In a message dated 96-03-29 17:21:00 EST, snuggles@vnet.ibm.com writes: > >okay, been cruising round lately, me and rumba, doing great...then yesterday >i >notice a definite lack of power and my brakes are stiff. hmmm...maybe i hear >a vaccum leak to..hmmm...okay, i've yet to track down the leak but i got some >new vacuum hose and will put that on shortly. question: what is the purpose >of >a one way vaccum valve? i have one that joins two seperate vaccum >hoses..which >is really one..but joined together by this one way vacuum valve. do these >wear >out? do they get clogged? i hear a leak under there..seems to be coming from >this valve...any suggestions? on a side note, i cleaned the carb and put on a >new fuel filter, both were dirty and now we seem to run better. > > The vacuum valve is needed to maintain a constant vacum supply in the brake booster. Since the manifold only has a high vacuum during idle, vacuum needs to be stored and 1/2 the volume of the brake booster is used for that purpose.
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