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02-18-2014
My heater started blowing cool air last fall,changed thermostat flushed cooling system and heater core new coolent.Heater worked fine until it went in the body shop this month and sat for 2 weeks.Now when I drive it heater blows warm air and sometimes after you park for awhile it blows cool air,then if you shut it off for awhile it will blow warm air again.Thanks for any input on this.
02-18-2014
flush the heater core, its got air in it.
02-18-2014
Sounds like the blending door. If you look around the forum you will find instructions on how to test that. If I recall you have to remove it move the flap and put it back in, but that's the extreme case. Do you have the digital controls or analog?
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02-18-2014
Hey Scottydoggs thanks for the quick reply.I did flush the heater core back in the fall and that fixed the heat loss. Got any ideas why it getting air in it.
02-18-2014
Thanks for your quick reply
02-18-2014
no idea why it happens, but most of the time its got air in the core. some cars it seems to happen more often then others. or not at all ever.
02-18-2014
Digital controls
02-19-2014
Scotty is right, tyy flushing it. My jeep had that same problem..
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02-19-2014
Thank you very much
02-19-2014
Thanks again will try it when the weather breaks
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