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Unread 05-05-2010, 08:11 PM   #1
rocknjeep
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brake bleeder valve. need some help.

So I had to put in a new master cylinder as my original one took a dump. That in itself turned out to more of a PIA than I had expected with a stuck line fitting. Anyway got it in and dealt with. Bleed 3 of the brakes and got to the final one when I came across a seized up bleeder valve/screw. Any ideas on how to brake this sucker loose? I'm gonna replace them all with new ones ASAP.

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Unread 05-05-2010, 08:14 PM   #2
rustywrangler
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If you are gonna replace em, vice grips.
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Unread 05-05-2010, 08:22 PM   #3
rocknjeep
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I tried my grips out on it for a bit but it didn't budge. Just rounded it more. Maybe I should hit it with some PB first?
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Unread 05-05-2010, 08:26 PM   #4
Burnerman
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front or rear? Rear wheel cylinders are less then $20 ea.
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Unread 05-05-2010, 08:26 PM   #5
rustywrangler
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What one is it, front back???? YES PB it, maybe overnight.
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Unread 05-05-2010, 08:41 PM   #6
rocknjeep
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It's in the front.
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Unread 05-05-2010, 08:42 PM   #7
rustywrangler
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UGH, on a caliper. I would spray PB and let it sit overnight.
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Unread 05-05-2010, 08:42 PM   #8
Mark05059
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straight jawed vise grips.. the rounded ones dont seem to grab as well..
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Unread 05-05-2010, 08:46 PM   #9
Burnerman
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You could try a small (6") pipe wrench. Just be sure to grab it as close to the caliper as possible. They snap off pretty easy. Soak it in PB for sure. DO NOT heat it.
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Unread 05-05-2010, 09:02 PM   #10
dagoober
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i just had the same thing happen with my front left caliper. i wrenched on it too hard and it eventually snapped. i ended up trying to use an easy out (NOT RECOMMENDED!) and it broke inside of it. i ended up prying the easy out from the valve and drilling it but i screwed the threads and the hole was too big when i retapped so i just got a new caliper.
you could propably drill it out if youre careful but its a lot easier to buy a 30$ caliper.
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Unread 05-05-2010, 09:12 PM   #11
ritjobbie
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Nobody suggested heat yet? I've had luck with heat on a stuck bleeder before. I've also snapped them off inside.
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Unread 05-05-2010, 09:28 PM   #12
Burnerman
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Quote:
Originally Posted by ritjobbie View Post
Nobody suggested heat yet? I've had luck with heat on a stuck bleeder before. I've also snapped them off inside.
I've seen people have bad luck with heat and cook the seals and fluid out of brake parts.
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Unread 05-05-2010, 11:29 PM   #13
rocknjeep
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thanks a lot guys. and yea it's my front left. im gonna go pick up some straight jawed vice-grips tomorrow and hit it with pb and let it sit a few hours then see how we do. i'll keep you updated.
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Unread 05-06-2010, 06:56 PM   #14
rocknjeep
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got that sucker busted off today and put in some new ones. brakes are all good now. thanks for all the help guys.
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