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Old 10-21-2011, 11:10 PM   #1
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Exclamation rusted and stuck brake bleeder valves!

just wondering if anyone had any tips on how to loosen my rusted brake bleeder valves. they r super rusty and wd-40 did not seem to do the trick. so im letting it soak over night and going to attempt to bleed my brakes tomorrow. is there a good method to get it loosened without stripping the bolt?need advice thank you!

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Old 10-21-2011, 11:33 PM   #2
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Vise grips that's what I used. Then I replaced the bleeder screws.

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Old 10-21-2011, 11:42 PM   #3
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Best fix

New calipers and/or wheel cylinders. Depending on how bad the rust issue is. You could break off the bleeder, and have to replace them anyway. Best case senario, the Vice-Grips work and you only have to replace the bleeder. Something will be replaced.
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Old 10-22-2011, 01:31 AM   #4
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okay thanks! i will go ahead and try the vice grips then just replace the bleeder screw because it will most likely get messed up haha. Another question would be about the clutch bleeder screw. two wrenches are needed on the bottom bolt and the bleeder screw and twisting them in the opposite loosening direction should work but i cant seem to get it loose and using a vice grip may twist and kink the metal line, any tips on how to get that one off?????
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Old 10-22-2011, 04:31 AM   #5
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My first advice is to use all six pointed closed end wrenches and/or sockets. When things get rusted up and seized, using a 12 pointed wrench/socket will typically only round the edges of the nut/bolt.

Once a rusted fastener is broken free, it important not to back it out in one continuous torque in one direction. Once broken free, hit it with some WD40 or other oil and work it back and forth until it begins to feel loose. Then back it out some more and when it binds a little, work it back and forth until it loosens up. I've used this method on lots of fasteners and have had a lot of success without breaking them.

Once you get it apart, use a thread restorer to make the threads cleaned out so that you can thread them together by hand. I bought a thread restorer kit from Sears and it was worth the $50.00 I spent on it.

To get the bleeder for the clutch open, use a six sided wrench that will slip over the round part of the device and another smaller six sided wrench to torque on the valve. Mine was seized but came loose with the use of six sided wrenches (not 12 pointed ones).
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Old 10-22-2011, 08:57 AM   #6
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Ive had luck on some bleeders and brake lines by tightening them before I tried to loosen them also some times a rap with a hammer also works
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Old 10-22-2011, 10:21 AM   #7
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I always use a 6 point socket on a ratchet, smack it with a deadblow hammer. Any hammer will work, but I don't like metal on metal contact with my good tools.

I've always had luck with that method.
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Old 10-22-2011, 10:26 AM   #8
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^^ on the brakes, that method works well. On the tranny bleeder, the wrench holding the round part of the connection would have to be supported against something. I just muscled mine loose one wrench torquing against the other.
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Old 10-22-2011, 04:31 PM   #9
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Quote:
Originally Posted by yj93ben View Post
New calipers and/or wheel cylinders. Depending on how bad the rust issue is. You could break off the bleeder, and have to replace them anyway. Best case senario, the Vice-Grips work and you only have to replace the bleeder. Something will be replaced.
^ this, and you can normally get loaded calipers, buy 2 and you save on brake pads!
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Old 10-22-2011, 04:47 PM   #10
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heat

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