But nothing coming thru the vents.
There is a blend door actuator for the laredo and if is bad the air wont come out here is a pic of what it looks like and how to get to it
The single zone heater-A/C system is equipped with a single blend door actuator. The dual zone system has two blend door actuators, one for the driver side blend-air door and one for the passenger side blend-air door.
to instal
It is a vacuum leak somewhere....
Check under hood first (easiest) ..
Set parking/emergency brake, first.
Listen for "sucking vacuum" sound under hood while engine is idling. Replace hose or connection.
If not under hood, then it's under the dash...
close windows, turn off radio, set A/C fan on lowest (quietest) setting, etc.... Listen for vacuum leak... plug disconnected hose back into its diaphragm...
It may be a broken diaphragm (looks like a tin can) under the dash....
Hope this helps!
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