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How to connect Vacuum Hose on rear intake manifold

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How to connect Vacuum Hose on rear intake manifold

 
Old 08-08-2016, 07:39 PM
  #21  
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IWE is a separate port off the passenger side of the intake manifold. It is independent of the booster hose on the driver side. It is a single line coming off of a single port. Due to the cramped location the IWE is a pain to replace. The photo below shows the IWE location relative to the booster port.



Last edited by pkelly825; 08-08-2016 at 07:58 PM.
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Old 08-09-2016, 10:23 AM
  #22  
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Originally Posted by pkelly825 View Post
IWE is a separate port off the passenger side of the intake manifold. It is independent of the booster hose on the driver side. It is a single line coming off of a single port. Due to the cramped location the IWE is a pain to replace. The photo below shows the IWE location relative to the booster port.


Is that an '04? AFAIK, that is the only year that a)used two ports and b)used the insulation around the lower portion of the manifold. Here is a pic of my '05 manifold. Notice, only one port. The other port was not even molded into the manifold. My '07 is the same way...
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Old 09-04-2016, 12:45 PM
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Just wanted to add my experience on the IWE manifold vacuum leak. Maybe help a few others get it sorted cause it seems to be pretty common.

2004 f150 5.4 3v. Mine blew off after a back fire during a hard start, all the lean codes were set, rough idle and stalling. I managed to find the leak by making a smoke machine, 2 holes in a sealed bucket, one for air pressure, the other with a lit cigarette inside the bucket and a line to one of the vacuum hoses. blocked off the intake and saw smoke coming up the firewall.

I was able to get access to the vacuum port by disconnecting the 4 bolts that hold down the fuel rail, wiggling it to release all injectors (leaving them attached to the fuel rail is best, if they pop off fuel leaks out). After lifting it I could get my hands down behind the manifold. Looking at the pictures provided in other posts really helped, I was able to find the port and get it back on fairly easily once i got my hands in there. I did have to fully lie down on the engine though.

Hope that helps!
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Old 03-14-2019, 06:09 PM
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Originally Posted by vintageman View Post
Here you go, pdf should be attached.
Hopefully it works thank you for the file.
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