If air is not coming out of the vents in your 1999 Oldsmobile Intrigue, it could be due to a few potential issues. Common causes include a malfunctioning blower motor, a blown fuse, or a clogged cabin air filter. Additionally, problems with the HVAC control module or issues in the ductwork can also restrict airflow. It's best to inspect these components to identify the specific problem.
You will need to remove the center air vent diffuser. Gently prior around the center dual vent to find and release the holding clips. Slide the vent out. The flasher is on the left inside and is removed from the vent opening. Pricey part coming from China.
It is a half-inch blackish bulb next to the air vent on top of the dash. Don't put your hat over it, or your lights will stay on all the time.
Heat would flow from the air coming out of the floor vent to the cooler air in the room. The warmer air is at a higher temperature and naturally moves towards the cooler air to create thermal equilibrium in the room.
The air conditioner is low on refrigerant.
There may be too much air coming out of the vent due to a blockage in the air ducts, a malfunctioning blower motor, or an issue with the thermostat settings. It is important to check these components to determine the cause of the excessive airflow.
the air coming from the vent is warm
The 1999 Oldsmobile Intrigue evaporator case can be found at the bottom of the engine compartment. You can follow the evaporator hose from the air conditioning compressor directly to the evaporator case.
on the black pipe leading to the air box its square and clipped
It's somewhat cold. It's just very little cold air coming out. Can't hear the vent blow the air as well.
The air from the vent should be 18 to 22 degrees F lower than the temperature of the air going into the return.
Balloons float over a vent because the air coming out of the vent is warmer and less dense than the surrounding air. This creates a buoyant force that pushes the balloon upward, causing it to float.
Check that the switch that moves from cool to hot (Is like a sliding switch on a 1990 Corolla I think) is actually opening the vent that controls flow of hot air