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Vacuum Diagram for '98 F-150

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  #1  
Old 06-02-2010, 06:09 PM
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Vacuum Diagram for '98 F-150

Was hoping that someone had a diagram of the vacuum system for the '98.
 
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Old 06-02-2010, 08:55 PM
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the heater door control portion looks something like this.. general idea.

look at the bottom post drawing-

https://www.ford-trucks.com/forums/9...-please-2.html
 
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Old 06-03-2010, 07:21 AM
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I just posted the 98's vacuum schematic in this thread: https://www.ford-trucks.com/forums/9...rost-only.html

The one in the thread above is for the 03 which is pretty darned close.
 
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