Air Conditioning only blows out the bottom ventts: Buick Rainier Heating & Air Conditioning

Problem overview

Owners have reported several instances of the air conditioning not blowing through main dash vents, or only blowing through the floor and defrost vents. Often this is experienced after replacement of the battery. During battery replacement, the control module for the mode actuators may lose its memory. Re-calibration of the actuator is required to address this condition.

88 people reported this problem

41 comments

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Buick Rainier vehicles with this problem

4 model years affected

Average mileage: 105,478 miles

(26,000 - 198,000)

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Air Conditioning only blows out the bottom ventts on Buick Rainier

Problem overview

Buick Rainier vehicles with this problem

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