Question about 2005 Chevrolet Equinox
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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Posted on Jan 02, 2017
Cooling System Mix
Coolant level low or flow is restricted.
Thermostat stuck closed
Heater Control Valve
Leaking or defective heater control valve.
here something to help u
Here to help Shaun
Posted on Nov 23, 2008
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
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,
Posted on Oct 15, 2009
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
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... :)
Posted on Nov 23, 2010
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