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post #1 of (permalink) Old 09-11-2015, 11:27 AM Thread Starter
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This brake issues

Unfortunately my jeep sits more now than it drives. Few months ago took it out and the right brake locked up, I replaced the caliper as I couldn't get it to release, few weeks later same thing on the other side, same issue Sam remedy. Jeep sat for about a month and I drove it 6 miles to get fuel and when I got there left brake was dragging hard. I was low on time and needed to get back home so I dukes a couple gallons of water on it, dang thing released and went back home fine. I haven't messed with it since. Read it could be the rubber hoses so I grabbed a couple new ones but haven't installed them yet. What am I missing on this thing?

Ya only go around once, best to enjoy it the first trip.
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post #2 of (permalink) Old 09-11-2015, 06:24 PM
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Humm... it's not going to hurt to replace the hoses. Then you'll have a better idea what it's not.

However, since both caliper assemblies were replaced, that doesn't mean that they're good. I'd sure take that one offending caliper apart and look at the cylinder to see if the piston can move easily. If those were rebuilt assemblies, it's possible during the re-manufacturing process a step was missed.

Also, how easy does the assembly retract?

How freely do the disks move?

How clean is the brake fluid?

Those are the things I'd be looking at.
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post #3 of (permalink) Old 09-11-2015, 09:21 PM Thread Starter
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Hey Larry thanks for the reply.
Calipers worked fine when put on I checked them. Released ok, fluid was dirty when I changed calipers so I let it run clean, but that don't mean much, diddn't blow them out. Anti seized everything and greased the slides. I plan to take it back apart next week and check it all again, drain and purge the lines, replace hoses and check anti seize and lube. It felt like a heat issue,, but that's just a feeling.

Ya only go around once, best to enjoy it the first trip.
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post #4 of (permalink) Old 09-13-2015, 10:49 AM
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The dragging is more likely the cause of the heat rather than the other way around.

I'm a big fan of DOT5 silicone brake juice. I rebuilt cylinders and put in new pads and shoes on my '78 in about '82 or '83, and when I started the restoration in '03 the fluid was as clean and clear as the day it went in.

EVERYTHING's easy for the guy who doesn't have to do it.
B. Dash Fabrication
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post #5 of (permalink) Old 09-13-2015, 11:12 AM Thread Starter
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Will dot5 go in mine without issue? I know I need to put new hard lines on it. Not looking forward to that but these are nasty rusted. I am going to replace the main front to back this week if I have enough line in the shop. I should have the main part of my roads done at my property this week and I want to take the family for a ride!

Ya only go around once, best to enjoy it the first trip.
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post #6 of (permalink) Old 09-13-2015, 05:49 PM
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Dot 5 isn't compatible with other fluids. I replaced all the cups and seals as part of the brake job, so it just took a little alcohol to flush everything like new. I've read that just flushing with alcohol is sufficient, but don't know if that's true.

I got stainless steel brake lines from a place called Custom Tubes, or something like that. They also have carbon steel tubes of course. They fit very well, and I recommend them.

EVERYTHING's easy for the guy who doesn't have to do it.
B. Dash Fabrication
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post #7 of (permalink) Old 09-16-2015, 07:51 PM Thread Starter
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Jim a set of stainless lines are definitely on the list.

Ya only go around once, best to enjoy it the first trip.
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