Vacuum System
WARNING: This page is about a different car, the 2009 Ford RV Cutaway, 2009 Ford Econoline, 2009 Ford E450 Super Duty, and 2009 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
ITEM DESCRIPTION
| Item | Part Number | Description |
|---|---|---|
| 1 | - | Vacuum to the auxiliary A/C system (if equipped) |
| 2 | 18A318 | Vacuum control motor - floor/panel door |
| 3 | - | Panel vent airflow |
| 4 | - | Floor/panel door (full vacuum position) (part of 18471) |
| 5 | 18B545 | Temperature blend door (full heat position) |
| 6 | 19860 | Evaporator core |
| 7 | 19A813 | Air inlet 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 | 18476 | Heater core |
| 13 | - | Vacuum from the engine intake manifold (gas engine) or vacuum pump (diesel engine) |
| 14 | 19A563 | A/C vacuum check valve |
| 15 | 19A566 | A/C vacuum reservoir tank and bracket |
| 16 | 19B888 | Function selector switch |
| 17 | - | Floor airflow |
| 18 | 18A318 | Vacuum control motor - floor/defrost door |
| 19 | - | Floor/defrost door (full vacuum position) (part of 18471) |
| 20 | - | Defrost airflow |
Vacuum Connector End View
VACUUM CONNECTOR REFERENCE
| Port | Hose Color | Function |
|---|---|---|
| 1 | White | Recirculation air duct door |
| 2 | Red | Floor/defrost door |
| 3 | Yellow | Floor/defrost door |
| 4 | Blue | Floor/panel door |
| 5 | Black | Vacuum source |
| 6 | - | Not used |
VACUUM APPLICATION CHART
| Switch Port Color | Function | Function | Selector Switch Position | ||||||
|---|---|---|---|---|---|---|---|---|---|
| MAX A/C | NORM A/C | VENT | OFF | FLOOR | MIX | DEF | |||
| 1 | White | Recirc/fresh | V | NV | NV | V | NV | NV | NV |
| 2 | Red | Floor/defrost | V | V | V | V | V | NV | NV |
| 3 | Yellow | Floor/defrost | V | V | V | V | V | V | NV |
| 4 | Blue | Floor/panel | V | V | V | NV | NV | NV | NV |
| 5 | Black | Vacuum source | V | V | V | V | V | V | V |
| V = Vacuum NV = No Vacuum |
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