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Old 10-25-2010, 10:02 AM  
Looks at dirty Jeep pics
 
SeanMcGuireXJ's Avatar

Tucson, Arizona
Join Date: Oct 2010
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Need Some Help with Brakelines

I've been messing with this stuff for a week now. I put a new master cylinder in my Jeep and stripped a nut. Replaced that nut and made flare after flare, new lines, more new lines, this thing still leaks. Luckily I carpool to work, but it was my turn this week and I'm gonna owe my buddy some beer.

Can anybody come over to Lakeside and tell me what I'm doing wrong?
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Old 10-25-2010, 07:52 PM  
Tea Party Liberal

Mesa, Az
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Did you double flare your brake lines? If not; they sure as hell will leak. I'm assuming you a Jeep with 'normal' SAE lines.
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Old 10-25-2010, 08:53 PM  
Looks at dirty Jeep pics
 
SeanMcGuireXJ's Avatar

Tucson, Arizona
Join Date: Oct 2010
Posts: 155 | Kudos: +13
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I did double flare them, and I even tried a bubble flare today to use a machine-made double flare to make sure it was square. Then I matched it up to the prop valve...hey waitaminute - that ****ing thing inside is SMOOSHED!

Anybody got a proportioning valve for a non-ABS Jeep, or even an adjustible block that takes all 3/8" fittings?
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Old 10-25-2010, 08:59 PM  
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California
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Time for a junk yard run!
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Old 10-27-2010, 07:45 AM  
Looks at dirty Jeep pics
 
SeanMcGuireXJ's Avatar

Tucson, Arizona
Join Date: Oct 2010
Posts: 155 | Kudos: +13
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I've got one coming in the mail - hope I don't screw this one up!
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Old 10-27-2010, 07:58 AM  
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California
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Are you using the 3/4 rounded brake fitting wrench? If not, I highly recommend it because the brass fittings are easy to round over and stop from having a tight fit.
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Old 10-27-2010, 08:46 PM  
I Sank Your Battleship
 
ChrisNukemYJ's Avatar

Tucson, Arrenizona
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I could prolly help on one of my days off.
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Old 10-28-2010, 07:20 AM  
Looks at dirty Jeep pics
 
SeanMcGuireXJ's Avatar

Tucson, Arizona
Join Date: Oct 2010
Posts: 155 | Kudos: +13
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Hopefully I'll have the replacement prop valve today. The fittings are actually steel, and I was using flare wrenches when I stripped the fitting in question. It was on so tight that I'm thinking that I was not at fault with the whole leaking business; maybe it got fubar'ed at the assembly line?

Thanks Chris for offering to help. I'm off on weekends, but I might have to take more time off if this doesn't work out.

If anybody has a "GOOD" flaring tool I could borrow, I could pay you back somehow. I'm gonna have to cut the line on the rear axle too - it's fused on there just like my front lines were and now that nut is stripped.
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Old 10-28-2010, 08:56 PM  
Looks at dirty Jeep pics
 
SeanMcGuireXJ's Avatar

Tucson, Arizona
Join Date: Oct 2010
Posts: 155 | Kudos: +13
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BOOOOOOOOOOOOOOOOOOOOO!

The prop valve arrived and it's almost as bad as the one I already have. To make matters worse, I'm gonna have to cut the lines off to get the old one out, and that means I need new lines. Again.

Jegs FTW! Wilwood prop combo valve and a coil of brakeline that should be easier to flare than the crap I got at Autozone. Happy birthday to me, somebody smack the crap outta me!
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Old 10-28-2010, 09:02 PM  
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California
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Actually, I had the same problem with my brake lines. I ended up using vice grips to bust the seal on the factory fitting but it didn't matter because I extended the rear lines and used flexible stainless steel line.
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