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Reply to "Pantera Power Brake Booster"

I have my check valve off right now and examined it.

Internally it isn't what I expected. There is no check valve mechanism in it that I see of hear.

I see four 1 or 1.5 mm holes drilled into a brass cap.

How does the Panteran brake booster work?

Normally, a brake booster stores vacuum internally when the engine is off to at least boost two or three applications of the brakes?

That works on an internal check valve that is released by the brake pedal to one half of the chamber, there normally being two halves to that chamber.

What should this external check valve do? I presume that it should hold vacuum to be working correctly?
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