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01 Buick lesabre only blows cold air


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Marcellarss@yahoo.com
New User

Nov 27, 2016, 3:08 PM

Post #1 of 3 (1227 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 (1219 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
Hammer Time profile image

Nov 27, 2016, 7:29 PM

Post #3 of 3 (1206 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.



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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.







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