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post #1 of (permalink) Old 07-17-2003, 08:55 AM Thread Starter
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O/T - Brake problem

i was replacing the front pads on the buick yesterday and noticed the bottom caliper bolt on the passenger side came out awful easy. when i went to reinstall it, i realized there were maybe 2 threads left in the hole. (checking P.O.'s records, last place it had been to is brakes plus, thanks a lot, guys)

the buick has a nonremoveable caliper bracket, that is it is integrated into the hub/knuckle assembly, so i can't replace the caliper bracket.

i came up with a temp fix of filling the hole with some jb weld and putting it back together. it has held for 2 days but is by no means a safe or permanent solution.

im looking for a more permanent/safe fix on this. my ideas are basically drill/tap it oversize then find a caliper bolt to work that is larger. this would be very difficult as i have to do it on-car, and im not sure i could find a suitable bolt for the application. it is the standard GM 3/8 allen drive bolt.

anyone else have any suggestions?

it is a 1992 buick century.

thx much!
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post #2 of (permalink) Old 07-17-2003, 09:11 AM
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Re: O/T - Brake problem

Have you thought about trying a Helicore (Helicoil)? Drill out/tap your hole then replace with threads that match your existing bolt.

Scott
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post #3 of (permalink) Old 07-17-2003, 09:17 AM
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Re: O/T - Brake problem

I'd imagine Tapping that metal is gonna be pretty tough! hope you have a plan for when that Tap breaks off in the caliper bracket [img]images/graemlins/censor.gif[/img]
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post #4 of (permalink) Old 07-17-2003, 09:30 AM Thread Starter
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Re: O/T - Brake problem

well, it looks like the threads came off easy enough, so it cant be too tough, right? (haha)

yeah i forgot about helicoils. that might work. i guess it wont get much worse. unless i do break a tap in there. hmmmmmmm im gonna need some beer for this one.
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post #5 of (permalink) Old 07-17-2003, 09:43 AM
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Re: O/T - Brake problem

jut rememebr when Tapping a something like this... Lube it.. PB Blaster or the like will work good. and once you get the threads started, 1/4 turn and back out, 1/4 turn further, and back out. that keeps te threads clean and the tension on the tap as litle as possible to help keep you from breaking it. just take you time and this idea should work.
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post #6 of (permalink) Old 07-17-2003, 09:51 AM
 
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Re: O/T - Brake problem

Since you are dealing with brake components, you might want to check out timeserts at timesert They are one solid piece and are better then helicoils. This is however reflected in the price.

Brian


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post #7 of (permalink) Old 08-12-2003, 12:06 PM Thread Starter
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Re: O/T - Brake problem

i was looking at advance auto parts' website today for 14 bolt disc brake conversion parts and prices, and noticed a "OS caliper bolt" in the hardware section. sure enough, i searched under the buick and they list one. it's made by that HELP! company. im gonna go check it out this afternoon. maybe that'll fix it.
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