brake caliper thread stripped

The brake hose metal fitting was interfering with upper bolt head, and I think both bolts I spoke to the Audi dealer re the cost of new pins and was quoted 22 + VAT for EACH one !!! It seems that more companies are going post mount and that realy sucks. Post- and flat-mount put the threads in the fork. AutoDoc Search: check out the great assortment of auto parts from Autodoc.co.uk - favorable prices & wide range of brands. Helicoils and magnesium are not a problem, it's used all the time on older Porsche magnesium engine blocks when the head studs get pulled out of the crank case. Just pound it over the bolt so it forms "teeth" on the outside of the head of the bolt. Sorry I do not have the NAPA part number. I am going to assume you're talking about a stripped post mount. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. I dunno..i could be way off or spot on..who knows. Sometimes you eat the trail, sometimes the trail eats you. I appreciate it VERY much!! Be especially careful with this, as it will damage the car paint. Works great! A forum community dedicated to Mountain Bike owners and enthusiasts. Where does the version of Hamapil that is different from the Gemara come from? 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? NAPA sells a pin that looks exactly the same as the one you used to strip the housing. or the PopLock hold down screw? Make sure the bore is absolutely clean before you move on. You have two (or more) bolts because each one is fundamental. Once its seated, check that the piston is square, then use hand pressure to put it in place. Suspension fork lowers are made of magnesium, which is equally as soft as aluminum and even more susceptible to corrosion. Stripped thread repair in brake caliper mounting points. Stripped threads repair on caliper bleed screw and link pipe points. Here are some pictures of our thread repairs on stripped / damaged bleed screw point and link pipe threads. It is much beter to strip a cheap ass bracket or caliper than your fork lowers. I went to reinstall the front left caliper after replacing the rotor and the hole in the knuckle stripped. Never greased the channels, is this really a normal maintenance thing? So far I have been lucky just using some red loctite and torquing it down as far as it will go without simply doing more damage. not a tap / die - to see if you can reform the threads. When I removed it part of the aluminum came out in the threads and damaged the remaining threads on the way out (threads in the caliper) it tightened up "ok" but after several sets of bleeding it finally rounded out and just spins. (that the caliper carrier bolts go into) Is it the spindle? "Signpost" puzzle from Tatham's collection. Brake Caliper Repair: How to Identify Wh Do Not Sell or Share My Personal Information. Remove these and take out the caliper, and watch that the brake lines arent twisted. JavaScript is disabled. It occured to me that possibly the thread in the Re-coil is incorrect. What they hell was wrong with the IS standard? Heli coil thread repair, 25 results found for 251615219 - AutoDoc Search. Use a rag to Copyright 2002-2021 Audi A2 Owners' Club (A2OC). There are a few thread restore products that claim to form new threads : I have NEVER seen brake mounts that aren't thick enough for helicoil. Browse other questions tagged, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. Thread starter Andy Davis; Start date Mar 14, 2021; Andy Davis. Once the bore is clear, use brake cleaner or denatured alcohol to clean it out. 7-15? 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. Keep your hands clear. Helicoil rethread? 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. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Lubricate the caliper bore, seal, and piston well with brake fluid. Someone out there makes a kit for correcting this. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Is there any way to re-thread the hole, and if it is, what would be the size? I have personally broke the bolt before by overtightening it with a 1/4" socket wrench. Adding EV Charger (100A) in secondary panel (100A) fed off main (200A). If they are damaged and are just holding, you risk The caliper will generally be held on by two bolts. We can repair stripped threads on caliper mounting points which is quite common on Brembo calipers from cars like The bottom half is stripped out so that it won't torque down very much at all. Hope that helps. This item: Laser - 5037 Brake Caliper Guide Thread Repair Kit. It was a Dorman Help! As others have said, don't ride even a little with only one bolt. S SamT Registered Joined Oct 24, 2009 If corrosion is found, use new caliper bolts 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.. Quick release and tires moving in the frame? 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. Total price: $185.43. Having recently replaced the brake discs on my A2, when putting them back together i found that one of the slide pins threads was in very poor condition and wouldn't tighten up. 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! And plumbers PTFE tape would be a bad choice for loose threads, it's not used to lock the threads. Should be fine. Website operating Clean carefully. 98 xj 4.0L aw4 231 tcase jcr stage 1 sliders 3 inch aal cobra cb rough country warn tcase skid ruff stuff 825 diff skid. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. A forum community dedicated to Chevy Impala owners and enthusiasts. Take it to your LBS and have them re-chase the threads. CRC BRAKLEEN Brake Parts Cleaner - Non-Flammable -1lb 3 Oz (05089) $477. For a better experience, please enable JavaScript in your browser before proceeding. For a better experience, please enable JavaScript in your browser before proceeding. When calculating CR, what is the damage per turn for a monster with multiple attacks? I'm hesitant to start removing the bro Drive way has a cracking (see picture). What are the advantages of running a power tool on 240 V vs 120 V? This is why it pisses me off that all of the fork makers are moving towards post mount brakes. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. We bought this heli coil kit off Amazon to repair the damaged threads and used a cheap drill to get the job done! I can only assume this means I cross threaded it to begin with and have again cross threaded it. When youre undertaking brake caliper repair, one thing you might encounter is a cracked dust boot. I tihnk I stripped threads in the knuckle, where two brake caliper bolts go. 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. They should have the tools for it, call ahead to check or explore your options but someone should be able to chase them. Super easy and I never had a problem. Hubby's been fighting with it for the last two days. If you have access to a mill or lathe, cut the thread off your existing pin drill and tap it M8 or a size close to that, drill the hole 8.0-8.1 (clear in the carrier) and put a bolt though the carrier and into the pin, you will need to check first to make sure the bolt head will be clear of anything else first though. It worked beautifully much to my delight! You must log in or register to reply here. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Do not continue to ride without doing this. You do not have two bolts for safety (i.e. My friend's bike for example had plenty of beef to the mount. Performing some general brake/wheel maintenance on the wife's car (had not cleaned and lubed the brake pins since acquiring the car) and discovered that the top slider pin on the front driver's side caliper wasn't tight. Check "Remember Me?" Good luck! It may be covered. Mechanical disc brakes lacking stopping power. Helicoil kits are somewhat expensive, so you'd have a shop do it. The best fix is to helicoil the hole in the knuckle. #1. Available at Amazon for about $25, but I lucked out and borrowed the Copyright I picked up the NAPA bolt, but it turned out my bolt only had the first couple of threads stripped, so a little pressure pushed it to the point where the good threads started to catch. The bolts, threads, posts all act as one unit supporting each other. If there are deep scratches in the caliper bore, youll need to replace it. The best answers are voted up and rise to the top, Not the answer you're looking for? M9x1.25 is the correct thread size but I guess it's very tricky to drill and tap the stripped thread 'dead square' to ensure the perfect alignment needed. You need a 9mm x 1.25 helicoil kit to fix it. If the piston wont come out easily, work it out with your fingers, and youll see the dust boot. I forget the exact number but it's just barely tight. 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. Integral-ABS (iABS) ..but hey, it's all about being green nowadays. #helicoil #strippedthreads #youcanfixitHere's how I repaired the stripped banjo bolt hole on my Baer drag brake caliper. 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. 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. Anybody know this one? We show HOW TO FIX STRIPPED CALIPER THREAD on a DODGE DAKOTA Spindle hub assembly. The upper portion of the threads in the caliper are gone, the lower (about half) are still in good shape. I think if I drilled the hole any larger the mount would fail due to not enough rigidity. Thus, lower torque value of 30 NM. I ended up putting a thinner washer on the bolt so it could grab more threads, some liquid thread lock, then hand tightened it. That said I have never know anyone personaly to ever strip their fork lowers but this thread has shown that it is posible. All rights reserved. What do hollow blue circles with a dot mean on the World Map? Use brake fluid to lubricate the parts, and start by working on the seal. Stripped Caliper Bolt. Please contact us if you wish to reproduce any content. https://www.youtube.com/watch?v=-VjSDTCOaRE. 2004 R1200C stripped valve cover bolt (threads in head). 2000 XJ 6" Lift, 35's MTR's, ford 8.8 rear, hp30 front w/ alloys. It may not display this or other websites correctly. Jun 14, 2007. I had put a temporary fix in place that may have opened up the threaded hole too much for this to work. Horizontal and vertical centering in xltabular. Put that stuff on and let it soakgive it some time.come back and put a bit more on and give it more time. JavaScript is disabled. Is there any known 80-bit collision attack? This in on my XC hardtail with BB7s. why not just get a second hand hub from one of the resident breakers? One of the nice things about IS disc mounts is that the part with the female threads is replaceable and simple, but IS is uncommon on new bikes. Threads strip when the bolt. Maybe do what I did as a stop gap and get a longer bolt and put a nut on the end -. Have read elsewhere that lawn mower outfits can do the job too. if one fails, you have another one). By toddlamp in forum Flying Brick K-bikes, stripped bolt threads in front caliper brake 2003 RS, https://www.beemerboneyard.com/34117660512.html. You need to remove the dust seal and the piston from the bore, and for this you should use something non-metallic. I saw it on Jeepforum.com years ago. Bicycles Stack Exchange is a question and answer site for people who build and repair bicycles, people who train cycling, or commute on bicycles. Stripped threads repair on caliper bleed screw and link pipe points. Here are some pictures of our thread repairs on stripped / damaged bleed screw point and link pipe threads. Previous post: Snapped, broken, seized bleed screw removal on Brembo calipers. Forum Software Specific Help. They really should use longer bolts with square ends for PM and they should come with the fork. because it is the only reliable one. You can buy new hub uprights from Autodoc. I was cleaning the mud and crap off my breaks when I got to the passenger side. Those bolts are not hardend steel (atleast my weren't from the factory) and it snapped like a twig. 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. You may freely link Will look at Napa for that oversized bolt. It is best to use a punch through the hole in the socket to pound the bolt back out. Questions of a Do It Yourself nature should be If the bolt is too tight or corroded/rusted to be almost permanently attached, then I can recommend either Liquid Wrench or PB Blaster. went to tighten down my caliper bolt on my almost brand new Rockshox Dart 1 today and it wouldn't torque down to spec. To do this, start by slightly loosening the lug nuts on the wheel where youll be working. Yes, just found a new guide sleeve for a 1.2Tdi - 9mm x 1.25mm. How about the thread specs for a helicoil kit? Then apply the force in the direction to remove the bolt. Failing that, helicoil is your best option, but I'd try loctite first. Took the brakes off the forks to change the front tire. Check the torque specs when you re-install the boltsdon't over torque. Tap it? Slide the seal into its groove in the bore and replace the piston until about half an You said "barely" stripped. There is a good write up on how to repair the damage on jeep forum.com. TDI. I noticed that one of the bolts used to attach the brake to the fork is stripped and found many solutions but wanted to know if continued use will make it worse with and without repairing it. Type A-Spec said: From acuraoemparts.com. 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. http://www.napaonline.com/masterpages/NOLMaster.aspx?PageId=470&LineCode=BK&PartNumber=6751539&Description=Brake+Caliper+Housing+Bolt+-+Oversized+-+Front, http://www.napaonline.com/masterpages/NOLMaster.aspx?PageId=470&LineCode=BK&PartNumber=6 751539&Description=Brake+Caliper+Housing+Bolt+-+Oversized+-+Front, http://forums.tdiclub.com/showthread.php?t=360517. Its important to be sure its on the groove properly and not twisted. Why don't we use the 7805 for car phone chargers? Feed in compressed air. If your brakes are malfunctioning, stop riding the bike until its fixed. In some instances they can get stripped because someone put in too short of a bolt. Upon removing the Guide Pins for the brake calipers 3 of the 4 threaded holes have stripped out of the Hub Carriers. Today I went to replace my front brake pads and rotors. Regardless of whats wrong - a brake is a critical component of your bike and you should not take risks. Maybe I'll get into the front brakes when I have some free time and clean 'em up. so I may get a die nut to clean up the original ones. The new bolt must be long enough so that at least 2 threads are exposed after all the torquing is done. While changing the front pads I managed to strip the carrier bolt threads (? They can be cranked real tight though, which i used to do before i knew wtf i was doing. A forum community dedicated to Jeep Cherokee owners and enthusiasts. The bolt still goes in but doesn't hold very tight. This style nut is high strength and will not loosen under vibratory load. See the following link: I haven't done it yet. the hole was into aluminium, which is soft and threads often don't last. 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. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. #helicoil #strippedthreads #youcanfixitHere's how I repaired the stripped banjo bolt hole on my Baer drag brake caliper. Location. Good luck with it and let us know how the saga concludes! Seeing as how you havn't really badly stripped it out, I'd use some red loctite, and hope for the best. GMPP Duals, GMPP Handling Kit, NAIOA FWI V2, Silverstar Hi/Lo/Fogs, Viper 5900 Remote Start/Security. Engaging just two sides of the bolt with an open end wrench may not give enough torque evenly around all sides of the bolt. The Fora platform includes forum software by XenForo. Put the caliper on a flat surface, with a piece of wood in front on the piston. The The disk brake mounting and hardware. If you can't clean up the hole with a tap then the heli-coil route is the way to go as already mentioned. I didn't torque it down; I just tightened it nice and snug. Take your strip pin to a NAPA center and see what they have. home improvement and repair website. If it's only a matter of a relatively small section being stripped but with lots of good thread beneath it, just using an extra long bolt can work, and if that is the situation then that's probably the cheapest. Some mounts just don't have enough material for a coil. Put jack stands under the front axle and remove the wheel. 8. Web2) On all K1200 (brick engine) having iABS (with servos), the bolts holding Front Calipers to forks are M8 (only 8 mm diam). Was going to straight up say "yeh helicoil", but then saw Guyecka's reply and remembered it's not alu you'd be doing it too. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. I found the repair kit here but I wasn't going to pay for it since this should be a one time problem. For a better experience, please enable JavaScript in your browser before proceeding. If you are already a member of the BMW MOA, please log in to the forum in the upper right hand corner of this page. JavaScript is disabled. I picked up an over-sized caliper pin from a Parts Depot. You can buy new lowers for the fork. Helicoil is not removing material. Topped off with some new slider pin bolts from Raybestos and this truck is back in running order! Problem I found in my town was finding a single size I needed. Is there enough thread left to where you can just retap it or did you completely strip the threads out all the way through. Connect and share knowledge within a single location that is structured and easy to search. I did this also but found a very easy solution. The upshot with helicoil is there's no strength loss at all as long as there's sufficient material left around the hole. Thanks for contributing an answer to Bicycles Stack Exchange! Take the bolts to a real hardware store and match them up to the appropriate heli-coil kitinstructions are in the kit. Can you still use Commanders Strike if the only attack available to forego is an attack against an ally? This isnt easy, so take your time to ensure its done right. The tap picked out the remains of the pin and the new guide pin fitted perfectly. Very rusty, and the torx fitting is trashed to where the correct torx socket spins right out when trying to crank the bolt out. It would still be ideal to chase and clean the threads before doing this. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Is it safe to publish research papers in cooperation with Russian academics? The horizontal drywall edge is cracked in a ceiling to skylight t Folks: What are my best options here? to this site, and use it for non-commercial use subject to our terms of use. What are the arguments for/against anonymous authorship of the Gospels. Can't get to work b/c brakes bad and need to change. One of mine was stripped whn i REPLACED THE AXLE. If you twist the piston, this will help seat the boot properly. The threads on the NAPA pin are slightly larger, however, and will tap new threads into the carrier. Haha. What are my options for fixing this, besides a new fork? WebDorman offers a line of brake bleeder repair kits to repair stripped-out bleeder screws on a caliper. Use a rag to plug the hole where the line enters the caliper to avoid spilling any brake fluid. you're going to a 7mm hole from 6mm in a post mount where the face is about a 12x12mm square shape. Used concrete repair kit from HD w ABS Brake Repair: How to Repair an ABS Sensor. It is not affiliated or connected in any way to Audi AG. The concern I have with helicoils is I don't think the mount if beefy enough to drill out for the helicoils install. Thread Kits (1221-309 Thread Repair Kit Brand: Thread Kits 35 ratings | 5 answered questions $3438 FREE Returns Available at a lower price from other sellers The Napa replacement bolt part number is 675-1539. part # 13894. Should I re-do this cinched PEX connection? VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Do you need to open the calipers of a hydraulic disk brake in order to clean it? It only takes a minute to sign up. I purchased the helicoil kit for this (M9x1.25). Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, and more for the SJ, XJ, KJ, KK, KL series and Grand Cherokee! Also what is the cheapest way going about repairing it? I know that I torque mine to about 18 or so. Come join the discussion about performance, SS models, modifications, classifieds, troubleshooting, maintenance, and more! For as much riding as it has seen, it has never come loose--not once. If it's Step 2 - Removing the Caliper. Cram a slightly larger bolt in there? When one is gone, the brake will not function properly and soon also the other bolt(s) will strip/break. 2000 & 2003 Golf GLS (2005 Mercedes E320 CDI) Apr 16, 2016. Sometimes stuck bolts can be removed by first applying force that tightens them, which can actually break them free. I know I had to do it to my actual brake caliper and it's alu and no problems what so ever. WebThis is the housing for your caliper piston and brake pads. @MaplePanda good point, but magnesium fork parts are still pretty rare AFAICT, New blog post from our CEO Prashanth: Community is the future of AI, Improving the copy in the close modal and post notices - 2023 edition, One stripped post mount on suspension fork.

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brake caliper thread stripped