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Re: brake question
it simply attaches to the end of the hose that supplies vacuum to the booster. usually it would come with the booster or there would be a plug to fill the hole so dirt and debris doesn't get into the booster unit. that hose connects to intake manifold vacuum source and some vehicles also have a small vacuum reservoir inline next to the booster for a better vacuum supply. usually these vehicles have vacuum controls for a/c etc. a long run of hose from the intake manifold to the booster may be another reason to install a reservoir but then some would say the longer hose becomes a small reservoir except that in that case the check valve would be after the reservoir so the longer hose would do you no good as a storage reservoir because the vacuum would fluctuate with throttle position and rpm. make sense?
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