AIR FLOW FROM VENTS

  • Tiny
  • erivas1207
  • 1999 Ford Expedition
  • V8
  • 4WD
  • automatic
  • 113,000 miles

Not getting air out of the front or back vents, only from the defrost vents.

Thursday, February 10th, 2011 AT 11:17 PM

1 Answer

  • Tiny
  • BMRFIXIT
  • Expert
  • 19,554 posts

Check vacuum

Item Part Number Description
1 18A318 Vacuum Control motor panel/defrost door
2 18A478 Panel/Defrost door (full vacuum position)
3 Defrost airflow
4 Side window demister airflow
5 18B545 Temperature blend door (full heat position)
6 19860 A/C evaporator core
7 19A813 Air inlet duct door (full vacuum position)
8 Outside air inlet
9 18A318 Vacuum control motor air inlet duct door
10 Recirculated air inlet
11 19805 Blower motor
12 Vacuum to emission control
13 Vacuum from the engine intake manifold
14 19A563 A/C vacuum check valve
15 19A566 A/C vacuum reservoir tank and bracket
16 19B888 A/C-heater function selector switch
17 18476 Heater core
18 18A559 Floor/panel door (full vacuum position)
19 Floor airflow
20 18A318 Vacuum control motor floor/panel door
21 Panel vent airflow

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Friday, February 11th, 2011 AT 3:00 AM

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