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Old Aug 10, 2019 | 11:45 PM
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powerstroke7367
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Vacuum leaks!!

I have a 1988 Ford f250 with the 5.8 engine. Does anyone know what the circled thing in the left is called? Where does the hose go to? Also where do the lines for the vacuum tree go to?

 
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Old Aug 12, 2019 | 12:16 PM
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I think you need a Ford Vacuum/electrical troubleshooting guide. It will give detailed info as to part's function and line hookup.
Here's one on ebay for $20 F250 manual
 
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Old Aug 12, 2019 | 02:39 PM
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Can't see the whole thing, but looks like a vacuum actuator for the A/C-heater box door.
 
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Old Aug 12, 2019 | 02:40 PM
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Chiltons or Haynes manuals also show where the vacuum lines go to.
 
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