| [GMCnet] Re: Brake booster vacuum pump [message #364843 is a reply to message #364842] |
Sat, 19 June 2021 16:09   |
James Hupy
Messages: 6806
Registered: May 2010
Karma:
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Senior Member |
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At least 2 ways to go.
One is to just make a vacuum canister out of PVC pipe, and run a large
vacuum hose to the booster. Engine vacuum suffices to charge the canister.
No pump required. Or, a smaller pump will suffice to replenish the vacuum
needed when the engine is off.
The second, is to use an electric driven larger vacuum pump, with no
canister. But it needs to be big enough to perform the brake booster task
all by itself. Those pumps are more $$$, and are usually turned on and off
via a vacuum sensing switch and relay setup. Again, a more complex
system, not exactly trouble free.
Pretty hard to find something that pumps as much vacuum as your engine.
Jim Hupy
Salem, Oregon
On Sat, Jun 19, 2021, 1:41 PM 78gmcroyale wrote:
> I need to replace my brake booster vacuum pump, what's everyone using
> these days?ThanksRay ErspamerSent from my U.S.Cellular© Smartphone
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