Air Distribution System Description for Isuzu Isuzu MD Steel Tilt (F Model) 1998
The HVAC module contains a series of air doors. These doors
are hinged parts that direct the airflow through various sections of the HVAC
module. This action provides the proper airflow for the selected operating
mode. Each air door is controlled by an actuator.
Ducts and Outlets
A system of ducts and outlets directs air to the passenger compartment.
If the air output is poor, inspect the following areas for obstruction: