The upper portion of the threads in the caliper are gone, the lower (about half) are still in good shape. This is why tabs are so much beter than post mount. It worked beautifully much to my delight! 12) Inspect the caliper bolts for corrosion or damage. 13: 45240-SA7-003 BOLT, FLANGE (8X22) 17: 90107-SM4-000 BOLT, CALIPER MOUNTING. 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. It is much beter to strip a cheap ass bracket or caliper than your fork lowers. I know that I torque mine to about 18 or so. Engaging just two sides of the bolt with an open end wrench may not give enough torque evenly around all sides of the bolt. Stripped 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. With that done, raise the front end with a hydraulic jack. 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. A forum community dedicated to Chevy Impala owners and enthusiasts. Horizontal and vertical centering in xltabular. Theres a groove at the top of the piston, and you need to work the dust boot into this. (PICS) Remove STI caliper decal and replace with Brembo decal on GR M9X1.25 is the correct thread size, however i have used this kit before, Yup - m9x1.25 - my mechanic did one for me last week - no problem at all. Good luck! 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. All trademarks of Audi AG are acknowledged. Rear brake caliper bolt (allen key head stripped) help 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. 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. That risks overloading the remaining bolt and causing a brake failure and/or additional damage to the parts. Can't get to work b/c brakes bad and need to change. Helicoil is not removing material. Asking for help, clarification, or responding to other answers. Quick release and tires moving in the frame? Apr 11, 2016. Aug 5, 2018 Should be able to get one of those bolt extractors in the big box stores. Upon removing the Guide Pins for the brake calipers 3 of the 4 threaded holes have stripped out of the Hub Carriers. Cram a slightly larger bolt in there? The brake hose metal fitting was interfering with upper bolt head, and I think both bolts went crooked because of that. Integral-ABS (iABS) 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). 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. Upon trying to button it all up we found that the lower hole that the caliper bolt goes into is stripped and the bolt just turns and turns and turns. The Fora platform includes forum software by XenForo. For as much riding as it has seen, it has never come loose--not once. My front left is squeaking intermittently. After getting the bolt out, it may be tricky to get the bolt out of the socket. Can someone please let me know the name and/or part number of the part I need to replace? You basically drillout the stripped hole, retap, then thread a steel coil insert into the hole, which creates new thread to the original diameter. Sometimes you eat the trail, sometimes the trail eats you. Take a wrench and loosen the nut that attaches the brake line to the caliper, putting the end of the line into a jar. 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. If there are deep scratches in the caliper bore, youll need to replace it. The Fora platform includes forum software by XenForo. What Brake Calipers Do & How to Tell if They Are Bad - CARiD Brake Caliper bolt threads stripped; should I replace knuckle? Just some suggestions. part # 13894. We show HOW TO FIX STRIPPED CALIPER THREAD on a DODGE DAKOTA Spindle hub assembly. Stripped Caliper Bolt If the bolt is too tight or corroded/rusted to be almost permanently attached, then I can recommend either Liquid Wrench or PB Blaster. The upshot with helicoil is there's no strength loss at all as long as there's sufficient material left around the hole. The kit references a size "U" drill bit. How do I mount this Topeak rack onto this road bike with disc brakes? You should have a good amount of usable threads past where you stripped it out. Suspension fork lowers are made of magnesium, which is equally as soft as aluminum and even more susceptible to corrosion. Fixed brake caliper. Should I re-do this cinched PEX connection? Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. The threads on the NAPA pin are slightly larger, however, and will tap new threads into the carrier. You do not have two bolts for safety (i.e. See the following link: I haven't done it yet. "Mountain biking: the under-rated and drug-free antidepressant", http://www.amazon.com/Loctite-Form-Thread-repair-grey/dp/B000WSEUII?ie=UTF8&*Version*=1&*entries*=0. All rights reserved. I am going to assume you're talking about a stripped post mount. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Brake Calipers and Replacement Brake Caliper Parts | Napa I had put a temporary fix in place that may have opened up the threaded hole too much for this to work. where the allen bolt screws into) on the top drivers side. so that new bolt could go through the bushing? The caliper dust boot. Lubricate the caliper bore, seal, and piston well with brake fluid. I can report that the NAPA part seems to work quite well--I installed it in 30 minutes this morning. Oct 31, 2020. Front brake caliper thread repair. #1. For most stripped holes, prevention is better than a cure. I have done a number of helicoil on magnesium engine cases on my yz450. By toddlamp in forum Flying Brick K-bikes, stripped bolt threads in front caliper brake 2003 RS, https://www.beemerboneyard.com/34117660512.html. It may not display this or other websites correctly. I hope they start doing some sort of replacable theaded insert. Website operating I have a Lexus IS250 with two torn inner boots (not fully torn) and would l 76117 You can buy new lowers for the fork. 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.. The tap picked out the remains of the pin and the new guide pin fitted perfectly. 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. We welcome your comments and "Signpost" puzzle from Tatham's collection. Take a look at the photos. This isnt easy, so take your time to ensure its done right. you're going to a 7mm hole from 6mm in a post mount where the face is about a 12x12mm square shape. It stands alone in that regard. For a better experience, please enable JavaScript in your browser before proceeding. https://www.google.com/#q=site:forums.mtbr.com+helicoil+stripped+post+mount. I think if I drilled the hole any larger the mount would fail due to not enough rigidity. Why don't we use the 7805 for car phone chargers? I did the same thing on my old Minute. 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. Attach an air hose to the hole where the fluid enters the caliper. Problem I found in my town was finding a single size I needed. :rofl: My tj's fsm said 20 something but i feel it was 21. 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. I'm going to see if it keeps holding tight and go from there, but it's solid as can be right now. NAPA sells a pin that looks exactly the same as the one you used to strip the housing. I went to reinstall the front left caliper after replacing the rotor and the hole in the knuckle stripped. Keep your hands clear. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. The Repair damaged/stripped brembo caliper mounting 2004 R1200C stripped valve cover bolt (threads in head). S SamT Registered Joined Oct 24, 2009 Is replacing the fork one of the solution you found? I can only assume this means I cross threaded it to begin with and have again cross threaded it. It only takes a minute to sign up. WebDorman offers a line of brake bleeder repair kits to repair stripped-out bleeder screws on a caliper. Now, use a rachet to back out the bolt. I know I had to do it to my actual brake caliper and it's alu and no problems what so ever. This is something you can fix although it will be easier to replace the dust boot rather than try to repair it, as you wont manage as good a seal with a repair. Is there enough thread left to where you can just retap it or did you completely strip the threads out all the way through. Freak'in Brake Caliper Bolts!!! - Impala Forums 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. For a better experience, please enable JavaScript in your browser before proceeding. 7-15? How to Rebuild a Brake Caliper (And Save Money) - Advance Helicoil kits are somewhat expensive, so you'd have a shop do it. A forum community dedicated to Mountain Bike owners and enthusiasts. All information is provided "AS IS." I have put in a M9 x 1.25 insert which fitted perfectly when I tried it 'dry' with a Guide pin out of the box. I think mine was off by just a degree I had alot of trouble aligning the caliper to the threaded holes also. I plan on trying it in the spring to see. Yeah its' like 21 or so foot lbs. The concern I have with helicoils is I don't think the mount if beefy enough to drill out for the helicoils install. I have loosened it to realign the caliper on several occasions, and the original loctite is still holding strong. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. JavaScript is disabled. Come join the discussion about bike parts, components, deals, performance, modifications, classifieds, trails, troubleshooting, maintenance, and more! Hubby's been fighting with it for the last two days. My local Napa actually had the part in stock and would match there online price if I brought in a print out with the online price. I did this also but found a very easy solution. This is an Audi A2 enthusiasts' site and is NOT an official Audi site. if you wish to stay logged in. stripped disc brake caliper mounting hole. 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 It seems that more companies are going post mount and that realy sucks. There is a good write up on how to repair the damage on jeep forum.com. The brake hose metal fitting was interfering with upper bolt head, and I think both bolts suggestions. Huge time gap between the original dart1 thread stripping issue, and the latest Reba issue. It is best to use a punch through the hole in the socket to pound the bolt back out. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. All our brake bleeder repair kits are constructed of high-quality materials for long-lasting durability. 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. Brembo mounting points thread repair | Pro-Calipers home improvement and repair website. I bought them for the same reason as the OP - damaged threads for the brake slider pins. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. I was cleaning the mud and crap off my breaks when I got to the passenger side. The best fix is to helicoil the hole in the knuckle. The longer one goes on the bottom I believe. 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. View our Privacy Policy here. We need a lot more detail, but brakes are important safety feature, cheapest fix is not the best approach. GMPP Duals, GMPP Handling Kit, NAIOA FWI V2, Silverstar Hi/Lo/Fogs, Viper 5900 Remote Start/Security. ^^^ Post a good photo, or perhaps a few good photos that show that area. Upon removing the Guide Pins for the brake calipers 3 of the 4 threaded holes have stripped out of the Hub Carriers. Well, today while going back over a recent brake job and properly lubricating everything, I managed to strip the lower hole on the driver's side caliper carrier where the lower caliper guide pin bolts up (I think it's the carrier, not just the bolt/pin). Is "I didn't think it was serious" usually a good defence against "duty to rescue"? Haha. Clean carefully. Take the bolts to a real hardware store and match them up to the appropriate heli-coil kitinstructions are in the kit. We can repair stripped threads on caliper mounting points which is quite common on Brembo calipers from cars like Just drill out the hole and rethread. Very rusty, and the torx fitting is trashed to where the correct torx socket spins right out when trying to crank the bolt out. The horizontal drywall edge is cracked in a ceiling to skylight t Folks: #helicoil #strippedthreads #youcanfixitHere's how I repaired the stripped banjo bolt hole on my Baer drag brake caliper. stripped front brake caliper bolt threads | Focus Fanatics 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. Once its seated, check that the piston is square, then use hand pressure to put it in place. Thanks for the help, Metal Man. Welcome Guest! Take your strip pin to a NAPA center and see what they have. if one fails, you have another one). The material is being replaced. The threads were completely Use a rag to plug the hole where the line enters the caliper to avoid spilling any brake fluid. Never greased the channels, is this really a normal maintenance thing? AutoDoc Search: check out the great assortment of auto parts from Autodoc.co.uk - favorable prices & wide range of brands. I pulled the inner pad out and squeezed the larger of the three clips to lessen the spring force and his helped considerably. 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. Thought that was a relevant bit of info. 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. I'm not sure what magnesium is like compared to alu, so if you do it I'b be very careful. It would still be ideal to chase and clean the threads before doing this. Found the oversized pin. These works really well rev2023.5.1.43405. The kit costs about 40 bucks at NAPA. problems contact webmaster@doityourself.com. The Napa replacement bolt part number is 675-1539. What are my best options here? #1 So last weekend when I was attempting to remove my caliper brackets on the rear, I found that the button-head bolts with the torx fittings aren't in great shape. Slide the seal into its groove in the bore and replace the piston until about half an Hope that helps. went to tighten down my caliper bolt on my almost brand new Rockshox Dart 1 today and it wouldn't torque down to spec. Use a longer bolt that isn't tapered at the end to maximize the threads and use plenty of loctite. 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. It was a Dorman Help! Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, and more for the SJ, XJ, KJ, KK, KL series and Grand Cherokee! because it is the only reliable one. A forum community dedicated to Jeep Cherokee owners and enthusiasts. Brake Caliper Bolt Stripped Copyright 2002-2021 Audi A2 Owners' Club (A2OC). Why does Series give two different results for given function? Stripped brake mount on fork lower - Bicycles Stack Exchange Please contact us if you wish to reproduce any content. Brake Caliper ..but hey, it's all about being green nowadays. You said "barely" stripped. There is this guy selling knuckles and more. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Yes, just found a new guide sleeve for a 1.2Tdi - 9mm x 1.25mm. Mar 14, 2021 #1 2010 ST1300. Maybe I'll get into the front brakes when I have some free time and clean 'em up. Will look at Napa for that oversized bolt. The bottom half is stripped out so that it won't torque down very much at all. NOT for bike related questions. For those that have used this kit for the repair, what size drill bit was used? So today I removed the brake caliper to see what I could see and when I went to remount it the mount that I stripped held fine like it did before I stripped it. What are the arguments for/against anonymous authorship of the Gospels. Can you still use Commanders Strike if the only attack available to forego is an attack against an ally? 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. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Learn more about Stack Overflow the company, and our products. Failing that, helicoil is your best option, but I'd try loctite first. What are my options for fixing this, besides a new fork? The how-to did not prepare me for this so I hope someone finds this info useful. For a better experience, please enable JavaScript in your browser before proceeding. Brake caliper housing stripped (stupido) | TDIClub Forums This morning he's so frustrated he can't even speak. Tap it? Stripped You drill out and tap the stock knuckle and then there is an insert that you screw in with lock tite to accept the stock bolt. You're doing mtbr wrong, you're supposed to get increasingly offended by the implications that you're doing ANYTHING wrong. I found the repair kit here but I wasn't going to pay for it since this should be a one time problem. I am not sure I would use a Helicoil given the safety aspect and the difficulty of getting the correct angle - the caliper will seize if the angle is wrong. The Fora platform includes forum software by XenForo. For a better experience, please enable JavaScript in your browser before proceeding. And plumbers PTFE tape would be a bad choice for loose threads, it's not used to lock the threads. The bolts, threads, posts all act as one unit supporting each other. You must log in or register to reply here. 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. Youll need to bleed the brakes before driving the vehicle. 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. #helicoil #strippedthreads #youcanfixitHere's how I repaired the stripped banjo bolt hole on my Baer drag brake caliper. It pulled like cheese well below the stated torque spec. For a better experience, please enable JavaScript in your browser before proceeding. Should be fine. I tihnk I stripped threads in the knuckle, where two brake caliper bolts go. Front brake caliper thread repair DoItYourself.com, founded in 1995, is the leading independent When one is gone, the brake will not function properly and soon also the other bolt(s) will strip/break. Stripped out caliper carrier bolt hole. please One of mine was stripped whn i REPLACED THE AXLE. My 87 CHerokee is somewhere in that torque range too 7-15. Today I was readjusting my front brakes and I must have tightened the caliper mount bolt too much and I stripped the threads in the fork. The best answers are voted up and rise to the top, Not the answer you're looking for? Works great! "a hundred travel books isn't worth one real trip". It worked. Is there any known 80-bit collision attack? Interpreting non-statistically significant results: Do we have "no evidence" or "insufficient evidence" to reject the null? 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. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. It occured to me that possibly the thread in the Re-coil is incorrect. Remove the brake and inspect the threads, if they are damaged, get someone to fix them with a helicoils. Or should I get another knuckle? Did more searching and found this was an issue with Manitou forks for alot of people.Looks like Helicoil is the answer. To put things in perspective, I did the same thing to my Manitou Black Elite about two years ago. I figure I ride the thing about 80% of the time, so it gets a lot action. User without create permission can create a custom object from Managed package using Custom Rest API. Is there any way to re-thread the hole, and if it is, what would be the size? JavaScript is disabled. In some instances they can get stripped because someone put in too short of a bolt. screw up: stripped brake caliper bolt This is why it pisses me off that all of the fork makers are moving towards post mount brakes. My friend's bike for example had plenty of beef to the mount. However you're probably past that point. Post- and flat-mount put the threads in the fork. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. It also helps to use a wrench that engages all sides of the bolt, the closed end wrench or flare nut wrench. To reassemble, reverse the procedures you used to take off the caliper. The piston will come out. I purchased the helicoil kit for this (M9x1.25). Location. I spoke to the Audi dealer re the cost of new pins and was quoted 22 + VAT for EACH one !!! I used a helicoil kit from Amazon.If you'd like to donate to the channel, click the link below:https://paypal.me/ponie1992?locale.x=en_USSubscribe for Mustangs, mods and more!