Ford Lincoln Mercury 4.6L Intake Manifold Relacement Part 2
Uploader Comments (APDTY)
All Comments (90)
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Does the new intake have a connection for the heater pipe that you removed from the rear passenger side of the manifold?
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can you take the intake manifold off without removing the bracket on back drver side of engine it is very difficut to get my hand in
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I have a 2001 with 120,000 and still doing good. Cross fingers but with a look at what you did I should be fine,, I rebuilt my sons 92 Chevy 350 engine this past summer. Thanks !
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I have a kid telling me he runs 93 Oct gas and gets 38 miles hwy and 28 city with a 98 Grand Marquis 4.6 2 valve, I couldn't help but laugh. I have a 2001 and never received this kind of millage and I owned mine from day one. Now I know the 4.6 calls for you to run 87 Oct only in this car, can you verify this clam this guy has made?
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Cont: If your old O-rings have tears in them, they might not leak fuel but you will have a vac leak that can and will trigger a MIL light thus failing emissions tests. Not to mention a car that runs like crap. You'll be ripping your hair out trying to track down the leak. Also it is a good idea to install new O-rings on the fuel lines too. As I said, they are cheap insurance against a host of problems.
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@7DirtyPawz9 Always do an oil change after work like this. No matter how careful you are, you would be surprised at how much coolant can find its way into your oil system. I hope you didnt run it long because coolant in the oil system will wash all lubrication from critical parts and ruin your engine.
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A good tip that was missed is injector O-rings are cheap. Like on the order of about 10 bucks for a set. Put new ones on. It can save you a headache and possibly a fire later on. While you can reuse the old ones, buying new is not that much and is a guarantee against leakage as long as the injectors are properly lubed during install. Never cheap out on O-rings.
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@APDTY I drained some of the coolant so i didn't make a huge mess in the driveway. the smoke cleared up but the motor still knocks. it's quieter than when i first started the car but the knock is still there. i'll try turning the motor over with the plugs out. your videos are a great help and thanks for your time.i'll let you know what happens.
i just installed a new dorman intake into my 97 towncar. i followed your video instructions to a "T". triple checked every wire connection, vacuum line and bolt. when i turned the key, the car fired right up but the motor smoked like hell and was knocking like a steam engine. any suggestions?
7DirtyPawz9 3 months ago
@7DirtyPawz9 Did you drain the coolant system before beginning? My guess is that when the intake was removed,, coolant may have run down into the intake runners on the cylinder head. as long as it was not a huge quantity of coolant, you should be fine, the smoke should clear up. You may want to remove the spark plugs and crank the motor for a minute with the spark plugs out to try to push out the coolant.
APDTY 3 months ago
what brand of torque wrench do u use ?
X2N18 3 months ago
@X2N18 To be honest, I don't remember what brand it is. I do know it's not a premium brand, but it gets the job done.
APDTY 3 months ago
Will a cracked intake cause the #8 plug to fill up with coolant? Will it also cause the engine to not idle? How does the coolant get into the plug hole if the plug boot seals the hole when it is installed?
Channellock12 4 months ago
@Channellock12 The original intake often leaks around the heater hose outlet, and when that happens, it's very common for the number 8 plug hole to fill with coolant. The boot never makes a perfect seal, and if enough coolant leaks onto it consistently, it will eventually fill up the spark plug tube
APDTY 4 months ago