GMC Sierra 1500 / 2500 / 3500:

A/C WORK,NO HEAT BLOWER FAN WORKS HEATER HOSES ARE HOT BOTH

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# 1  11/27/2012 2:12 PM

Don Bice
New member
Registered: 11/27/2012
Posts: 1

A/C WORK,NO HEAT BLOWER FAN WORKS HEATER HOSES ARE HOT BOTH

2007 GMC SIERRA HEAVY DUTY 3500  6.0L  PLOW TRUCK  9000 MILES A/C WORKS FINE ,FAN SPEEDS ALL  WORK  HEATER HOSES ARE HOT AT 210 TEMPERATURE  BUT NO HEAT.

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# 2  11/27/2012 7:11 PM

TechHelp2
Administrator
Registered: 11/24/2009
Posts: 1299

Re: A/C WORK,NO HEAT BLOWER FAN WORKS HEATER HOSES ARE HOT BOTH

You may have a air temperature door problem. Everything can work properly but if the air door cannot work properly the hot air cannot get into the cabin of the truck.

If  you can get the truck to the dealer they can put a scanner on the vehicle to see if any trouble codes have set in the A/C system.


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