is the ac blend door actuator on a 98 buick regal gs Automatic or Manual? quick question

1998 BUICK REGAL
127,000 MILES
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HANDNSUMBOI21
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ac blows air on the floor and defrost and hot through the front vents
Apr 3, 2012 at 8:53 PM
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HMAC300
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yours i vacuum operated. check for a vacuum leak from engine to control head and then to the offending actuator. pic enclosed of setup.
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Apr 3, 2012 at 9:03 PM