What is the solution to my heating problem
SOURCE: 2004 PONTIAC GRAND AM GT - NO HEAT WHILE IDILING -
Thats a good posibility when you hold the rpm's up you get more water flow through the heater core i would start with a new stat and go from there. Its also a good posiblity that the intake gasket is out or leaking
SOURCE: no heat
The 3400 is notorious of the head gaskets blowing. this may not be in your case. Check the level of the coolant. Their may be air in the heater core. bring it up to operating temp then check the level.
Hope it is just air in the system not the heads!
SOURCE: no heat 2006 pontiac torrent awd
your air damper or diverter may not be working.this is basically a mechanism that opens a flap by your heater core to control the amount of hot air that comes out.There is a rod that this flapper pivots on and if this rod is broken or the motor that operates it is not working you will either have heat all the time or no heat at all depending on which position it broke at.I know because my torrent has the same problem.To fix my problem they have to remove the dashboard to access the heater core which amounts to major $$$. I hope your problem is an easier fix. good luck
Testimonial: "yes it was thank you heatermode door was broken"
SOURCE: This car keeps over heating. I have changed the
Recommend replacing the fan, as it should not be drawing that much current. Also make sure there is nothing blocking the airflow through the radiator. Do you have any leaks? I have a few tips here that may be worth reading: http://www.fixya.com/cars/r5929960-s_thermostat
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