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1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

brake leak???

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Old Aug 3, 2006 | 07:05 PM
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84tealbeast's Avatar
84tealbeast
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brake leak???

in my master cylinder my rear brake fluid always gets low, and i cant find a leak anywhere, idk how its gettin low all the time, i gotta add fluid every other day or so, could it leak from the master cylinder any where, i checked all the connections and their tight, im clueless.
 
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Old Aug 3, 2006 | 07:41 PM
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From: kirksville mo
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Have you checked where the master cylinder meets the brake booster? sometimes it's hard to tell it's leaking there. mine was,and it was going into the booster which ruined the booster. just a thought.Dave
 
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Old Aug 3, 2006 | 07:44 PM
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The other place possible is the BPPV bolted to the frame.
 
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Old Aug 3, 2006 | 07:45 PM
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wheel cylinder maybe?
 
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Old Aug 3, 2006 | 07:54 PM
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Have you checked the inside of the rear tires? may be a seal on a wheel cylinder.
 
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Old Aug 3, 2006 | 09:50 PM
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the wheel cylinder is the little barrel lookin thing right, that sits between the shoes lol, good description huh, yea i plan on replacin alot of things that have to do with stoppin. i bought a new master cylinder and one of the break lines that hooks to it, wants to strip, whats an alternative to gettin it off, replace the whole line.
 
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Old Aug 3, 2006 | 09:52 PM
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i read somewhere, where someone put a F250 brake booster on his f150, is that a direct fit or not, i guess if it went in it would be better then the f150's booster huh?????????
 
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Old Aug 3, 2006 | 10:02 PM
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The wheel cylinder is the thing on the top...

You need to get new wheel cylinders, brake pads, brake hardware kits, lines, an most likely a proportioning valve... They dont make the OEM ones anymore, best bet is to go with an aftermarket one. Find a parts store with one that you can accually hold in your hands, and make sure it's what you need... I need to find one

~Nate
 
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Old Aug 4, 2006 | 12:13 AM
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Before you go spending all that money,,,why don't we find the leak first ?

Start with Pulling the Master cylinder off the booster and check for a brake fluid leak out that back seal.

If that isn't leaking, jack the back of the truck up to inspect the drums,shoes & wheel cylinders on both sides
Make sure you have alternate transportation to get new parts


Do this and get back to us with the results of the inspection.


Here's what you will be looking at

 
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Old Aug 4, 2006 | 05:03 AM
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this weekend im checkin the brake cylinder, might as well replace them, after all i got the rear end from a salvage yard.
 
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Old Aug 4, 2006 | 12:56 PM
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and here I thought you had already checked the obvious places
 
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Old Aug 5, 2006 | 09:32 AM
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From: gloucester va
Originally Posted by 84tealbeast
the wheel cylinder is the little barrel lookin thing right, that sits between the shoes lol, good description huh, yea i plan on replacin alot of things that have to do with stoppin. i bought a new master cylinder and one of the break lines that hooks to it, wants to strip, whats an alternative to gettin it off, replace the whole line.
let the line break, but when you go to get the new lines bring in the old ones including the fittings. this way the parts guy can match up everything instead of going back there a couple of times like I had to do
 
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Old Aug 6, 2006 | 05:20 PM
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yes I agree with jinserra, take your old parts in. I got to know the employees of the closest O'Reilly's real well when I replaced my brakes a few months ago.
 
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