1997 - 2003 F-150

What is this?

Old Jun 8, 2019 | 07:13 PM
  #1  
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From: The not so great but better than Cali state of Alabama
What is this?


Was trying to figure out why my ac/heat only blows through the defrost and floor. Opened my hood and saw where one of the small rubber hoses was tore. I just want to know what this hose goes to. Thanks
 

Last edited by jdugger31; Jun 8, 2019 at 07:15 PM. Reason: Forgot pic
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Old Jun 8, 2019 | 08:35 PM
  #2  
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Year? Engine?
 
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Old Jun 8, 2019 | 10:52 PM
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vacuume "T".....


WINNER!

97-03 5.4L ...
 
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Old Jun 8, 2019 | 10:55 PM
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you will need to be removing your heater/ac control unit and replacing some o-rings......not a big deal but a PITA
 
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Old Jun 9, 2019 | 12:37 AM
  #5  
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From: The not so great but better than Cali state of Alabama
Originally Posted by Fbird
vacuume "T".....


WINNER!

97-03 5.4L ...
Reckon that does make sense ha. Thanks
 
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Old Jun 9, 2019 | 06:42 AM
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some of the how to...
https://www.ford-trucks.com/forums/8...defrost-4.html
 
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Old Jun 10, 2019 | 07:07 AM
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Originally Posted by Fbird
you will need to be removing your heater/ac control unit and replacing some o-rings......not a big deal but a PITA
Applies only if he has an EATC module.
 
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Old Jun 13, 2019 | 01:12 AM
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From: DFW
also check where the vacuum goes into the cab, Its kinda below the starter solenoid up on the passenger firewall area
 
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