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Old 20-03-2019, 23:10   #1
Ssbd7
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Brembro help to split callipers

Trying to split these callipers for refurbishment but canít budget these bolts, was going to drill the heads of and try it that way, unless anyone can help otherwise, but if I do drill them out where can I get replacement bolts from,,,
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Old 20-03-2019, 23:16   #2
Edkeo
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You can get rebuild kits for them but if I was you I’d be looking for a decent second hand set
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Old 20-03-2019, 23:45   #3
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I’m going to get them vapour blasted then powder coated, but having difficulty splitting them, the bolts are solid, any ideas where to get new bolts
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Old 21-03-2019, 00:41   #4
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Originally Posted by Ssbd7 View Post
Iím going to get them vapour blasted then powder coated, but having difficulty splitting them, the bolts are solid, any ideas where to get new bolts
Try and heat the area around the bolt gently with a heat gun .
Don't use a blow torch
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Old 21-03-2019, 08:59   #5
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Be there all day with a heat gun haha...going to try again today but heat the opposite side where the thread is hopefully get some movement, if not I’ll drill the heads of them
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Old 21-03-2019, 12:57   #6
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Originally Posted by LEGNUMVR4 View Post
Try and heat the area around the bolt gently with a heat gun .
Don't use a blow torch
Heat gun will be no good. It's fine to use a torch, MAP gas is what I use in situations like this. Alloy melts at over 700 Deg so long as you don't hold the heat on it for a very long time it's fine.

Support the calliper in a vice, heat up the area around the bolt but avoid the bolt as much as possible as you're looking at heating up the alloy which expands quicker than steel. I haven't mentioned minding the seals as I'm sure they are being replaced

It will also help to give the bolt a short sharp wack with something like a 3/4 ratchet extension on the the head. I'm assuming here that the hex in the head is in a decent enough condition.

If you've rounded the bolts at all then it's drilling time and easy outs etc . But still use the heat method.

Finding the bolts is the least of your problems they are ten a penny.

Good luck... its all doable.
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Old 03-04-2019, 20:44   #7
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Great info mate ,, but unfortunately broke a bleed nipple flush trying to take it of so now currently trying to drill out and use a tap and dye set to re thread the thing,,,where’s the best place to get the new bolts for callipers
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Old 24-04-2019, 02:49   #8
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Great info mate ,, but unfortunately broke a bleed nipple flush trying to take it of so now currently trying to drill out and use a tap and dye set to re thread the thing,,,whereís the best place to get the new bolts for callipers


i know Where you can source the bolts !
ill leave the contact info...
contact you tomorrow








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Old 24-04-2019, 21:05   #9
andymrfq320
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i put a long bar on beefy allen key and cracked them with the caliper in a vice.
i'm gussing you've probably already tried that though?
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Old 25-04-2019, 00:14   #10
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How did you break a bleed nipple trying to split 2 calliper halves ?
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Old 25-04-2019, 04:03   #11
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How did you break a bleed nipple trying to split 2 calliper halves ?


i use heat before i use the spanner...don't go mad with the blow lamp...works a treat




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