Take a wrench and loosen the nut that attaches the brake line to the caliper, putting the end of the line into a jar. NAPA sells a pin that looks exactly the same as the one you used to strip the housing. There is this guy selling knuckles and more. This morning he's so frustrated he can't even speak. Works great! check out the. Today I went to replace my front brake pads and rotors. Aug 5, 2018 Should be able to get one of those bolt extractors in the big box stores. Thank you and have a great Holyday! I think a shaved good deal of metal out of it, You can use a helicoil kit this is a common problem on chrysler vechiles their calipher mount design brings the suck. You should have a good amount of usable threads past where you stripped it out. Good luck! Because it is the top bolt the carrier shifts during braking and rubs on the wheel. Make sure the bore is absolutely clean before you move on. That said I have never know anyone personaly to ever strip their fork lowers but this thread has shown that it is posible. The Fora platform includes forum software by XenForo. Maybe I'll get into the front brakes when I have some free time and clean 'em up. The upper portion of the threads in the caliper are gone, the lower (about half) are still in good shape. Put the caliper on a flat surface, with a piece of wood in front on the piston. Take it to your LBS and have them re-chase the threads. How about the thread specs for a helicoil kit? A forum community dedicated to Mountain Bike owners and enthusiasts. Had the problem of a stripped front caliper guide pin and threaded hole in the spindle, and searched for repairs. Or should I get another knuckle? The Napa replacement bolt part number is 675-1539. 13: 45240-SA7-003 BOLT, FLANGE (8X22) 17: 90107-SM4-000 BOLT, CALIPER MOUNTING. Mar 14, 2021 #1 2010 ST1300. Not seen this kit before so was intrigued to understand how it worked. JavaScript is disabled. Feed in compressed air. That sucks! Very rusty, and the torx fitting is trashed to where the correct torx socket spins right out when trying to crank the bolt out. You are using an out of date browser. I found the repair kit here but I wasn't going to pay for it since this should be a one time problem. Put that stuff on and let it soakgive it some time.come back and put a bit more on and give it more time. It only takes a minute to sign up. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Seems to be a common problem. While changing the front pads I managed to strip the carrier bolt threads (? Check "Remember Me?" Come join the discussion about bike parts, components, deals, performance, modifications, classifieds, trails, troubleshooting, maintenance, and more! My front left is squeaking intermittently. JavaScript is disabled. Use a rag to plug the hole where the line enters the caliper to avoid spilling any brake fluid. In some instances they can get stripped because someone put in too short of a bolt. 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. Use a rag to Connect and share knowledge within a single location that is structured and easy to search. The Suspension fork lowers are made of magnesium, which is equally as soft as aluminum and even more susceptible to corrosion. I was cleaning the mud and crap off my breaks when I got to the passenger side. If you threaded the short one into the wrong slot it would only grab the first mm or two and then strip. CRC BRAKLEEN Brake Parts Cleaner - Non-Flammable -1lb 3 Oz (05089) $477. Attach an air hose to the hole where the fluid enters the caliper. It would still be ideal to chase and clean the threads before doing this. Helicoil in magnesium sounds scary. We can repair stripped threads on caliper mounting points which is quite common on Brembo calipers from cars like It's an easy fix and long-term repair that either you can do, or take to your LBS and have them do it. NOT for bike related questions. problems contact webmaster@doityourself.com. The tap picked out the remains of the pin and the new guide pin fitted perfectly. It seems that more companies are going post mount and that realy sucks. You will now be able to see the caliper. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. It also helps to use a wrench that engages all sides of the bolt, the closed end wrench or flare nut wrench. How do I mount this Topeak rack onto this road bike with disc brakes? The new bolt must be long enough so that at least 2 threads are exposed after all the torquing is done. Lockers at both ends. Put jack stands under the front axle and remove the wheel. the hole was into aluminium, which is soft and threads often don't last. I fought for a long time, and now I can see why it is easy to cross thread these holes. Engaging just two sides of the bolt with an open end wrench may not give enough torque evenly around all sides of the bolt. This is why tabs are so much beter than post mount. What they hell was wrong with the IS standard? Cram a slightly larger bolt in there? 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. They can be taken off as one piece, but NAPA AUTO PARTS has new mounting caliper brackets, slide pins, locking 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. Questions of a Do It Yourself nature should be ETKA shows the left hand "Radlagergehaeuse mit Bremstraeger" (wheel bearing housing with brake carrier), more commonly called Knuckle, for your car is 1J0 407 255 AG. What kind of brakes? Interpreting non-statistically significant results: Do we have "no evidence" or "insufficient evidence" to reject the null? Will look at Napa for that oversized bolt. Maybe do what I did as a stop gap and get a longer bolt and put a nut on the end -. Take a wrench and loosen the nut that attaches the brake line to the caliper, putting the end of the line into a jar. Some mounts just don't have enough material for a coil. I've helicoiled a number of stripped fork post mounts (probably 5 or 6 now). Just some suggestions. Remove these and take out the caliper, and watch that the brake lines arent twisted. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Perhaps you put the correct bolt in the hole and the deeper threads are still good. 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. Can someone please let me know the name and/or part number of the part I need to replace? Type A-Spec said: From acuraoemparts.com. Sometimes stuck bolts can be removed by first applying force that tightens them, which can actually break them free. 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. Is "I didn't think it was serious" usually a good defence against "duty to rescue"? This in on my XC hardtail with BB7s. Do not continue to ride without doing this. Web2) On all K1200 (brick engine) having iABS (with servos), the bolts holding Front Calipers to forks are M8 (only 8 mm diam). 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? 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. I appreciate it VERY much!! Be especially careful with this, as it will damage the car paint. Website operating If you stripped the threads there all you had to do was go buy another $15 caliper mount. Just be careful to ensure it's catching the existing threads and not starting to cut new ones. part # 13894. Use a longer bolt that isn't tapered at the end to maximize the threads and use plenty of loctite. They can be cranked real tight though, which i used to do before i knew wtf i was doing. NEED HELP ANY IDEAS..on getting a Thread back.. 8. Thread starter Andy Davis; Start date Mar 14, 2021; Andy Davis. I'm not sure what magnesium is like compared to alu, so if you do it I'b be very careful. My friend's bike for example had plenty of beef to the mount. 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. you're going to a 7mm hole from 6mm in a post mount where the face is about a 12x12mm square shape. I can see that half the threads were corroded already so better in the garage than anywhere else. Thanks for contributing an answer to Bicycles Stack Exchange! Clean carefully. Copyright 2002-2021 Audi A2 Owners' Club (A2OC). Is there any way to re-thread the hole, and if it is, what would be the size? After getting the bolt out, it may be tricky to get the bolt out of the socket. It worked beautifully much to my delight! I pulled the bolt and wouldn't you know it I had pulled a few threads :madmax: I ran a tap through and cleaned it up but was not comfortable torquing it down. "Signpost" puzzle from Tatham's collection. These works really well Mechanical disc brakes lacking stopping power. The kit costs about 40 bucks at NAPA. 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. It pulled like cheese well below the stated torque spec. 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. 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. Never greased the channels, is this really a normal maintenance thing? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. We welcome your comments and I once managed to break off one on my Lupo 3L. The longer one goes on the bottom I believe. Yeah its' like 21 or so foot lbs. Fixed brake caliper. Take your strip pin to a NAPA center and see what they have. The how-to did not prepare me for this so I hope someone finds this info useful. What are my best options here? Sometimes you eat the trail, sometimes the trail eats you. Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, and more for the SJ, XJ, KJ, KK, KL series and Grand Cherokee! We need a lot more detail, but brakes are important safety feature, cheapest fix is not the best approach. When youre undertaking brake caliper repair, one thing you might encounter is a cracked dust boot. Please contact us if you wish to reproduce any content. I got a heli coil kit at NAPA the number is 770-3411. ^^^ Post a good photo, or perhaps a few good photos that show that area. Just pound it over the bolt so it forms "teeth" on the outside of the head of the bolt. 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. Once its seated, check that the piston is square, then use hand pressure to put it in place. Tap the stripped hole to the original size/pitch and install the new bolt. If you can't clean up the hole with a tap then the heli-coil route is the way to go as already mentioned. Take a look at the photos. 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! If you twist the piston, this will help seat the boot properly. I had put a temporary fix in place that may have opened up the threaded hole too much for this to work. 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. Tap it? Super easy and I never had a problem. #1. I ended up putting a thinner washer on the bolt so it could grab more threads, some liquid thread lock, then hand tightened it. The brake hose metal fitting was interfering with upper bolt head, and I think both bolts went crooked because of that. You probably have 2 different length bolts. if you wish to stay logged in. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. When one is gone, the brake will not function properly and soon also the other bolt(s) will strip/break. To learn more, see our tips on writing great answers. I know that I torque mine to about 18 or so. I purchased the helicoil kit for this (M9x1.25). 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. Both Impex and 1stVWparts carry it, but it's not cheap! Upon removing the Guide Pins for the brake calipers 3 of the 4 threaded holes have stripped out of the Hub Carriers. I didn't torque it down; I just tightened it nice and snug. WebStripped thread repair in brake caliper mounting points. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. The Helicoil advice should be taken. 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 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. 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. @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. 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). All information is provided "AS IS." "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. 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. where the allen bolt screws into) on the top drivers side. I can report that the NAPA part seems to work quite well--I installed it in 30 minutes this morning. I can only assume this means I cross threaded it to begin with and have again cross threaded it. For most Just drill out the hole and rethread. Hope that helps. I've seen some hybrid and road forks where it would be a closer call. When calculating CR, what is the damage per turn for a monster with multiple attacks? rev2023.5.1.43405. 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. Jun 14, 2007. The boot needs to go into the bottom on the piston. #1. 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! If your brakes are malfunctioning, stop riding the bike until its fixed. 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. 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. For as much riding as it has seen, it has never come loose--not once. Seeing as how you havn't really badly stripped it out, I'd use some red loctite, and hope for the best. I went to reinstall the front left caliper after replacing the rotor and the hole in the knuckle stripped. The bottom half is stripped out so that it won't torque down very much at all. Hubby's been fighting with it for the last two days. 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). 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. I pulled the bolt out finding the threads with it. To reassemble, reverse the procedures you used to take off the caliper. There is a good write up on how to repair the damage on jeep forum.com. If the piston wont come out easily, work it out with your fingers, and youll see the dust boot. 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.
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