Intake manifold gasket?

Bello all. I have a quesrion that i bavent. Een able to find tbe answer to. 098 4.6 expy. Bas .Een using water like crazy alo g with a misfire. I believe i am hydrolocked after truck sat overnight it wont crank.. My question is, is this caused by the upper or lower i take gasket? I also saw something about stud replacement and im not sure which studs they were talki g about and if this is necessary wben cbanging gaskets. Also it looks as if my intake is made of aluminum and not plastic. I dont want to start tearing this down until i am a little more informed. Please forgive my typing for i am doing this with fat fingers on my phone

Sounds more like you've got blown head gaskets. It's possible your intake is contributing to your issue. Usually when the intake gaskets fail, you get coolant leaking externally, not internally. When the gasket on intake fails, you will get an intake vacuum leak that will cause a rough engine, and misfire. That fact that you hydro locked your motor, tells me you've blown your head gaskets, and possibly cracked engine block. You have a lot of water in that motor, that should be in radiator. You need to dismantle this puppy! By the way I've got huge hands too, I just use the back button and proof all my posts. It's pretty easy to do! Moose

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Wow, thats not what i wanted to hear.
.
Guess i have some decisions to make. Thanks for the into moose

Yeah, bad news is never welcome, but especially with the hydro lock issue, your dumping water into your crankcase. On top of your immediate problem, your washing away oil in rod, and main bearings, not to mention the rest of motor. Sounds like you've been driving awhile with this cooling issue, not good. Your safest bet is to find another motor. Remember even if you get it right, you've got to diagnose what caused this to begin with. You might want to troll pick and pull, or whatever self service wreckers near you. Find a wrecked first edition expedition, or f150 pickup, that has a motor that looks all shiny and new. Chances are the owner put a new motor in before he wrecked it! Moose.

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Moose, as far as i know there is no water in the crankcase. I had checked the oil just before it got to where it sits now. I talked to the guy that i got the truck from and he said he put some of that liquid head gasket repair in it and it did fine till now.
Work for me is really slo rite.now . It has been raining for tbe las week i am half t3mpted to put ano5he4 can of that stuff in and see 8f i can get two more weeks of work out 9h it

I've never liked any of the snake oil in a can crap. All it does is expand and plug up your cooling system. But if you don't have the funds to tear it down and repair, your already probably looking at another motor anyway, so roll the dice, and hopefully you get 7 or 11! How bout finding a running $500.00 or better still free clunker to get you through!

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Thats about .what i thougbt you would say about tbe quick fix. Why do you tbink the block is cracked? If it werent for that i would tear it dowm have the heads done and put it. Ack together rite now. But the block being cracked puts me dead in the water

How many miles on this engine? If its over 200 k, you may want a different motor. Any time you replace head gaskets its always a big gamble. Block cracks are not as common as the gaskets failing. A cracked block is a slower coolant leak that gets worse as engine gets hot. One of the characteristics is oil mixing into coolant in radiator and expansion tank. Either way when your ready you'll have to tear into it. Use either Ford or felpro gaskets, don't buy the cheap bargain ones on internet. You don't want to do this job a second time. Moose

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Brian herrera said:

Bello all. I have a quesrion that i bavent. Een able to find tbe answer to. 098 4.6 expy. Bas .Een using water like crazy alo g with a misfire. I believe i am hydrolocked after truck sat overnight it wont crank.. My question is, is this caused by the upper or lower i take gasket? I also saw something about stud replacement and im not sure which studs they were talki g about and if this is necessary wben cbanging gaskets. Also it looks as if my intake is made of aluminum and not plastic. I dont want to start tearing this down until i am a little more informed. Please forgive my typing for i am doing this with fat fingers on my phone

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Hooked on phonics? Ebonics? Come on!

When it was running was it blowing steam out of the exhaust? The reason I ask is because I have a 99 5.4 L that I thought had blown a head gasket. It has the aluminum plenum ( upper portion of the intake manifold ) and a plastic lower portion. After replacing the heads, gaskets and the intake manifold I still had the same problem. Does your throttle body have a fitting on the passenger side that the PCV hose goes into the center of and also a small coolant line that goes into the same fitting via a nipple on the fitting and then comes out the other side of that fitting via another nipple? It would be about a half inch diameter coolant line. If it does you may have the same problem that I had. What happened on mine was a hole blew through the chamber inside that fitting and vacuum was sucking coolant into the intake manifold and then into the cylinders. All I had to do to fix the problem was bypass that fitting with the coolant line and then cap each of those two nipples. It's been 50,000 miles since I did that and I've never had another problem with it. I could actually see liquid in the bottom portion of the intake manifold by using an inspection mirror and looking down through the throttle body into the lower portion of the intake manifold. It's much easier to see if you pull the throttle body off first. I hope your problem turns out to be the same thing because it only took me 15 minutes and didn't cost anything to fix it. If that is the problem, after you make the repair, it will take about an hour of running at idle before all the water will get out of the intake.