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Brake Booster Rebuild kit


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My master cylinder has been leaking since I bought the car. It's at the point now where I have to replace it. It's been leaking down the front of (and into I'm sure) the booster. I know they make replacement 9" boosters, but I'd prefer to rebuild my 11" if there is a kit to do so. Does such a thing exist? Thanks!

 

Chris -  Born in '73 - Drive a '73 / Former U.S. Army 63B10-H8 / 1st Infantry Division - The Big Red One

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4 hours ago, Big Red Mach 1 said:

My master cylinder has been leaking since I bought the car. It's at the point now where I have to replace it. It's been leaking down the front of (and into I'm sure) the booster. I know they make replacement 9" boosters, but I'd prefer to rebuild my 11" if there is a kit to do so. Does such a thing exist? Thanks!

 

I think David (Carolina.....) may be able to help there. He's posted before on rebuilding his booster. You might check Cardone for a rebuilt or even R&R. I got mine from Cardone, but although it seems to be good, they didn't even paint the thing, just bare metal.

Many of the so-called replacement boosters sold do NOT fit our cars. The 8" Bendix for sure will not fit with the shock tower supports. Ask me how I know!

When I did my booster add-on ( I did not have PB before), I first tried the Bendix, but quickly found why it would not work. Also at that time, my steering column was out because of the need to rework and drill the 3/8" bolt holes. It's a lot easier with the column out, seat as well. At least you'll need to drop the column as your just doing a replacement.

Edited by Stanglover
fixed typos.
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Geoff.

 I learn something new every day!

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1 hour ago, Stanglover said:

I think David (Carolina.....) may be able to help there. He's posted before on rebuilding his booster. You might check Cardone for a rebuilt or even R&R. I got mine form Cardone, but although it seems to be good, they didn't even paint the thing, just bare metal.

Many of the so-called replacement boosters sold do NOT fit our cars. The 8" Bendix for sure will not fit with the shock tower supports. Ask me how I know!

When I did my booster add-on ( I did not have PB before), I first tried the Bendix, but quickly found why it would not work. Also at that time, my steering column was out because of the need to rework and drill the 3/8" bolt holes. It's a lot easier with the column out, seat as well. At least you'll need to drop the column as your just doing a replacement.

Cardone will allow you to send yours back. They will rebuild and return to you, but that's the only option. No idea how long that takes. That's why I'd rather do it myself. 

Chris -  Born in '73 - Drive a '73 / Former U.S. Army 63B10-H8 / 1st Infantry Division - The Big Red One

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This is who did mine www.boosterdeweyexchange.com  They are out of Oregon. Send them yours and they rebuild it. Ryan 

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1973 Mach 1, Porsche Guards Red, 429/C6

1972 Mach 1, Grabber Blue, 302/C4, currently under construction

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I did find all the pieces but the plastic gasket between booster and firewall. I built a fixture to hold the can to release the crimps Then going back you have to clamp tight on the rubber and crimp them again.
You can sent to what was Booster Dewey in Oregon to get rebuilt but they only sand blast the case and do not fix all the rust pits. You can rebuild the master cylinder also I get the kits from NPD. Here is picture of all the seals, diaphragm and gaskets I have. Can get you a price for a set if you want to try. Took couple years to track everything down.

20200518_121324.jpg

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David

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2 hours ago, 73429mach said:

This is who did mine www.boosterdeweyexchange.com  They are out of Oregon. Send them yours and they rebuild it. Ryan 

Thanks! I'll give them a call on Monday. If their lead time is only 3-4 weeks as their website states, I may go that route. I have some business traveling to do over the next month so it may work out nicely to have them working on it while I'm away. 

Chris -  Born in '73 - Drive a '73 / Former U.S. Army 63B10-H8 / 1st Infantry Division - The Big Red One

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1 hour ago, Carolina_Mountain_Mustangs said:

I did find all the pieces but the plastic gasket between booster and firewall. I built a fixture to hold the can to release the crimps Then going back you have to clamp tight on the rubber and crimp them again.
You can sent to what was Booster Dewey in Oregon to get rebuilt but they only sand blast the case and do not fix all the rust pits. You can rebuild the master cylinder also I get the kits from NPD. Here is picture of all the seals, diaphragm and gaskets I have. Can get you a price for a set if you want to try. Took couple years to track everything down.

20200518_121324.jpg

David, It's awesome that you were able to find all of those items. The amount of time it took you do do so is certainly a bummer but not surprising. I may give BoosterDewey(Steve) a shot, but if for some reason that doesn't pan out, I'll let you know. I greatly appreciate your offer to put pricing together for me if needed. Thank you. 

Chris -  Born in '73 - Drive a '73 / Former U.S. Army 63B10-H8 / 1st Infantry Division - The Big Red One

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I sent my brake booster to Harmon Classic Brakes in Canton, GA for rebuild.  They turned it around in about 2 weeks.  I'm not to the point of installing it yet, but just pulling it out of the box, it looks brand new.  Just throwing that out as another option.  

 

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Ron

The Rickster, a 1973 Mach 1, being restored as a tribute to my brother who passed away with COVID in July 2020.

Billy, a 1976 Ford Bronco, also needs a lot of work.

El Guapo, a 1986 F150, frame-off Resto-Mod.

Also, in the queue, a 1950 Ford F1 Panel truck and 1962 Falcon Ranchero

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1 hour ago, 73MustangCoupe said:

I sent my brake booster to Harmon Classic Brakes in Canton, GA for rebuild.  They turned it around in about 2 weeks.  I'm not to the point of installing it yet, but just pulling it out of the box, it looks brand new.  Just throwing that out as another option.  

 

Great Info. Thanks!! 

Chris -  Born in '73 - Drive a '73 / Former U.S. Army 63B10-H8 / 1st Infantry Division - The Big Red One

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