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vacuam check valve? can't find it 200

posted by  seyed_ali on  Wed Mar 10 11:52 CST 2004
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last visit: Thu Jun 18 13:54 CST 2009
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alright i found it. the vacuam check valve on my 82 244 kjet is on the actual manifold. It screws into the intake manifold via a rubber hose. It was all gunked up inside, so i sprayed some valvoline syntec carb cleaner inside...and cleaned it up. no more whoosh sounds on acceleration. My guess is that the gunk was not allowing a tight seal, which under high pressure (acceleration) it was causing a vacuam leak.....and thus the whooshing sound

thanks for the help






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