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BROKEN BOLT EXTRACTOR CALIPER BRACKET BOOLT HOW TO

Generally one to two feet long, breaker bars give you length and the length gives you leverage. Using it with wrench-style sockets, you can pull up or bear down on the handle to create a great deal of torque. A breaker bar is a long wrench-like bar that doesn’t ratchet. Once you’ve found the bolts, it’s really handy to have a breaker bar. Here’s a wonderfully clear two-minute video about torque wrenches, if you want or need to learn more, by the YouTube mechanic Chris Fix…

BROKEN BOLT EXTRACTOR CALIPER BRACKET BOOLT HOW TO

If you’re wondering how to measure torque, a good way is to use a torque wrench. Some people say “foot pounds” instead of “pound feet,” which is both close and understandable, but technically not correct.) (There are other ways, such as newton meters, that I won’t go into here.

A heavy-duty drill can create up to about 45 pound feet of torque - “pound feet” being a way torque is measured. To put that number in perspective, the average person can, according to NASA, apply about 15 pound feet with a bare hand. AutoZone, for example, recommends 113 pound feet of torque. Now a word about torque, the twisting force that tightens a bolt.īecause caliper bolts MUST stay on, they need a LOT of torque. They’re often called “caliper bracket bolts” because they attach to the part of your caliper called the bracket, and hold it tight to the spindle or steering knuckle. What we are talking about are what you see above - the bolts which hold calipers onto your car or truck.

Nor are we talking about bleeder valves, bleed screws, banjo bolts or anything that holds on brake lines or lets you bleed the brakes.

(These bolts get stuck too, but that’s another problem.)

We’re not talking about caliper pin bolts, or lock bolts, which hold guide pins in place on a floating caliper.

(This is strictly a disc brake conversation.)

We’re not talking about bolts on drum brakes.

What Caliper Mounting Bolts Are and Aren’t…įirst, a word about what we’re not talking about… And it’s not just calipers and rotors and pads, but the nuts and bolts - the hardware holding things in place. Your brakes are a system that is put under enormous pressure and over months and years. It was my introduction to “caliper mounting bolt stuck.”įor this reason - stuck caliper bolts - Carlson recommends replacing them anytime you replace your calipers. That led to me trying to remove my calipers and, eventually, heading to see Dave, the mechanic at the Sunoco station a block away. And when I looked, I saw fluid at the base of my right front wheel. I wasn’t sure, but in the turmoil, I thought I’d heard them squeak. But the next day I decided to look at my brakes.

He ran around the front of my car yelling and slammed his hands down on my hood.Īs it turned out, his dog (and my hood) were fine. I looked and saw a large man running towards me from his driveway. I hit the brakes and, a moment later, heard a scream to my right. Here’s a link to the Carlson sales support page, if you need to order new bolts.Ī few years ago, I was driving down a neighborhood street near my home, when a dog darted in front of my car. Stuck or frozen caliper bolts are one of the problems that come from reusing old parts during a brake job. Which means having a stuck caliper bolt is something bugging lots of people. People googled those phrases, and similar ones, over 10,000 times last year. “Brake caliper bolt stuck” and “caliper mounting bolt stuck” aren’t phrases people say, but thanks to Google they’re likely why you’re reading this.