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Buick regal ls 2001 no heat


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Cwharrie
New User

Oct 27, 2015, 1:29 PM

Post #1 of 2 (1492 views)
Buick regal ls 2001 no heat Sign In

OK so I've tried a lot to fix it but clearly I'm missing something.

I've changed the thermostat, checked the coolant and burped it, all hoses are good and hot including the ones from the hearing core, actuator is working and blower is fine. I'm unsure where else I might have a problem. I live in Canada with two kids, I need heat

Thanks


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Oct 27, 2015, 1:34 PM

Post #2 of 2 (1491 views)
Re: Buick regal ls 2001 no heat 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 not too hot to hold, then you have to look at the actual engine temp and if that is up, if it is, then your looking at a restricted heater core or poor circulation for another reason.
If you find that they are both too hot to hold, then 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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