CJ brake caliper removal - size of bolt head??? - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 09-21-2005, 08:20 PM Thread Starter
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CJ brake caliper removal - size of bolt head???

Taking my junk apart t-nite to replace a broken wheel lug...

Went to take the brake caliper off, and found that none of my Allen wrenches fit: 1/4" too small, & 5/16ths too big... [img]/ubbthreads/images/graemlins/bs.gif[/img] WTH???? (None of my 3 different sets of Allen wrenches had one that'd fit. [img]/ubbthreads/images/graemlins/cussing.gif[/img] )

Is that a special (non-standard) bolt head - 9/32nds? [img]/ubbthreads/images/graemlins/wall.gif[/img]
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post #2 of (permalink) Old 09-21-2005, 08:24 PM
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Re: CJ brake caliper removal - size of bolt head???

Mine was a 1/4 inch. Maybe yours is stripped out? The book says its supposed to be a 1/4 inch too.
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post #3 of (permalink) Old 09-21-2005, 08:29 PM
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Re: CJ brake caliper removal - size of bolt head???

Nope, standard size. Somebody probably rounded it out. I tap on ‘em with a hammer to loosen it up before I try to unscrew. You’re in luck though, tap on the head of the screw good, grab it with a pair of vice grips and unscrew.
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post #4 of (permalink) Old 09-21-2005, 08:31 PM Thread Starter
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Re: CJ brake caliper removal - size of bolt head???

Nope, not 1/4" I was able to weasel my fat head back there to look as I put the 1/4" in, and it was not rounded... just a tad too big.

To make sure, I checked my other Scrambler and it WAS 1/4". Then, finally, to confuse things even more, I checked the OE CJ axle, and it was also between 1/4" and 5/16"... and <u>not</u> rounded out.
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post #5 of (permalink) Old 09-21-2005, 08:50 PM
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Re: CJ brake caliper removal - size of bolt head???

While I have seen after market caliper pins with 1/4" hex the stock 198x to 1986 caliper pins are Torx - T45.

Wanna borrow my glasses Jerry?

[img]/ubbthreads/images/graemlins/40BEER.gif[/img]
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post #6 of (permalink) Old 09-21-2005, 09:31 PM
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Re: CJ brake caliper removal - size of bolt head??

The YJ was 7mm
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post #7 of (permalink) Old 09-21-2005, 10:10 PM Thread Starter
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Re: CJ brake caliper removal - size of bolt head???

[ QUOTE ]
While I have seen after market caliper pins with 1/4" hex the stock 198x to 1986 caliper pins are Torx - T45.

Wanna borrow my glasses Jerry?

[img]/ubbthreads/images/graemlins/40BEER.gif[/img]
Dale

[/ QUOTE ]

No $h!t!?!?! Those numbnutz actually put torx( [img]/ubbthreads/images/graemlins/cussing.gif[/img] ) on the calipers?!?! Torx anywhere is dumb, but on the calipers really takes the cake. Morons! [img]/ubbthreads/images/graemlins/cussing.gif[/img]

Thanks for the offer Dale, but I've got my own (glasses)... maybe it's time I started wearing 'em, eh? [img]/ubbthreads/images/graemlins/blush.gif[/img]
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post #8 of (permalink) Old 09-22-2005, 08:35 AM
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Re: CJ brake caliper removal - size of bolt head???

If the 1/4" is a little too big to fit, you need a larger hammer. [img]/ubbthreads/images/graemlins/grin.gif[/img]
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post #9 of (permalink) Old 09-22-2005, 03:55 PM
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Re: CJ brake caliper removal - size of bolt head??

[ QUOTE ]
The YJ was 7mm

[/ QUOTE ]

So are AMC Eagles of the same era. Still have that special 3/8" drive 7mm hex key.

[img]/ubbthreads/images/graemlins/40BEER.gif[/img]
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post #10 of (permalink) Old 09-22-2005, 07:25 PM Thread Starter
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Re: CJ brake caliper removal - size of bolt head??

You da man Dale... T45 fit right in and worked like a wonder. Once off, I noted one looked like a Torx, but the other really did look more hex, than Torx. But, it came off and that is all that really counts.

FWIW, my Haynes manual indicates 7mm was the size of the 82 & 83 models.

Thanks again Dale!
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