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Stock intake plentum install info needed

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Old 09-08-2013, 07:32 PM
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Stock intake plentum install info needed

Been fighting egt issues for some time now. Been fixing every problem I came across . Now I have discovered a boost leak at the sheet metal intake plentum. Old ones came off easy ,,, maybe too easy,,. Got them all cleaned up and even bought the motorcraft adhesive. Is there anything I need to know before I start reinstalling?
My plan is to put an even bead of silicone on the plentums and pull the bolts down evenly.
Do I need to pull them down finger tight and wait for it to tack up for about 20 mins before final tightening? Or just go ahead and snug them down while its wet?
As big of a PITA as this is, I sure as heck don't want to do this again.
Thanks,,,
 
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Old 09-08-2013, 08:22 PM
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I would practice sliding it on there dry several times before I installed the RTV.

Finger tight is a loose term, but I'd do finger tight while holding an extension in my hand so there's a little torque on it. You want to squeeze the RTV out some, but not torque it down fully until it has cured. At least that's the way I've always done RTV gaskets. There's probably a procedure that gives much more technical details like there is for installing wheel bearings or lug nuts, but I don't break out the torque wrench for those either.
 
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Old 09-08-2013, 08:27 PM
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Originally Posted by F350-6
I would practice sliding it on there dry several times before I installed the RTV.

Finger tight is a loose term, but I'd do finger tight while holding an extension in my hand so there's a little torque on it. You want to squeeze the RTV out some, but not torque it down fully until it has cured. At least that's the way I've always done RTV gaskets. There's probably a procedure that gives much more technical details like there is for installing wheel bearings or lug nuts, but I don't break out the torque wrench for those either.
Thanks for the input. Ironically, I was test fitting the plentum when I heard my I pad alert for new mail ,and it was a notification from FTE that I had a reply!
Thanks again,
 
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Old 09-08-2013, 09:19 PM
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Originally Posted by speed
As big of a PITA as this is, I sure as heck don't want to do this again.
Thanks,,,
Plenums are a 6 on the PITA scale... cups are a 9. If this project challenges your chi... hire somebody if you ever need cups.





 
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Old 09-08-2013, 10:10 PM
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Oh believe me I will. I have a guy who does good work reasonable. Time constraints forced me into action on this one..
 
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Old 09-08-2013, 10:17 PM
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What all do you need to take off to get to the intake plentums? Does the turbo have to come off?
 
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Old 09-09-2013, 06:09 AM
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Originally Posted by B_Allen
What all do you need to take off to get to the intake plentums? Does the turbo have to come off?
The turbo, turbo pedestal, fuel bowl, wiring harness, plenums, glow plug relay, and remember to just loosen that bolt on the passenger side under the HPOP reservoir.

 
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Old 09-09-2013, 01:54 PM
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I didn't pull the fuel bowl. That's why it was such a pain in the ....
 
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Old 09-09-2013, 01:58 PM
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Oh and it's a really good time to prevent hard fuel line failure by adding some rubber to the rear clamp that holds the passenger side fuel line.
 
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