95 Dual diaphram booster/master cylinder upgrade - Page 2 - JeepForum.com

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post #16 of 69 Old 11-13-2011, 01:57 PM
rap169
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Damn if I jnew this a cpl weeks ago, I just srapped the remaining parts off my 95 parts jeep I had. I could have saved thise parts for my 88 im building. Grrrr

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post #17 of 69 Old 11-13-2011, 03:14 PM Thread Starter
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Quote:
Originally Posted by rap169
Damn if I jnew this a cpl weeks ago, I just srapped the remaining parts off my 95 parts jeep I had. I could have saved thise parts for my 88 im building. Grrrr
That's to bad, you could've saved a little money and time. These things are getting hard to come by. You can still find them on car-part.com sometimes.

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My brake boster/master cylinder upgrade:
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post #18 of 69 Old 11-13-2011, 03:52 PM
rap169
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Yes I get in a hurry sometimes tring to clean up and not realky realizing that it was anything worth keeping. Figures. Lol oh well lesson learned .
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post #19 of 69 Old 12-27-2011, 12:15 PM
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Yes - don't throw anything away! I tossed my leaking '87 booster, and I am pretty sure that the brake switch bolt, and other fittings went in the recycle bin with it. Can't find the spacers anywhere! If you can provide a picture of the switch in-place, I would really appreciate it and maybe I piece this back together.

Also, I think that I am missing a seal or something where the pushrod passes through the fire wall. As shown in the picture, the rubber seal does not reach the firewall and it looks like a direct path for water into the cab. I noticed in another writeup that original '95 bracket looks more like a pipe section that the rod passes through and appears to be weather tight. I have the '87 bracket, which looks like the one you have. Did you do anything else to seal it, or did I throw out a crucial part? thanks
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post #20 of 69 Old 12-27-2011, 02:25 PM
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Do you need to upgrade the proportioning valve?
I wish I went with this instead I went with the upgrade of my brake master cylinder(4 wheel disk and hydro boost) and proportioning. Is this upgrade better for me since I have an 8.8 disk I'm going to be running 35 maybe someday bigger.
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post #21 of 69 Old 12-27-2011, 03:37 PM
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Does anyone know if the 95 with the 2.5 had this double diaphram booster/master cylinder or was it only the 4.0's. I would think both have it but you never know.
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post #22 of 69 Old 12-27-2011, 03:49 PM
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Pretty sure it's just on the 6 cyl.

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post #23 of 69 Old 12-27-2011, 06:58 PM
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Hmm I will have to Google it I would think they would be the same since everything else is except the engine. If its not guess I will be doing this mod to whenever this new 2 month old master cylinder wears out.

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post #24 of 69 Old 01-02-2012, 06:28 PM Thread Starter
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Quote:
Originally Posted by shoreline
Yes - don't throw anything away! I tossed my leaking '87 booster, and I am pretty sure that the brake switch bolt, and other fittings went in the recycle bin with it. Can't find the spacers anywhere! If you can provide a picture of the switch in-place, I would really appreciate it and maybe I piece this back together.

Also, I think that I am missing a seal or something where the pushrod passes through the fire wall. As shown in the picture, the rubber seal does not reach the firewall and it looks like a direct path for water into the cab. I noticed in another writeup that original '95 bracket looks more like a pipe section that the rod passes through and appears to be weather tight. I have the '87 bracket, which looks like the one you have. Did you do anything else to seal it, or did I throw out a crucial part? thanks
PM'd you. Here are a few pics of the switch:





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:
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post #25 of 69 Old 01-02-2012, 06:29 PM Thread Starter
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Quote:
Originally Posted by Siva283
Does anyone know if the 95 with the 2.5 had this double diaphram booster/master cylinder or was it only the 4.0's. I would think both have it but you never know.
Only used on the 95 6 cylinder model.

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:
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post #26 of 69 Old 01-02-2012, 06:59 PM Thread Starter
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Quote:
Originally Posted by spawnofsatan View Post
Do you need to upgrade the proportioning valve?
I used the stock proportioning valve and am having no issues.

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:
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post #27 of 69 Old 03-03-2012, 12:49 PM
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I lost that foam seal by the fire wall too. I just did this upgrade with partsd from NAPA, under $200. I used a peice of copper pipe foam insulation, works. I have to bleed them again, but big improvement. the peddle seems to have alot of travel, is this right? I pulled the old MC and Booster off, and let the brakes completely drain, then installed the new MC after bench bleeding, and let it gravity bleed. any hints or tricks would be great.

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post #28 of 69 Old 03-03-2012, 03:17 PM Thread Starter
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Make sure you pressure bleed them, have someone in the Jeep pumping the pedal or take it somewhere that has an air pressure bleeding system.

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My brake boster/master cylinder upgrade:
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post #29 of 69 Old 03-13-2012, 07:54 AM
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yeap... thats what i need to do.

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post #30 of 69 Old 05-20-2012, 04:51 AM
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Right now you can't find any 95 Boosters, they are all bought from the same source A1Cardone or something like that, and they don't have any. The parts number (54-73153) are all the same at every major parts retailer. Anyway I was actually able to find one on Ebay. So try that route also if you can't find it anywhere.

BTW great thread!~


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