Little to no heat from heater; blower runs; started before I changed thermostat - code was set; have tried to bleed air at thermostat valve.
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2005 Buick LeSabre Question: Low or no heat from heater - blower runs
Answer #1tuneupowner from Tune Up Plus, January 16, 2011, 20:45Technician
it is possible the following happened:
1. switch is not working
2.blend door is not working (possible actuator)
3. electrical problem
this is a job for a technician to run down. these controls are all electrical and any can cause this. hope this helps!