Hvac vents not switching??

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08-14-2009, 11:20 AM

ace68

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Hvac vents not switching??

anyone know why the vents won't switch from the floor to the dash in any mode heat or ac???

thanks for any help

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08-14-2009, 11:29 AM

knappbunch

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have you messed with any vacuum lines lately they are vacuum controled.

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08-14-2009, 12:45 PM

ace68

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that is what it was I must have pulled it off when I was checking the plugs thanks for the tip.

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08-14-2009, 04:09 PM

NVR_SPDS

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My moms Z28 would go from floor, to defrost, but nothing in between. Turned out it was a vacuum fitting that was cracked so id start there like was stated already.

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