Power Booster Repair - Vintage Mustang Forums
 
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post #1 of 11 (permalink) Old 01-27-2012, 06:50 PM Thread Starter
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Power Booster Repair

Have 68's with Midland banded boosters. The latest had the typical blown master cylinder (PO must have ignored it for years). So pulled the MC and booster.

More than typical amount of crud/crap/fluid inside the booster. General rule is send for rebuild. Aas the local shops here have a hard time with old school, or want $750 to rebuild, figured "why not". And shipping to/from here to the US adds $250-300 to the cost, not very economical.

In taking it part a few tricky steps to figure out, but overall a pretty easy dissasemble/clean/reassemble.

So the question, if folks sell rebuild kits for MC's, power steering rams and pumps, complete brake systems, etc for the DIY-er how come no one sells as kit of the few simple rubber bits, O-rings, etc required to rebuild a booster? Actually a very simple mechanism...


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8R03S : 76A I 2A 15M 72 5 U
8R01S : 65A B 2A 28M 72 7 5 - Factory GT
8R01C : 65A M 2A 01E 72 2 W - CS/GT
8F01X : 65A I 2G 20E 24 1 U - EXP500 repli-bute

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post #2 of 11 (permalink) Old 01-27-2012, 06:53 PM Thread Starter
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... and I'm working up a DIY guide for the steps I used if anyone is interested...

"Human beings, who are almost unique in having the ability to learn from the experience of others, are also remarkable for their apparent disinclination to do so."
- Douglas Adams



8R03S : 76A I 2A 15M 72 5 U
8R01S : 65A B 2A 28M 72 7 5 - Factory GT
8R01C : 65A M 2A 01E 72 2 W - CS/GT
8F01X : 65A I 2G 20E 24 1 U - EXP500 repli-bute

http://i64.photobucket.com/albums/h1...pr_07_tiny.jpg
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post #3 of 11 (permalink) Old 01-27-2012, 07:17 PM
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Good question. I rebuilt one of mine by patching the old diaphragm. Worked ok for a while then burst a new leak, so I broke down and bought a repro from the local autoparts. It was around 100 USD. Someone probably bought the rights to manufacture the parts (and then didn't) just so we would have to buy a new booster instead of $5 worth of rubber to fix the old one.
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post #4 of 11 (permalink) Old 01-27-2012, 07:36 PM
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I've got a spare Midland booster I kept just in case. I'd like to rebuild it so if mine fails I can just swap it.

Slim

My '64 1/2 vert. Ordered May '64. D code 4 speed, handling package, caspian blue, accent group, Ford blue manual top.

'68 vert. driver. Owned since Apr '78. C code AT, AC, PS, P disc B, PT lime gold, standard black interior and top. NOS RF fender and left quarter.New top and folding glass.
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post #5 of 11 (permalink) Old 01-27-2012, 09:08 PM Thread Starter
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Well, if someone is remanufactuing, that would imply a source for the parts... Curious why this one item is unobtanuim....

I did not have leaks, just needed to clean it up, but did think about the patching. Difficulty would be a flexible enough patch depending on where the hole was. Or if its just old and corroded/degrading, but the one I just worked on was in reall nice condion inside... Ford spec'd some of these parts really well...

"Human beings, who are almost unique in having the ability to learn from the experience of others, are also remarkable for their apparent disinclination to do so."
- Douglas Adams



8R03S : 76A I 2A 15M 72 5 U
8R01S : 65A B 2A 28M 72 7 5 - Factory GT
8R01C : 65A M 2A 01E 72 2 W - CS/GT
8F01X : 65A I 2G 20E 24 1 U - EXP500 repli-bute

http://i64.photobucket.com/albums/h1...pr_07_tiny.jpg
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post #6 of 11 (permalink) Old 07-18-2012, 09:31 AM
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Quote:
Originally Posted by dalorzof View Post
... and I'm working up a DIY guide for the steps I used if anyone is interested...
Was staying in most of the last few days...can't stand the heat! Decided I'd take apart my spare Midland booster. See how it ticks and what the heck was wrong with it.

Love to see any hints/suggestions.


Slim

My '64 1/2 vert. Ordered May '64. D code 4 speed, handling package, caspian blue, accent group, Ford blue manual top.

'68 vert. driver. Owned since Apr '78. C code AT, AC, PS, P disc B, PT lime gold, standard black interior and top. NOS RF fender and left quarter.New top and folding glass.
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post #7 of 11 (permalink) Old 07-18-2012, 10:01 AM
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I am pretty sure mine is stuffed... But would definately be interested in seeing some pics of 1 that is still good to compare it to.

Tim

Wimbledon White '68 J-code Coupe - Dec 67 build - Under Construction...
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post #8 of 11 (permalink) Old 07-18-2012, 10:28 AM
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A while back someone said bought a repro. AFAIK the Midland booster is only availible rebuilt. Most suppliers want to set up the return of you core or rebuild your core.

The Bendix unit is often substituted for the correct Midland unit.

I'm taking my spare apart to see what makes it tick and what's wrong with it. I suspect that many times the booster was replaced when the only problem was the vacuum check valve or the MC and they replaced the works!

Slim
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post #9 of 11 (permalink) Old 07-18-2012, 12:08 PM
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Contact this company, perhaps he can sell you the parts.

Booster Dewey Power Brake Booster Exchange Inc.


1967 CV 289 A Code
1973 450SL
http://www.vintageleds.com/
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post #10 of 11 (permalink) Old 07-18-2012, 12:40 PM
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Booster Dewey is the guy...no question!


Slim
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post #11 of 11 (permalink) Old 07-18-2012, 07:35 PM
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+1 for Booster Dewey

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