Sea Foam
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Elder User
Joined: Nov 2007
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From: Michigan
Sea Foam
I know there are past threads on this but I have a question concerning sea foam. My 02' f150 screw with a 5.4 has just eclipsed 115k and I haven't run any fuel additives to clean the injectors and fuel system.
I purchased Gumout complete fuel system cleaner and just added it to the gas tank since this is easier to use than Seafoam. I also purchased Seafoam in case I wanted to use it.
Can I use Seafoam through the vacuum line while I'm running the Gumout through the gas tank? Where and what is the vacuum line they speak of? Lastly, would using the Seafoam do something that the Gumout won't, is it worth it?
Thank you in advance for your replies.
I purchased Gumout complete fuel system cleaner and just added it to the gas tank since this is easier to use than Seafoam. I also purchased Seafoam in case I wanted to use it.
Can I use Seafoam through the vacuum line while I'm running the Gumout through the gas tank? Where and what is the vacuum line they speak of? Lastly, would using the Seafoam do something that the Gumout won't, is it worth it?
Thank you in advance for your replies.
Tuned
Joined: Dec 1999
Posts: 464
Likes: 1
From: Bismarck USA
The thing to keep in mind is that Seafoam can be used in your gas, just like Gumout. I would say the end effect would be a wash. But you are just cleaning the injectors.
If you run the Seafoam into the vacuum line, you're cleaning out the intake system. Not the injectors. So different application there. And I don't think you can do that with Gumout.
If you run the Seafoam into the vacuum line, you're cleaning out the intake system. Not the injectors. So different application there. And I don't think you can do that with Gumout.
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Elder User
Joined: Nov 2007
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From: Michigan
That's what I was looking to do, run the Seafoam through the vacuum line. I figured that the Gumout will do the injectors, I just wasn't sure what the Seafoam application would do.
Where and what is the vacuum line, is it easily accessible?
Where and what is the vacuum line, is it easily accessible?
Tuned
Joined: Dec 1999
Posts: 464
Likes: 1
From: Bismarck USA
Quite honestly, I've never done it myself. Going from memory, I think there is one near the brake master cylinder I recall some using. I don't think it really matters which line you use. But the one with the shortest line would be best.
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Elder User
Joined: Nov 2007
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From: Michigan
Ok thanks I'm still a little hesitate on using it regardless of what people say on here. My truck runs fine and I was just doing maintenance stuff to it and I heard of using it. I think I'll just wait until my truck starts running funny and then look to use it. I guess it's just another bottle I can throw on the shelf.
Thanks merc for your replies.
Thanks merc for your replies.
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Elder User
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From: Michigan
I was reading in other parts of this site that the spark plugs should be changed after this? They were changed about 20,000 miles or so ago so I would not like to do that.
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Cargo Master
Joined: Dec 2006
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From: Central NY
I don't think i'd bother with changing the plugs after that....but i would run the hell out of it for a bit....
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Elder User
Joined: Nov 2007
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From: Michigan
I was thinking about that, just do it when I think I go about changing the plugs can't go wrong with that.
The bottle I have is just a can of liquid, it's not spray the bottle resembles a brake fluid bottle, it's white, with red logo and black lettering all over it. If you ask me it looks like it was first developed in the 50's or 60's and they never changed their design. Don't worry about the jaked thread at least I know someone else out there is curious about this so called "miracle liquid".
The bottle I have is just a can of liquid, it's not spray the bottle resembles a brake fluid bottle, it's white, with red logo and black lettering all over it. If you ask me it looks like it was first developed in the 50's or 60's and they never changed their design. Don't worry about the jaked thread at least I know someone else out there is curious about this so called "miracle liquid".
Senior User
Joined: Jul 2007
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From: shawnee, KS
i have a '94 bronco with a 5.0 and an '02 f.150 with the 5.4. i also had a '00 f.150 with the 4.2 v6 that my dad drives now. i usually run a bottle of seafoam every other oil change. i put 1/4 in the oil, 1/2 in the gas tank, and the last 1/4 through the vacume line. you can move the clamp on the brake booster and pull it off while it is running, then stick the hose in the end of the bottle and tip it so it slowly suck it in. the engine will bog down a little when you pull the vacume line, and it will die if you give it straight sea fome through the hose, so just let suck it in easy. i have done this in every vehicle of mine and haven't ever had problems with plugs, or anything else for that matter.
Fleet Mechanic
Joined: May 2005
Posts: 1,739
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From: Vale, NC
I use seafoam about once a year. I take an old coke plastic 20 oz bottle and cut it in half so I can pour the seafoam in it. Makes it a little easier to get the brake line to suck it in. Then just pull the booster line and like was said let it slowly pull in the seafoam. After you get it in there, turn the engine off and let it sit for 5 minutes - I think that is what the bottle says. I think it is like steam-cleaning the inside. The hot engine and the seafoam mix up and when you start the truck again you'll think you've ruined your truck. Smokes like you can't believe. That is all the carbon buildup being blown out. After a few minutes the smoke disappears and everything is clean. I've had lots of trusted mechanics I know swear by it and it has never fouled a plug of mine or done anything negative to my knowledge to my vehicles.
I probably would run the gumout out of my tank and then do the seafoam. Just in case there was some time of unexpected chemical reaction.
I have also run it in the oil like was posted but don't do that as often. Ususally put in 1/2 a can and let it run for 100-500 miles and then change the oil.
I probably would run the gumout out of my tank and then do the seafoam. Just in case there was some time of unexpected chemical reaction.
I have also run it in the oil like was posted but don't do that as often. Ususally put in 1/2 a can and let it run for 100-500 miles and then change the oil.
Posting Guru
Joined: Oct 2008
Posts: 1,145
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From: Hernando Ms
Back years ago,I had a condensation problem in my Airplane fuel tanks,ran the Seafoam through it(Flew the hell outta it) and it never gave me any problems(plugs or otherwise) with that being said,When I got my F-150,I took it to Firestone for a Fuel Injection cleaning(It previously was running fine)...They put some stuff in the fuel tank,and ran some other stuff through the Brake Booster Vac line....ever since I had been getting a converter code,and performance/mileage dropped. Just recently have I replaced the converters(from bearriver) and its back to its old self.
The absolute BEST fuel Injection cleaning Ive seen is where they remove the fuel pump relay,and run the engine on a pressurized tank of chemicals.Attached to the schrader valve on the fuel rail...
I observed this on a throttle body injector ay Goodyear years ago,the mechanic performing the service hooked up a timing light to the injector trigger line,when it would flash it "froze" the injector pattern so you could actually see the spray pattern(in this case it was blobs)...after the cleaning,you could see nothing but a fine perfectly proportioned mist.
The car (which ran like crap when it came in) was an absolutely different running car afterwards....
The absolute BEST fuel Injection cleaning Ive seen is where they remove the fuel pump relay,and run the engine on a pressurized tank of chemicals.Attached to the schrader valve on the fuel rail...
I observed this on a throttle body injector ay Goodyear years ago,the mechanic performing the service hooked up a timing light to the injector trigger line,when it would flash it "froze" the injector pattern so you could actually see the spray pattern(in this case it was blobs)...after the cleaning,you could see nothing but a fine perfectly proportioned mist.
The car (which ran like crap when it came in) was an absolutely different running car afterwards....