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Old 08-16-2011, 06:20 PM   #1
GmG
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Default stripped and broken bolts on rear brakes, what now?

Trying to get the caliper bracket off, I stripped both bolt heads, as well as snapped off one caliper pin in the bracket. How do I get the hub off (I'm guessing it's the hub, right?) to get these bolts out? Is it straightforward disassembly of what I see, or is there something more to it? If all else fails, am I better off drilling these out, or just buying a used/new hub?
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Old 08-16-2011, 08:02 PM   #2
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Default Re: stripped and broken bolts on rear brakes, what now?

I would suggest obtaining a bolt-out kit:

http://shop.advanceautoparts.com/web..._T|GRP2016____

http://www.harborfreight.com/9-piece...ets-67894.html


Once you get the bolts out you should be able to get the pin out. I think you're referring to the rotor when you say hub. You'll should be able to get a new pin at the auto parts store.

What socket were you using to remove the bolts? I recommend only 6 point sockets when working on your saturn. Also, I like craftsman or better quality. HF and auto parts store sockets have thicker walls, don't fit as well, and break.

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Old 08-16-2011, 08:25 PM   #3
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Default Re: stripped and broken bolts on rear brakes, what now?

Thanks for the reply. I didn't have a craftsman 10mm so I used one from the parts store, which split and rounded the bolt head. The part that I'm talking about is what the caliper bracket bolts to, and also is attached to the strut, sway bar, etc.

Edit: I've always had problems getting access to that upper caliper bolt. It usually involves a combination of extensions and adapters to get around the bottom of the strut, which I can't imagine helps things in the not-rounding-off-bolts department. Does anyone have a hot tip for that? Could I grind off the extra material?
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Last edited by GmG; 08-16-2011 at 08:38 PM.
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Old 08-16-2011, 09:15 PM   #4
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Default Re: stripped and broken bolts on rear brakes, what now?

Quote:
Originally Posted by GmG View Post
Edit: I've always had problems getting access to that upper caliper bolt. It usually involves a combination of extensions and adapters to get around the bottom of the strut, which I can't imagine helps things in the not-rounding-off-bolts department. Does anyone have a hot tip for that? Could I grind off the extra material?
I meant to say upper caliper bracket bolt, too late to edit again.
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Old 08-16-2011, 09:31 PM   #5
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Default Re: stripped and broken bolts on rear brakes, what now?

Caliper pins slide in the bracket, the bracket's bolted to the rear knuckle (or whatever the rear wheel equivalent is called).
It might be easier to get the broken bolts out with that removed, but the long bolt through the lateral links & the knuckle has never come out as straight as it should be for me.
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Old 08-17-2011, 11:02 AM   #6
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Default Re: stripped and broken bolts on rear brakes, what now?

I'm not as familiar with the rear discs, but what about a 6 point combination wrench? I use an 18mm combination wrench and a 2 or 3 lb BFH to loosen the caliper bolts on the front brakes.
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Old 08-17-2011, 12:18 PM   #7
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Default Re: stripped and broken bolts on rear brakes, what now?

Torch, heat till red hot and remove. They locite those at the factory.
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Old 08-17-2011, 09:30 PM   #8
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Default Re: stripped and broken bolts on rear brakes, what now?

Thanks for the replies! The Irwin bolt out, with some heat and a 2' cheater pipe worked like a charm, but it didn't give up easy. I was still using the cheater until it was about halfway out. Does anyone have a preferred way to get the bolt out of the caliper bracket by the strut mount? Now I just have to get the seized pin drilled out of the bracket and get some replacement bracket bolts. Maybe it's a longshot, but I might as well soak it with blaster overnight to see if there is any way it will come out. They get $35 for a rear bracket around here, so I'm hoping to save the old one.

These were out a couple years ago, but that's what winter does steel around here The BFH was how I got one of the caliper pins free, but there isn't much you can do when you crack a socket and round off a bolt. I did look it up, and the thing the caliper bracket bolts to is called the 'knuckle,' even in the rear.
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Old 08-17-2011, 11:19 PM   #9
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Default Re: stripped and broken bolts on rear brakes, what now?

Remember when using an easy out (bolt remover drill bit) that its a reverse twist, so put your drill in reverse.
Also use flare nut wrenches on the tough bolts, less chance of stripping.
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Old 08-20-2011, 07:00 PM   #10
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Default Re: stripped and broken bolts on rear brakes, what now?

Well, the easy out failed, so I ended up with a new caliper bracket for 35 bucks. At least the caliper was ok. I had tried a flare wrench on it, but was afraid it was starting to strip. The socket definitely seemed tighter. When I do the other side, I'm just going to use heat right off the bat, so I hopefully don't have to replace all 4 fasteners.
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Old 08-21-2011, 01:53 PM   #11
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Default Re: stripped and broken bolts on rear brakes, what now?

Heat ,"off the bat" will soften the loktite (initially) and soften the steel too (if you continue to 'red' heat).

Suggest use some more loktite when installing (or just put silicone RTV on the threads) ... if roadsalt causes corrosion issues.

"Impact" rated sockets with 6 points pretty much never fail. If you have a local tool jobber the sockets usually cost $8-12 ... and last forever.
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