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Old 10-13-2016
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Icon4 Wisdom Needed for Intake Manifold Gasket Set

Okay, so I'm in need of replacing my Fuel Injectors; and I have been Trying to pin down a Gasket Set: Key Word "Set". My Mechanic is saying that I need the "Set, but I cannot find a "Set" for the 4.0. (Now maybe my Mechanic isn't hip on the Ranger, maybe he is; but Every Where I look -and I mean Every Where*- there is no "Set" for the 4.0. *Even on the fordparts.com site.)
So would Someone PLEASE help me get this pinned down? Please?!? THANK YOU!!!
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Old 10-13-2016
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Thank you, Jeff.
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You're Not going to believe this, Jeff; but my (Old i.e. Fired) Mechanic Ripped the Manifold Fuel Assembly Gasket... and Refused to replace it. Instead he used some special Black RTV stuff.
So far it's held up but I'm figuring that it's going to fail at some point when I'm in the middle of bfe; so I'm going to replace it when I can.
Anyhoo, I thought I'd just letcha know that I appreciated your help!
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Originally Posted by Steven_C_64 View Post
You're Not going to believe this, Jeff; but my (Old i.e. Fired) Mechanic Ripped the Manifold Fuel Assembly Gasket... and Refused to replace it. Instead he used some special Black RTV stuff.
So far it's held up but I'm figuring that it's going to fail at some point when I'm in the middle of bfe; so I'm going to replace it when I can.
Anyhoo, I thought I'd just letcha know that I appreciated your help!
Depends were he ripped it. If it was where the water flows, then that would be a bigger worry.
Even then, if it does fail, it won't be catastrophic, it will be small. Either a small vacuum or coolant leak.
I wonder how he ripped it ???
That RTV stuff is pretty tenacious, it may carry on for years.
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It was on the Side (Driver), and before I got it back into him, it had spewed a 1/2 tank of fuel. but that may have been because he ripped the O-Ring on an Injector. I assume... And I certainly hope that you're right, Brother. Because I'm getting it ready to move to NC, and I would HATE for it to go out during that... lol
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If you're going to take the truck on along trip, it may be wise to have a new gasket put in.
In your first post though you said, you're just replacing your injectors, was the entire lower intake manifold removed ?
The upper intake manifold has to be removed to get at the fuel rail for sure, is that the gasket that was torn ?
The lower manifold should not need to have been removed to replace the injectors.
Maybe the mechanic thought there may have been a vacuum leak there ???
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aw yes, that Original post... yeah, that was Stage 1. lol Yeah, and I drag that out rather long... I'm paying the price for that Mechanics lack of experience, Jeff. And yes, at 1st I was merely attempting to replace my Injectors. But like I said earlier, my Mechanic gave me more work to do. Which is where I'm at now.
But to answer your question about 'Why' he removed it in the First place; he did it because he Thought that he had to, in order to get the injectors out. I've never done the job before, so I don't know. But no, the Gasket that was ripped, was Under the Manifold Fuel Assembly. Not the one under the Upper Intake Manifold Gasket: I [Wish]!
The 'Good' thing with doing things this Go-Around, is that I am going to be replacing Plugs, Wires, and the Coil as well; so I will be able to take it all apart at the Same time and Not have the Clutter of the Wires... :-/ (Try'n to be positive isn't my Best suit... lol )
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How to replace upper intake manifold gaskets | Ford Explorer and Ford Ranger Forums - Serious Explorations
I think this is your engine ??? If the upper intake was the one that was torn, then I would replace it, it's pretty easy to get to.
It's hard to tell where the fuel rail is in these photos, but if the new injectors are in, I suppose it doesn't really matter.
The lower intake gasket is more of a PIA to get too, but if that's OK, then no need to change it.
If it was leaking the truck would run like crap because there would be a vacuum and/or coolant leak.
From what I can see the upper gasket isn't paper like my 3 litre, yours is probably neoprene, some care needs to be taken so it "seats" properly.
Still can't imagine how someone can be so carless that this can be torn.
If it doesn't seat right, then there will be a vacuum leak.


EDIT:
I see the fuel rail now (or at least one side of it) it's covered in dirt and hard to see.
The fuel rail is usually just held in there was some small bolts, once those are removed, the rail is lifted out with the injectors as a complete assembly. No need to remove the lower intake, or least there shouldn't be a need too.

Last edited by Jeff R 1; 2 Days Ago at 04:25 PM.
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Yep, this is the Creature. Now, if you look at the Last Picture -not Diagram- you will see the Manifold Fuel Assembly. (Under those 6 Bolts) He Removed that, and Tore that Gasket/Spacer...
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OK.
Interesting way that was done.
At this point it looks like that section does have to be removed to get at the fuel rail, but from the looks of it, it still doesn't look to bad to remove that section.
It does look like that the whole lower intake manifold does not have to come out though.
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Yeah, I'll be honest with ya Jeff; I was perplexed as to exactly Why he did that. But I'm learning as I go, and really still don't know. I know this much (Now): I will Know when it's all said and Done! lol
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