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Home » Public Forums » GMCnet » [GMCnet] SUPER Brake Booster Aux Vacuum Pump
[GMCnet] SUPER Brake Booster Aux Vacuum Pump [message #255434] Tue, 15 July 2014 08:39 Go to previous message
USAussie is currently offline  USAussie   United States
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma:
Senior Member
G'day,

Here's a SUPER brake booster Aux Vacuum Pump for our GMC's

http://www.ebay.com/itm/Ford-Continental-Electric-Vacuum-Pump-12VDC-Ford-A426C-/370691272503

I purchased two of them and they really SUCK! ;-)

At $115 with free shipping they are a bargain compared to anything else out there. If you read the blurb you will note that they
were meant to go in an electric vehicle sold in Europe that has been discontinued (Ford Azure). That means they were the ONLY vacuum
source for the brake booster so they had to be designed to be ultra reliable. I took one of these suckers apart and found that the
internals are very simple and crank / connecting rods run on bearings!

Because they have dual diaphragms they suck a lot more than any other pump on the market.

Unfortunately you will have to come up with a mounting bracket as none are available commercially.

If you buy one you will note that the plastic 3/8" barb fitting has a little tab that fits in a slot on the pump that keeps it from
rotating, with a small Dremel tool you can remove the barb and the fitting will rotate 360 degrees.

More photos:

http://www.gmcmhphotos.com/photos/g6633-brake-booster-vacuum-pump.html

Regards,
Rob M.
The Pedantic Mechanic
USAussie - Downunder
USA '75 Avion - Double Trouble TZE365V100426
AUS '75 Avion - The Blue Streak TZE365V100428

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Regards, Rob M. (USAussie) The Pedantic Mechanic Sydney, Australia '75 Avion - AUS - The Blue Streak TZE365V100428 '75 Avion - USA - Double Trouble TZE365V100426
 
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