why air and heat won't blow out?
i have a 98 buick century. the air won't come out of the vents or the heater. i have replaced the blower and the air filters and still no air. any suggestions
There is a vacuum ball located in the rt front fender behind the bumper inside that has a vacuum line attached. These have been known to come loose.

Article by M Muhammad Al H. at 2011-09-24 15:23:10
A mass airflow sensor consists of a case which is positioned between the air filter and air pipe. The sensor is either screwed or firmly attached inside the case. The sensor in turn includes a hot film meter and electronics. The sensor measures the air which flows to the engine through the air filter and sends the data to the control unit.
This is how to maintain air vent filters
FRAM CF10136 Fresh Breeze Cabin Air Filter for select Buick/ Chevrolet/ Pontiac/ Saturn models Outside air flowing through the vehicles ventilation system can expose passengers to road dust and pollen.... Read more