brake caliper thread stripped

If the bolt is too tight or corroded/rusted to be almost permanently attached, then I can recommend either Liquid Wrench or PB Blaster. They are Bugiad make, which I had never heard of, but the price was very good so I took a gamble on a pair when I did my front end rebuild last year. With that said, I've had two in my passenger side for 75k since the first brake change and have had that caliper on/off probably seven times since. JavaScript is disabled. Should I re-do this cinched PEX connection? How about the thread specs for a helicoil kit? Thank you and have a great Holyday! Put a "prevailing torque" lock nut on the exposed end. Make sure the bore is absolutely clean before you move on. check out the. The how-to did not prepare me for this so I hope someone finds this info useful. The common fix for a stripped thread is to install a thread insert, often called a "helicoil" But that may not be suitable, it requires drilling out some metal, and then adding a larger thread into the fresh metal. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Should be fine. Either a bungy cord or an extra pair of hand may have also been useful because the pins cannot be screwed in by hand due to the rubber sleeves. 2004 R1200C stripped valve cover bolt (threads in head). Once the bore is clear, use brake cleaner or denatured alcohol to clean it out. All information is provided "AS IS." Thanks for contributing an answer to Bicycles Stack Exchange! For most stripped holes, prevention is better than a cure. The best fix is to helicoil the hole in the knuckle. The threads were completely stripped and spinning on the dodge pickup truck and the brake caliper slider bolts had no threads to screw into so we had to come up with a fix! It Pisses me ofive had a pair of Reba Forks for 4 weeks..Went back to SRAM for a Blown Poploc ..But Dont worry they come back with a stripped Fork mount.. It may be covered. For those that have used this kit for the repair, what size drill bit was used? The caliper dust boot. By toddlamp in forum Flying Brick K-bikes, stripped bolt threads in front caliper brake 2003 RS, https://www.beemerboneyard.com/34117660512.html. After getting the bolt out, it may be tricky to get the bolt out of the socket. PNW. Heli coil thread repair, 25 results found for 251615219 - AutoDoc Search. The bolt still goes in but doesn't hold very tight. the hole was into aluminium, which is soft and threads often don't last. if one fails, you have another one). I know I had to do it to my actual brake caliper and it's alu and no problems what so ever. How do I mount this Topeak rack onto this road bike with disc brakes? Now this may be the cheapie fix, and who knows, I might just rip the whole caliper off at some point (no big deal since I got the fork for less than $200). In some instances they can get stripped because someone put in too short of a bolt. If they are damaged and are just holding, you risk Youll need to bleed the brakes before driving the vehicle. Helicoil kits are somewhat expensive, so you'd have a shop do it. The material is being replaced. That sucks! Heli-coils produce a stronger thread than simply threading a mild steel, aluminum, or cast iron part (and etc) as all of these materials are of a much lower strength than the bolt that will be threaded into them. Put the caliper on a flat surface, with a piece of wood in front on the piston. Most or all of those have been basic OEM suspension forks with chunky post mounts where material loss is simply not much of a concern, i.e. suggestions. The upshot with helicoil is there's no strength loss at all as long as there's sufficient material left around the hole. Post mount is M6x1. Seems to be a common problem. submitted to our "DoItYourself.com Community Forums". Today I went to replace my front brake pads and rotors. Why does Series give two different results for given function? Step 2 - Removing the Caliper. The thread is 9X1.25 . I have personally broke the bolt before by overtightening it with a 1/4" socket wrench. I got a heli coil kit at NAPA the number is 770-3411. The best answers are voted up and rise to the top, Not the answer you're looking for? I dunno..i could be way off or spot on..who knows. This in on my XC hardtail with BB7s. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. If you have an IS mount brake caliper then there may not be enough meat to drill, leaving a thin mount and insufficient metal to hold your braking forces. You need to remove the dust seal and the piston from the bore, and for this you should use something non-metallic. What kind of brakes? It is best to use a punch through the hole in the socket to pound the bolt back out. It would be better to fill the hole half way with JB weld and re-tap starting from the other side, using the good threads for a starter and alignment. Horizontal and vertical centering in xltabular. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. to this site, and use it for non-commercial use subject to our terms of use. I know that I torque mine to about 18 or so. I know that this a really old thread but I happen to notice that it gets a lot of hits but I took down whatever jpg file I had posted here. Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, and more for the SJ, XJ, KJ, KK, KL series and Grand Cherokee! Is it safe to publish research papers in cooperation with Russian academics? You may want to use the correct size drill bit for a brake caliper. Sometimes you eat the trail, sometimes the trail eats you. You will now be able to see the caliper. To ensure our content is always up-to-date with current information, best practices, and professional advice, articles are routinely reviewed by industry experts with years of hands-on experience. Can you still use Commanders Strike if the only attack available to forego is an attack against an ally? We can repair stripped threads on caliper mounting points which is quite common on Brembo calipers from cars like #1. What do hollow blue circles with a dot mean on the World Map? The mount already looks as small as it can be. It also helps to use a wrench that engages all sides of the bolt, the closed end wrench or flare nut wrench. I found options of : buy a new spindle, and send it to a guy who had a repair kit. Upon removing the Guide Pins for the brake calipers 3 of the 4 threaded holes have stripped out of the Hub Carriers. Just pound it over the bolt so it forms "teeth" on the outside of the head of the bolt. GMPP Duals, GMPP Handling Kit, NAIOA FWI V2, Silverstar Hi/Lo/Fogs, Viper 5900 Remote Start/Security. if you wish to stay logged in. Is there any known 80-bit collision attack? I appreciate it VERY much!! Just be careful to ensure it's catching the existing threads and not starting to cut new ones. He would be able to drill out easily but I'm guessing Trek wanted to save as much weight as possible and that's why it's so minimal. Caliper sliding tube / bolt thread repair . I forget the exact number but it's just barely tight. You can buy new lowers for the fork. Brake calipers, found only on disc brake systems, house pistons which use the force of hydraulic brake fluid to stop the vehicle. More specifically, those pistons squeeze brake pads against rotating disc brake rotors - creating the friction necessary for scrubbing off speed. The longer one goes on the bottom I believe. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. It may still see higher- or lower-than-normal wear on the side where a frozen piston is, depending on the position that the piston is stuck in. Be especially careful with this, as it will damage the car paint. https://www.google.com/#q=site:forums.mtbr.com+helicoil+stripped+post+mount. :http://www.youtube.com/c/ponie1992Recommended playlist:https://www.youtube.com/playlist?list=PLCf66q5Bltq076Ft3l_o9wX40J02eI6CnSponsors: Ram Clutches: https://ramclutches.com/Libertatum Apparel: https://libertatumapparel.com/ponie1992 merchandise:https://teespring.com/stores/ponie1992Teespring 6% off promo code:PONIES550Anchor Room 10% discount code: SC_JEREMYInstagram:https://www.instagram.com/ponie1992_s550/ To reassemble, reverse the procedures you used to take off the caliper. Put jack stands under the front axle and remove the wheel. Yeah its' like 21 or so foot lbs. To do this, start by slightly loosening the lug nuts on the wheel where youll be working. If this is your first visit, be sure to I saw it on Jeepforum.com years ago. This morning he's so frustrated he can't even speak. Failing that, helicoil is your best option, but I'd try loctite first. A forum community dedicated to Chevy Impala owners and enthusiasts. I went to reinstall the front left caliper after replacing the rotor and the hole in the knuckle stripped. For a better experience, please enable JavaScript in your browser before proceeding. On the home stretch of my knuckle rebuild/tie rod installation I find a stripped bolt hole in the driverside brake caliper mounting hole inside the knuckle. Thus, lower torque value of 30 NM. Thanks for the help, Metal Man. You do not have two bolts for safety (i.e. All trademarks of Audi AG are acknowledged. WebDorman offers a line of brake bleeder repair kits to repair stripped-out bleeder screws on a caliper. Found the oversized pin. S SamT Registered Joined Oct 24, 2009 I have put a Re-Coil in one to see how it worked but the Guide Pin will not 'engage' in the new thread. Check "Remember Me?" Helicoil is not removing material. I pulled the bolt out finding the threads with it. Then apply the force in the direction to remove the bolt. I'm going to see if it keeps holding tight and go from there, but it's solid as can be right now. The Fora platform includes forum software by XenForo. 1995-2023 MH Sub I, LLC dba Internet Brands. The new bolt must be long enough so that at least 2 threads are exposed after all the torquing is done. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Post- and flat-mount put the threads in the fork. TDI. You basically drillout the stripped hole, retap, then thread a steel coil insert into the hole, which creates new thread to the original diameter. part # 13894. To learn more, see our tips on writing great answers. I have spoken to the Audi main dealer (Cheltenham), who were unable to tell me what the Guide Pin thread is. For future front brake jobs, I learned to make sure that the caliper is 100.0% seated before attempting to tighten the caliper pins. The brake hose metal fitting was interfering with upper bolt head, and I think both bolts went crooked because of that. The concern I have with helicoils is I don't think the mount if beefy enough to drill out for the helicoils install. User without create permission can create a custom object from Managed package using Custom Rest API. It stands alone in that regard. You have two (or more) bolts because each one is fundamental. Tap it? I have re-cut the threads and install a Heli coil to repair this, you need M9 Heli coil kit (M9 Thread pitch 1.25 coil length about 13mm long), kit comes with drill but and Are you sure the threads are not 9mm x 1mm? AutoDoc Search: check out the great assortment of auto parts from Autodoc.co.uk - favorable prices & wide range of brands. View our Privacy Policy here. I ended up putting a thinner washer on the bolt so it could grab more threads, some liquid thread lock, then hand tightened it. You probably have 2 different length bolts. When one is gone, the brake will not function properly and soon also the other bolt(s) will strip/break. See the following link: I haven't done it yet. I would prefer not to go into the details of how I managed to do this but needless to say it started with stupidly miss-positioning the carrier and cross-threading the bolt and deteriorated into additional stupid and short-sighted decisions. Topped off with some new slider pin bolts from Raybestos and this truck is back in running order! The tap picked out the remains of the pin and the new guide pin fitted perfectly. For a better experience, please enable JavaScript in your browser before proceeding. If you threaded the short one into the wrong slot it would only grab the first mm or two and then strip. JavaScript is disabled. Do not continue to ride without doing this. It is much beter to strip a cheap ass bracket or caliper than your fork lowers. Bicycles Stack Exchange is a question and answer site for people who build and repair bicycles, people who train cycling, or commute on bicycles. Take your strip pin to a NAPA center and see what they have. Lockers at both ends. has motion/slop (do it up tighter, and use threadlocker to minimise vibration), bolt was cheap/underspecced and stretched during use/installation. This style nut is high strength and will not loosen under vibratory load. I had put a temporary fix in place that may have opened up the threaded hole too much for this to work. The threads on the NAPA pin are slightly larger, however, and will tap new threads into the carrier. you're going to a 7mm hole from 6mm in a post mount where the face is about a 12x12mm square shape. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. We welcome your comments and If you can't clean up the hole with a tap then the heli-coil route is the way to go as already mentioned. Tap the stripped hole to the original size/pitch and install the new bolt. I'm with Guycheka. Also what is the cheapest way going about repairing it? Took the brakes off the forks to change the front tire. Both Impex and 1stVWparts carry it, but it's not cheap! Is replacing the fork one of the solution you found? Those bolts are not hardend steel (atleast my weren't from the factory) and it snapped like a twig. Questions of a Do It Yourself nature should be WebThis is the housing for your caliper piston and brake pads. All rights reserved. Take a wrench and loosen the nut that attaches the brake line to the caliper, putting the end of the line into a jar. We bought this heli coil kit off Amazon to repair the damaged threads and used a cheap drill to get the job done! You should have a good amount of usable threads past where you stripped it out. Come join the discussion about performance, SS models, modifications, classifieds, troubleshooting, maintenance, and more! Fixed brake caliper. The only issue with a heli-coil is that, since you have to oversize the hole, you might run out of edge distance on the hole.

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