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Overseas
Join Date: Mar 2009
Location: Nuremberg, Germany
Posts: 75
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It's basically "holding vacuum" so that the flaps in the heater box in the passenger compartment remain open (held by vacuum) even if you brake or hit the pedal to the metal. There are certain conditions when the vacuum in the engine intake drops that's why there is a vacuum buffer not only for the brakes, but also for the A/C.
What do you plan on doing on your A/C? I have now installed, uninstalled, reinstalled in my 924S, memories are yet vicvid, just this canister I didn't have before at all.
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Tomiki
924S (1986)
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