Question about 2005 Chevrolet Equinox

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2006 chevy equinox blows cold air when idling but hot air when driving

Also runs hot when at stoplight. Checked antifreeze and it is where it is supposed to be. They say hvac valve. But when I am driving it I turned the temp on cold and it blows cold and when I turn it back on to hot it blows hot. Just when idling when I first start it.

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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ndguy2481
  • 251 Answers

SOURCE: 2006 chvy impala when idling dont blow hot air

1 Inspect Cooling System Mix Coolant level low or flow is restricted. grey_line.gif 2 Inspect Thermostat Thermostat stuck closed grey_line.gif 3 Inspect Heater Control Valve Leaking or defective heater control valve. here something to help u

Here to help Shaun

Posted on Nov 23, 2008

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  • 1 Answer

SOURCE: blowing hot air all the time

There is a door that opens to the heater core.When the vacum control in the dash gets old the diaphram gets to flimsy to close one port so it puts vacum to all ports.Therefore there is not enough pull to engage the vacum motor to move the trap door.Change the switch in the dash. Check to make sure that there isn't an obstructing object in front of the door before you buy a new switch

Posted on Jun 02, 2009

Tech jk
  • 102 Answers

SOURCE: my heater stoped blowing hot air.antifreeze level

If the blower is blowing air just fine, but you cannot control the temperature, you need to listen to air coming from the vents while turning the temperature from hot to cold. If you do n ot hear any change in airflow, then you may a temperature door in the dash broken. this is becoming a common problem on the Equinox and Pontiac Torrent,

Tech JK
-------

Posted on Oct 15, 2009

  • 4102 Answers

SOURCE: My 2005 Equinox is overheating. We have replaced

hi, im sorry to say but the problem could be more serious it could be that your head gasket has failed and needs replacing, the only thing you could try is drain all the coolant then make sure that if you have an air bleed screw on one of the pipes that this is open then just trickle the water into the coolant system doing this ensures you have no air locks.
Once the coolant system is full then give it a try and see if it over heats, you may find that its just an air lock thats causing the problem but if it still over heats then your going to need to get a compresion test done or a sniff test to check the coolant for signs of engine gasses from the cylinder.

Let me know how you get on or if you need further assistance ok

Posted on Jan 25, 2010

BuzzFlewhart
  • 655 Answers

SOURCE: 2004 impala..The heater blows cold air when at

A couple of things come to mind. One is the thermostat is hanging open. The other is the cooling fans are running when they shouldn't. With the car idling, open the hood and see if the fans are blowing. Do you have a temperature gauge in the dash? Should be reading about 200 degrees all the time. Maybe a little less at highway speeds but not below 190 degrees.
The other thing is the heater core may be plugged. Have you changed the anti-freeze and flushed the system recently? Added any StopLeak to the radiator?
Also... if the heater temp controls are activated by vacuum (I'm not sure on your model), you may have a leaky vac hose to the heater control panel.
Could be any of these and could something else. I tried to hit the obvious ones... :)

Good Luck.

Posted on Nov 23, 2010

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My heater stoped blowing hot air.antifreeze level


If the blower is blowing air just fine, but you cannot control the temperature, you need to listen to air coming from the vents while turning the temperature from hot to cold. If you do n ot hear any change in airflow, then you may a temperature door in the dash broken. this is becoming a common problem on the Equinox and Pontiac Torrent,

Tech JK
-------

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2006 Chevy Equinox a/c works great but no heat what so ever ?????


If the blower is blowing air just fine, but you cannot control the temperature, you need to listen to air coming from the vents while turning the temperature from hot to cold. If you do n ot hear any change in airflow, then you may a temperature door in the dash broken. this is becoming a common problem on the Equinox
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