![]() ![]() What would you be doing in the situation? I have my local shop on call as a absolute worst case scenario. I’m willing to buy an extractor set and drill bits and go to town, If that’s the best possible solution for this issue. Using a hand impact driver, the type used with a hammer, works best for me. So what I’m asking is what would be the best possible attack on this without damaging any threads or the caliper bracket or anything like that? We drill until we run out of bits or break off a bit in the middle of the screw. Use a bit that is roughly one-quarter the diameter of the bolt and drill it out. Just like you would using the extractor, you want to use a hammer and a center punch to mark the center of the bolt. So as I stand now, I can’t get the rotor or caliper bracket off to replace the parking brake hardware and shoes because I can’t get the caliper bracket bolt out to remove the caliper and the bracket Center punch the broken bolt as close to the center as possible. So far so good but the last bolt of the job, a 14 mm caliper bracket bolt snapped as I was tightening it down … I could only think because I was getting tired and I decided to put a extension pipe on the tool and it gave me way too much leverage. I was going to work in steps, do all the brakes first then re-attack the rear parking brakes a day or two later. Remember many small steps to success is better than one giant leap to failure.Long story short I upgraded the brakes rotors pads and was going to replace all the hardware/shoes in the parking brake system. H800 Line: BHH 2.5 (2) Check Vehicle Fit Select a store to see pricing & availability or search by City & State or Zip: Find 1 Year Limited Warranty Material: Steel Thread Size: M12-1.25 Thread Type: Metric Compare BrakeBest Caliper Bolt - H801 Part : H801 Line: BHH 5. I actually had a wheel nut take the force of a 13 stone man standing on a 4′ breaker and not move, when this method was used the nut started and screwed off by hand. I have found my local Ace Hardware to be a good source for Metric Class 10.9 bolts. ![]() I bit the bullet and bought new bracket bolts from the Subaru dealer. Heat to a dull red with Oxy/Acetylene and quench immediately with cold water. When I broke the caliper mount when I did a brake job I just got a rebuilt caliper and was done. Favorite method, used on Fordson tractor wheel nuts and similar. ![]() Also be careful of finishes around the work area, a welder, even a mig can do damage. ![]() For the really stubborn stuff a mig welder is a godsend but you have to understand when you go down this rout the bolt, stud or whatever will be unusable. Sometimes an impact driver works wonders on smaller diameter fasteners, it doesn’t apply too much torque preventing breakage but hits it repeatedly which can break the corrosion’s grip. Be conscious of the diameter of the threaded parts a 6mm m/s bolt will not survive the attention of a 3/4″ socket and 3′ breaker bar. If I’m planning to work at the thing on say Saturday I will do this each evening from Wednesday. If you can heat the item normally by running the engine or taking it for a run do so and as soon as your back spray liberally with release oil of your choice and let it cool completely, overnight if possible. Then you can either take your caliper to a machinist, or you can use a lot of PB blaster, and go buy a good bolt extractor set. ago Well, you need to then remove the mounting bracket from the hub. Cheap sockets or wrenches make rounded corners almost certain. 6 6 comments Top Add a Comment projektnitemare13 12 yr. Firstly make sure your tools are a good, tight fit on the fastener. I’ve spent a lifetime fixing, restoring and repairing old cars, bikes and tractors and corroded in bolts and studs are a constant pain. ![]()
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