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01 Buick lesabre only blows cold air Sign up here! Search this forum this category all forums for All words Any words Whole Phrase (search options) Auto Repair Home>> Automotive Repair>> Car Troubleshooting Marcellarss@yahoo.com New User Nov 27, 2016, 3:08 PM Post #1 of 3 (1359 views) 01 Buick lesabre only blows cold air Sign In I have flushed the radiator, replaced the thermostat and radiator cap. The car does not overheat. Blend door is functioning. But I still don't have heat. Any advise? dr.donut User Nov 27, 2016, 3:50 PM Post #2 of 3 (1351 views) Re: 01 Buick lesabre only blows cold air Sign In Check the heater core ,see if both hoses are hot , take the hoses off at the fire wall and see if water passes through . Hammer Time Ultimate Carjunky / Moderator Nov 27, 2016, 7:29 PM Post #3 of 3 (1338 views) Re: 01 Buick lesabre only blows cold air Sign In With the engine at full operating temp, locate the 2 heater hoses where they go into the firewall and feel them to see if they are both hot to the touch. If they are both hot, the heat in that vehicle is controlled by a blend door that regulates heated air flow. it is operated by an electric motor/actuator. The problem can be that the actuator is stripped or inoperative or the door itself could be damaged. This is what needs to be determined by examining the actuator and see if it is responding to heat change commands or not. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.   Automotive Repair     Auto Body Repair and Refinishing     Heating or AC Issues     Electrical and Wiring     Brake Systems     Car Stereo Repair Advice     General Discussions     Car Making Funny Noises     Engine Fault Codes     Engine Troubles     Exhaust Systems     Steering and Suspension     Transmission Troubles     Tricks of the Trade Automotive World     General Discussions     Antique Car Talk     Car Shows and Events     The Bargin Bin     Motor Vehicle Inspection     Car Care Tips     Traffic Tickets     Gasoline, Motor Oils, Concept Cars and Engines     Auto Insurance, Financing, Leases, Warranties Truck Repair     General Discussions     Truck Engine Repair     Truck Suspension Repair Motorcycle Repair     General Discussions     Motorcycle Engine Repair CarJunky     Open Posting     Board FAQ's     New Board Suggestions

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