LT1-LT4 Modifications 1993-97 Gen II Small Block V8

air through vents

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Old Jul 19, 2009 | 08:59 PM
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Unhappy air through vents

So now whatever control I set my climate control at it all blows through the front vents. No longer does the defroster or the heater. It still blows cold a/c through as it should, but everything else goes through there as well.
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Old Jul 19, 2009 | 09:43 PM
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Changing which vents the air is ported through is vacuum controlled so you may have a vacuum leak
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Old Jul 19, 2009 | 09:49 PM
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From: bokchito
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my z did the same thing awhile back... vacuum hose runs from the intake on rear of engine to passenger side fender area small black plastic line.
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Old Jul 19, 2009 | 11:42 PM
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Originally Posted by edunegan
my z did the same thing awhile back... vacuum hose runs from the intake on rear of engine to passenger side fender area small black plastic line.
Sweet. Thanks guys. It was that plastic hose that goes into the rubber boot that's on the pass. Side of the intake. Air blows twice as hard now.. Or back to normal atleast. I must have knocked it out when I was buffing the rails
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