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Kruizen
Posted on Thursday, January 05, 2012 - 07:24 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Ok so I'm getting ready to replace my pads and change the brake fluid, but I'm having a major issue loosening the 2 Caliper Mounting Fastners holding the front caliper.

I'm using a 4mm socket bit but am extremely worried about striping the head. Is there a lot of tread lock on those bolts??
ANY suggestions would be helpful

edit: realized I spelled fastener wrong in the title.

(Message edited by kruizen on January 05, 2012)
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Chessm
Posted on Thursday, January 05, 2012 - 08:00 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

youre going lefty loosey, right..er correct?
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Kruizen
Posted on Thursday, January 05, 2012 - 09:39 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

yeah - yeah, I figured that was coming.

when I was taking off my passenger pegs I actually snapped a allen/socket in half, there was so much loc tite on the bolts, all four of the bolts threads were completly covered in loc tite.

(Message edited by kruizen on January 05, 2012)
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Timebandit
Posted on Thursday, January 05, 2012 - 11:40 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

heat is your friend.
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Kruizen
Posted on Friday, January 06, 2012 - 08:04 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

What do you think: Hair drier, heat gun or benzomatic???
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Jdugger
Posted on Friday, January 06, 2012 - 08:30 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

The pin hangers or caliper fasteners? The caliper fasteners are 5/16ths drive


Pin hangers are 13-15ft lbs. Loosen w a torque wrench and don't go above 16 or so...
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Kruizen
Posted on Friday, January 06, 2012 - 09:13 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Was actually using an 8mm but I'll go get a 5/16 and try that, wish they would have stuck with either sae or metric for the entire bike.

Thanks
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Kruizen
Posted on Friday, January 06, 2012 - 10:48 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

now i'm f'd, top one came out fine.

Bottom one the allen wrench slipped and started to strip out the bolt. HELP
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Timebandit
Posted on Friday, January 06, 2012 - 11:39 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I hate it when they combine metric and SAE. Some of the small fasteners are so close in size that it becomes hard to be sure that you're always got the right tool in hand.

it's pretty common for bolt faces to fail when threads are seized, or if you make the mistake of using the wrong size wrench and round-off the head. if threads are seized then there's no way to free the fastener without exceeding the torque spec. but if you've rounded-off the allen fitting then you may just have a wrench fitment problem.

it sounds like you've already got a wasted fastener that's going to have to be replaced. at this point you can't save it and your only concern is how to safely get it out.

if you need heat to loosen the threads, i'd try a fine point MAPP gas torch. MAPP burns hotter than propane. you can get it gas at Menards. heat the fastener head with the tip of a fine point flame, then quench the threads with penetrating oil. repeat.

if your allen socket's face is rounding then you may have to (kludge) pound a larger size T-handle allen or Torx into the opening, or use a broken bolt extractor.

good luck!

(Message edited by timebandit on January 06, 2012)
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Nuts4mc
Posted on Friday, January 06, 2012 - 11:48 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

...if you have a gun type weller soldering iron - use "induction heat" by holding the soldering guns tip on the head of the bolt ...at full power for like 5 minutes...it may soften the loctite...some metric/SAE allen head are close in size - you may need an SAE allen wrench to "force fit" into the socket and remove Mr. Bolt....good luck
PS - don't have the equipment? - drill the head off...
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Kruizen
Posted on Friday, January 06, 2012 - 12:48 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Wow haven't heard Menards since I was living in Michigan.

Going to try and drill the head tonight.
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Zac4mac
Posted on Friday, January 06, 2012 - 07:26 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

One of the best "old school Harley" tricks I picked up is - Heat it and Beat it.
Fine point torch and a pin punch for concussion.

An expendable torx driver is your friend.
As is a manual impact driver -





Z
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Dannybuell
Posted on Friday, January 06, 2012 - 07:53 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

One of my first motorcycle tools 1970-71? was an impact driver, metal case and a variety of bits.
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Kruizen
Posted on Friday, January 06, 2012 - 08:29 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

drilled it out, seemed like I was drilling way to deep, but its just a very deep head.

Nice thing is that the bolt is the same bolt that hold on the passenger peg brackets.
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Kenm123t
Posted on Friday, January 06, 2012 - 08:31 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

take your tig welder and turn it down and start the arc at the bottom of allen head or torx bit and heat up the alum corrossion and the loctite. Most of the time its the only way to get rotor carrier bolts out of Tuber wheels
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Timebandit
Posted on Friday, January 06, 2012 - 09:01 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

what's better than a BFH?

a BFH that converts it's whack into rotational energy. : D
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