Why does my GM car heater not turn off?
On the passenger side somewhere near the vent for the floor is the motor assembly to open and shut the airflow door to allow cool/hot air in. When you have it set to hot, it heats up the motor assembly causing the internals to “swell” and bind and then not allowing the door to move back to the cold position.
Why are my front vents on my Chevy Trailblazer not working?
Recently my front vents stopped working on my 2004 Chevy Trailblazer. I’ve tried to recalibrate by taking out the fuse, waiting a couple minutes, putting the fuse back in, turning the car to run, letting it go through its motions, but that didn’t work. The air blows cold, but it is only coming out at the feet, side vents and defrost.
Why is the pass vent on my heater not working?
There is a blend door in your heater and it’s either stuck or not working. It ‘s electrical or vacuum. You can reach your hand under the dash and see if you can move it one way or the other. You should be able to see if it will start to put the pass vent cold or not.
Is there issue with auto climate control not changing from vent to vent?
Has anyone had an issue with the auto climate control not changing from vent to vent? Re: Fan Only Blows Defrost, Won’t Change To Floor Or Vent. Pull the negative battery cable and re-install, making sure it is very tight (also check the positive to make sure it is tight). See if this fixes the problem.
How to fix Chevy GMC Truck heater blend door?
1999 – 2004? Chevy GMC Truck Heater Blend Door Stuck Easy Fix How-to – YouTube If playback doesn’t begin shortly, try restarting your device. Videos you watch may be added to the TV’s watch history and influence TV recommendations. To avoid this, cancel and sign in to YouTube on your computer. An error occurred while retrieving sharing information.
Has anyone had an issue with the auto climate control not changing from vent to vent? Re: Fan Only Blows Defrost, Won’t Change To Floor Or Vent. Pull the negative battery cable and re-install, making sure it is very tight (also check the positive to make sure it is tight). See if this fixes the problem.
What should I do if my GM fan won’t turn on?
Pull the negative battery cable and re-install, making sure it is very tight (also check the positive to make sure it is tight). See if this fixes the problem. Many of GM’s AC control heads have a built in reset feature that when power is removed and then applied it will go through a cycle that activates all the vent doors and mode doors.
Can a GM AC Control head be reset?
Many of GM’s AC control heads have a built in reset feature that when power is removed and then applied it will go through a cycle that activates all the vent doors and mode doors. It’s worth a try. Honestly, don’t know if your control head has a built in recal feature, but a cheap way to find out.