2005 when using the heater, fans are blowing, but cold air. Maybe after 15 minutes of driving finally the heat will kick on, but if i dont keep the RPM's up to 2k, cold are blows again

2005 when using the heater, fans are blowing, but cold air. Maybe after 15 minutes of driving finally the heat will kick on, but if i dont keep the RPM's up to 2k, cold are blows again 1 Answer

I am having trouble with my ac in 2005 GMC Yukon. The air just quit blowing out cold air. It still blows, just not cold. When I push the ac button, the motor does even drag a little like it used to when turing on the ac. Any suggestions? I checked the fuses, its not that 4 Answers

I am having trouble with my ac in 2005 GMC Yukon. The air just quit blowing out cold air. It still blows, just not cold. When I push the ac button, the motor does even drag a little like it used to wh...

i unplug the resistor on my 1993 GMC pick up heater blower and the blower keep on blowing on high but the blower won't turn off when i turn the switch off 1 Answer

my blower motor won't operate on any other setting then high and keep on blowing when i unplug the resistor

Starts great when cold but long crank after it sits for 15 minutes 1 Answer

Starts great when cold or if you shut it off and start it up again within a few minutes but if it sets 15-20 min then it is hard to start. If I hold the throttle peddle down it will start quicker.If...

I have a 2006 GMC Yukon XL with a dual zone ac/havc unit. The rear heat works but the front only blows cold air. I have checked all relevant fuses, checked the climate control module, and all are good 1 Answer

The heater core is good, I believe, since the rear is producing heat. Could I have a bad actuator? And if so, how can I diagnose that?