95 Dual diaphram booster/master cylinder upgrade - Page 4 - JeepForum.com
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post #46 of 69 Old 05-23-2012, 09:52 PM
FunkSkunk
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dude THERE ARE NONE AT NAPA, AUTO ZONE, OREILLY, ADVANCE, ETC... it doesn't matter where you check they all buy them from the same supplier. The only way to find one right now is on ebay or some random shop that has one sitting on the shelf.

BTW OP, those line adapters are a pain to track down!

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post #47 of 69 Old 05-24-2012, 11:36 AM
captainauti
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line adapters in stock at my local napa. had plenty.

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post #48 of 69 Old 05-24-2012, 11:45 AM
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Quote:
Originally Posted by FunkSkunk View Post
dude THERE ARE NONE AT NAPA, AUTO ZONE, OREILLY, ADVANCE, ETC... it doesn't matter where you check they all buy them from the same supplier. The only way to find one right now is on ebay or some random shop that has one sitting on the shelf.

BTW OP, those line adapters are a pain to track down!
I couldn't locate one at any parts shop or on-line.
Here's what I did and it worked great!
http://www.jeepforum.com/forum/f12/0...my-yj-1177891/

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post #49 of 69 Old 05-24-2012, 02:12 PM
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Captain can you post the part number and cost?
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post #50 of 69 Old 05-24-2012, 05:09 PM Thread Starter
5.7YJ
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Quote:
Originally Posted by FunkSkunk
dude THERE ARE NONE AT NAPA, AUTO ZONE, OREILLY, ADVANCE, ETC... it doesn't matter where you check they all buy them from the same supplier. The only way to find one right now is on ebay or some random shop that has one sitting on the shelf.

BTW OP, those line adapters are a pain to track down!
You need to find a parts store that caters to repair shops, parts guys at retail type parts stores usually are not the best to help you with finding things. Those Edelmann fittings should be easy to find or order with the part numbers.

87 YJ, TPI 5.7, 700R4, NP231, BDS 3.5" lift, 1" front & 5/8" rear boomerang shackles, Rubicon Dana 44 rear axle, 33" Goodyear Duratracs











My brake boster/master cylinder upgrade: http://www.jeepforum.com/forum/f12/9...grade-1287758/
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post #51 of 69 Old 05-27-2012, 12:14 AM
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Will this upgrade work on a 1985 cj7? I got bad booster and need replace it or upgrade to stop my 35s
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post #52 of 69 Old 05-27-2012, 09:14 AM
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Quote:
Originally Posted by rainjeep View Post
Will this upgrade work on a 1985 cj7? I got bad booster and need replace it or upgrade to stop my 35s
Yes, I know a guy with a CJ7 and a YJ booster. If you've got the means to do some slight mods, I'd go with the TJ set up though. Parts are WAY more plentiful.

BTW, anyone else that may do the TJ set up in the future, if you get the whole set, booster, master, lines, and proportioning valve, the YJ hard lines will attach directly to the TJ prop.

Here's a quick pic of mine.....


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post #53 of 69 Old 05-28-2012, 07:44 PM
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Quote:
Originally Posted by Que89YJ View Post
Captain can you post the part number and cost?
there was a thread i think here with the numbers... i cant find it though.

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post #54 of 69 Old 06-08-2012, 10:20 AM
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Just more tech for the thread...

When you replace the booster make sure your new booster push rod is the exact same length as the OE one. If not you could have squishy brake pedal feel even after bleeding it correctly five million times. Also if you do that and it's still squishy try bleeding the brakes in reverse pattern (DF, PF, DR, PR). I was told that there was something about the line length or something and by reversing the pattern that would take care of the squishy brakes. Sorry i don't remember the details but about why or how it works... but it should work. Anyway I got both of those gems of knowledge from Master Techs.

HTH!
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post #55 of 69 Old 09-25-2012, 09:06 PM
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I have a 95 Booster ordered and was wondering if my E350 MC will bolt up to it? I have an 89 YJ with the factory booster.

Does anyone know why the 95 YJ MC is almost double the price of the 94 and olders?

Hey round eye...
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post #56 of 69 Old 09-25-2012, 09:28 PM
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Quote:
Originally Posted by Snipeston View Post
I have a 95 Booster ordered and was wondering if my E350 MC will bolt up to it? I have an 89 YJ with the factory booster.

Does anyone know why the 95 YJ MC is almost double the price of the 94 and olders?
95 YJ's with the dual diaphragm boosters used a new style MC. Single diaphragm booster equipped YJ's used the same as the earlier years. The MC that comes with a dual diaphragm booster is the same that was carried over into TJ's. They used the same MC in some Cherokee's. So if your buying the newer style plastic reservoir MC its just going to be more expensive.

I remember reading on some forum about the E350 to a dual diaphragm YJ but honestly not sure where or what the result was.

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post #57 of 69 Old 09-25-2012, 09:39 PM
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Quote:
Originally Posted by FunkSkunk View Post
BTW OP, those line adapters are a pain to track down!
I would assume the lines going to the stock prop valve are 3/8 double flare. Im not positive because I put in an aftermarket adjustable distribution block and proportioning valve so I can adjust the rear bias. At the same time I bent all new tubing so nothing is OEM.

If they are 3/8 double flare then NAPA has the adapters. You need a M12x1 bubble flare to 3/8 double flare for the front and M10x1 bubble flare to 3/8 double flare for the rear.

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post #58 of 69 Old 09-27-2012, 07:32 AM
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Quote:
Originally Posted by mazyj View Post
I would assume the lines going to the stock prop valve are 3/8 double flare. Im not positive because I put in an aftermarket adjustable distribution block and proportioning valve so I can adjust the rear bias. At the same time I bent all new tubing so nothing is OEM.

If they are 3/8 double flare then NAPA has the adapters. You need a M12x1 bubble flare to 3/8 double flare for the front and M10x1 bubble flare to 3/8 double flare for the rear.
that sounds right napa had what i needed in stock. i showed them what i had and they found the adapters.

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1973 Wagoneer (honey wagon)
2013 Escape titanium 4wd ecoboost
2011 F150 4x4 5.0 Coyote SVT Supercrew
2008 E450 v10 Jayco Greyhawk 28 (tildah)

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post #59 of 69 Old 09-27-2012, 12:45 PM
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Here is a picture of a stock 93, 4.0L, single diaphram booster next to a 95, 4.0L, double diaphram booster.
I have not seen this picture so I thought I would post it. Stock on the left.

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post #60 of 69 Old 09-18-2013, 06:05 PM
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Why is this not stickied into the FAQ under Brakes?

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