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SV650.org - SV650 & Gladius 650 Forum (http://forums.sv650.org/index.php)
-   SV Talk, Tuning & Tweaking (http://forums.sv650.org/forumdisplay.php?f=111)
-   -   Caliper questions (http://forums.sv650.org/showthread.php?t=160195)

hongman 05-12-10 04:12 PM
Re: Caliper questions
 
Mm ok.

Reinstalled the fronts today and bled them through, lovely jubbly.

Took rear off, but this time left banjo on til caliper was off the bike so I could take out the pads and pump them out a bit. One piston is stuck, the other was doing all the movement.

Problem is, I cant get the god damn hex bolts out to split the caliper. Tried 3-in-1...think I really need a rachet hex rather than a t-hex tool which I'm using.

Maybe if I re-bolted it to the bike too....

:(

hongman 05-12-10 04:15 PM
Re: Caliper questions
 
Oh and I lost the screw that holds the metal braket onto the front brake res...anyone got a spare? ;(

barwel1992 05-12-10 04:15 PM
Re: Caliper questions
 
i all ways use a ratchet hex, i find they do less damage to the bolts and you can use more torque because of the ratchet size (leverage)

andrewsmith 05-12-10 04:24 PM
Re: Caliper questions
 
The rear I split needed a ratchet hex. £5 from Halfords (3/8ths drive) and the new socket head bolts are £4 on ebay

hongman 05-12-10 04:49 PM
Re: Caliper questions
 
Thanks.

Nothing like being prepared eh!

andrewsmith 05-12-10 04:52 PM
Re: Caliper questions
 
mate I had to buy one to do the rear. You got a breaker bar or large torque wrench, as I had to use a 2ft breaker bar and it still took a lot of effort.

Which piston is stuck BTW?

hongman 05-12-10 04:54 PM
Re: Caliper questions
 
Its the piston on the same side as the banjo bolt.

Halford trip tomorrow I guess...

yorkie_chris 05-12-10 04:57 PM
Re: Caliper questions
 
If it is same side as banjo then knock piston out through banjo hole if you already split caliper.

I have had to drill a few caliper bolts out, they can seize badly. You can mix a bit of acetone and ATF for some very effective penetrating oil and let it soak into the bolt from the back. I think acetone is the ingredient they took out of it when penetrating oils started being sh*t a few years ago.

andrewsmith 05-12-10 05:01 PM
Re: Caliper questions
 
Quote:
Originally Posted by yorkie_chris (Post 2435410)
If it is same side as banjo then knock piston out through banjo hole if you already split caliper.

I have had to drill a few caliper bolts out, they can seize badly. You can mix a bit of acetone and ATF for some very effective penetrating oil and let it soak into the bolt from the back. I think acetone is the ingredient they took out of it when penetrating oils started being sh*t a few years ago.
Easiest way is as YC said. Save damaging the piston with moe grips.

I think it was Acetone that was banned for penetrating oils, as it was Benzine that was banned as a degreaser

yorkie_chris 05-12-10 05:05 PM
Re: Caliper questions
 
Never use mole grips on pistons, there is always a better way.

It was trike they banned as degreaser... trichloroethylene


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