How do you fix air vents on a Chevy Silverado?

One way to fix the problem is to take out the vents and clean them, making them look good as new. In this case, the project vehicle is a 2001 Chevrolet Silverado. The process is similar for other vehicles. Start on the passenger side of the vehicle. Place the screwdriver between the air vent and the dashboard and push it into the seam.

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.

Why are the vents on my GMC Sierra stuck?

The most common symptom of course is lack of control over the vent output position and normally it will be stuck in the defroster only position. If it is not currently stuck in the defroster position but you are changing the actuator anyways. make sure that you set the vent position to defrost before starting this procedure. You will see why later.

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.

How do you change the HVAC in a Chevy Silverado?

Lower the steering wheel and pry off the paneling around the driver’s side dash, the HVAC controller and the radio. Unscrew the bolts on either side of the HVAC controller, push in the clips, and then pull it out. Disconnect the electrical harnesses. Connect the new HVAC controller and slide it into the housing.

How to remove the air vents on a Silverado pickup?

Place the screwdriver between the air vent and the dashboard and push it into the seam. Twist the screwdriver to pop the vent out the dashboard. The second vent on the passenger side of the dashboard comes out the same way.

Why does my Chevy Silverado blow hot air on one side?

This article applies to the Chevrolet Silverado (1999-Present). Does your Silverado blow hot air on one side and cold air on the other? If you have dual zone controls you may have run into this problem before. There is a way to fix this if you’re patient and willing to troubleshoot your way through it.

Why are the air vents on my car stuck?

This can happens due to a surge or spike in the cars electrical system. Before going too far with any repairs it can be a good idea to remove the climate control fuse and allow the system to power down. When the fuse is reinserted it will allow the system to reset and regain its logic and start working again.

What causes air vents to stay in defrost position?

If you have an older car then the defroster system is controlled by using vacuum supplied by the engine. Lift the hood and inspect the vacuum hose or tube that leads from the intake manifold to the passenger’s side firewall. The image below shows a typical line break which causes the vents to stay in the defrost position.

Why does the AC only blow out the defrost vent?

Click to expand… Mode door actuator for where it’s blowing. Blend door actuator for hot/cold. These are more likely culprits than the control module in the front. The rear control module being bad is more common. How can I post this message for help?

Why does my Silverado not blow any air?

Not a blower motor issue, can be heard running. Thought it could be a blin door issue but that seems to be more related to temperature control than what vent the air is discharged from. Could the cabin air filter be clogged up to a point that it has restricted airflow to nothing?

How does a Chevy Silverado blend door work?

The heater blend doors act as a gateway to the vehicle’s ventilation system. When heat is built up inside of the heater core, the actuator door shifts to allow the hot air through the system, and when the climate control is turned to cool, the door flaps in the other direction closing off the heater core.

Why are my dashboard vents not blowing air?

The dashboard vents will not blow any air but the defrost and floor vents work fine. Not a blower motor issue, can be heard running. Thought it could be a blin door issue but that seems to be more related to temperature control than what vent the air is discharged from.

Where are the vents on my GMC Sierra?

No output on dash face vents or defrost vents but floor works ok. I have tried the pulling the fuses both under hood and left of dash but that did not fix my problem.

Where is the actuator located on a Chevy Silverado?

The actuator is located behind the airbag assembly, so it has to come out. This is extremely dangerous, and the air bag need to be handle delicately to avoid any accidental deployments. If you haven’t already, take the time to make sure the vehicle’s battery is not connected. Disable the airbag.