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Why wont my 2000 Buick Park Avenue blow hot air, for defrost and heater? the air is there but wont heat up.

Answers from the Automotive Experts

Amanda J. Pierce, MBA Curtis, Sounds like it could be a heater core problem. AJ Pierce

Suzanne Grego, Technician at City of Philadelphia Fleet Management Curtis, Sounds like your blend door is stuck. The blend door is what directs either warm air from the engine or cold air from the a/c condenser into the cabin of your vehicle. It is usually controlled by a vacuum line that can easily pop off. You may be able to search under the dash (in the foot area) for a disconnected hose. The good news is, that if your vehicle is running well, it doesn

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