check your cabin air fileter behind your glove compartment
The moveable "baffle" inside the dashboard is not redirecting the air flow as it should. It's operated either by vacuum or an electric motor, in either case, repair is going to require the removal of the dashboard.
you have to pop out the vents CAREFULLY and there are screws inside the vent cavity,then pop off the plastic trim under the radio and to the left of the steering wheel.
The inside of the ductwork is dirty and is blowing the dirt out.
You need to toggle the switch above it. Turn it from outside air to circulating air inside.
House vents are typically located both inside and outside the house. Inside the house, vents are usually found in ceilings, walls, or floors to allow air to circulate. Outside the house, vents are often located on the roof or walls to allow for proper ventilation.
middle of the dashboard, above the center vents.
Foam, Vinyl, leather, speakers, vents, guages... needs more info.
Black wasps can enter AC vents through small openings or gaps around the vent covers, ducts, or exterior of the building. They may be attracted to the warmth or shelter provided by the vents. Once inside, they can navigate through the ductwork, sometimes leading to infestations if not addressed. Regular maintenance and sealing of any gaps can help prevent their entry.
The vacuum switches for the AC vents on a 1995 GMC Safari all-wheel drive van are located underneath the dashboard. The vacuum lines are also located underneath the dashboard.
If the dashboard vents in a 1996 Buick Park Avenue aren't blowing air, it could be due to a few common issues. First, check the blower motor and its fuse, as a failure here would prevent air from being pushed through the vents. Additionally, problems with the climate control system, such as a malfunctioning actuator or a blockage in the ductwork, could also be the cause. Lastly, low refrigerant levels or a faulty HVAC control could affect airflow to the dashboard vents.
coffee holder, Instrument cluster, Vents, Glove compartment, Dash pad,
Remove the vents and screws under the ac cluster speedometer cluster.