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6.0L Power Stroke Diesel 2003 - 2007 F250, F350 pickup and F350+ Cab Chassis, 2003 - 2005 Excursion and 2003 - 2009 van

need a little help

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Old Jan 16, 2007 | 08:30 AM
  #1  
vonndogleg's Avatar
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Question 2003 6.0 litre powerstroke vacuum hoses??

Made a quick stop into one of our ford dealerships in town yesterday and told him my problem...i was driving across provinces yesterday morning when my heater switched permanently to the defrost setting, he said that it is a default for a broken or undone vacuum hose. Anyone had this problem or does anyone know how many vacuum hoses there are and where to look please??
 

Last edited by vonndogleg; Jan 16, 2007 at 08:50 AM.
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Old Jan 16, 2007 | 08:48 AM
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Welcome to FTE and the 6.0 forum vonndogleg

When you get a chance you might want to cruise over to our Tech Folder for some great 6.0 info.
https://www.ford-trucks.com/forums/303583-6-0l-diesel-tech-folder.html

Please take a few moments to read our site guidelines as well.

https://www.ford-trucks.com/guidelines.html

Before anyone can help, it will be nice to know exactly what model year your truck is.

On Edit, this may help:

2005/06 A/C or Ventilation Control Problems:
Trucks built between 9-15-04 to 6-8-05 may blow air out of the defrost vents with the mode selector in other positions. The vacuum pump may also run excessivly. Lower the glove box and inspect the vacuum lines to see if they are wraped around the panel/floor door actuator rod. If the hoses are wraped around the rod, inspect for damage to the hoses. If the hoses cannot be repaired, replace them with part number 5C3Z-19D699-AA for automatic temp control or 5C3Z-19D699-BA for manual climate control.
TSB 05-14-9.
 

Last edited by kw5413; Jan 16, 2007 at 08:51 AM.
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Old Jan 16, 2007 | 11:35 AM
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check to see if your vacuum pump is even coming on. if so, the popular spot is the white hose above the passenger foot well on the recirc door motor. make sure the hose is on the nipple.
 
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Old Jan 16, 2007 | 11:56 AM
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He has a 2003 (listed in the header)
 
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Old Jan 16, 2007 | 01:03 PM
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Yep. My bad...
 
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Old Jan 16, 2007 | 05:17 PM
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thanks guys, but now my floor heating kicked in again meaning its probably an intermittent problem with something along the vacuum lines, only i don't know what it all consists of...so chances are none of my lines are unhooked or broken...
 
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Old Jan 16, 2007 | 05:24 PM
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what mode did you have it in when it quit the first time? do you have eatc?
 
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Old Jan 16, 2007 | 05:27 PM
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i had it on defrost and floor, then i changed it to straight defrost to heat my windshield for suction cups on my radar detector, then it would not change...what is eatc??
 
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Old Jan 16, 2007 | 05:28 PM
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electronic automatic temperture control
 
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Old Jan 16, 2007 | 05:30 PM
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no i don't have that, just those plain and simple 3 turn dials
 
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Old Jan 16, 2007 | 05:32 PM
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you may still have a leak but a small leak. defrost vents all vacuum off the system while vent and floor uses some vacuum.
 
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Old Jan 16, 2007 | 05:36 PM
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i'll have to start looking, but i guess it might be easier to take it to the dealership to do a test...
 
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