1976 Olds 98

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Old November 7th, 2017, 02:13 PM
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1976 Olds 98

what would be the reason defroster vents not blowing air from them. All others areas work (floor and dash vents)

No climate control just normal controls. A vacuum line or doors stuck?
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Old November 7th, 2017, 02:16 PM
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Also is there a vacuum diaphram involved?
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Old November 8th, 2017, 05:46 AM
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The air doors are vacuum actuated. How much vacuum does the car pull at idle? Does it run well?
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