
Posted on 5/27/15 at 1:13 am to la_birdman
Post a pic
Eta: I figured out what you were talking about. They make these internal extractors that fit over the head. They are reverse cut and will dig into the head when you try to back it out. Make sure you are pushing down on it hard. Soak it with PB Blaster or something similar for a while before and right before you try backing it out
Those things work about half of the time, but it's what I go to first every time
You can probably get the battery out if you fight with it enough. Then, clamp down on it with vise grips and unscrew it
Eta: I figured out what you were talking about. They make these internal extractors that fit over the head. They are reverse cut and will dig into the head when you try to back it out. Make sure you are pushing down on it hard. Soak it with PB Blaster or something similar for a while before and right before you try backing it out
Those things work about half of the time, but it's what I go to first every time
You can probably get the battery out if you fight with it enough. Then, clamp down on it with vise grips and unscrew it
This post was edited on 5/27/15 at 1:21 am
Posted on 5/27/15 at 1:16 am to Hammertime
It's right above your post. Only that's how it looks before. Now the head of the bolt is all rounded and I can't get any socket set sizes to grab ahold of it.
Posted on 5/27/15 at 1:16 am to la_birdman
Reach down and snatch really hard on that battery and it will come out, deal with the bolt after it has slack. Just cut the coroded head off and replace.
Posted on 5/27/15 at 1:16 am to la_birdman
I've found that if you can somehow ply it loose a little bit, you apply a little Vaseline to it and frick it.
Posted on 5/27/15 at 1:17 am to la_birdman
Didn't see that. Edited my post
Posted on 5/27/15 at 2:27 am to la_birdman
Yeah, take a drill and cut the head of that bolt off. Tie new battery down with a short tarp strap.
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