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Go Back   Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum > 2002 - 2009 TrailBlazer/Envoy Tech > 02-09 General Tech Q&A > General

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  #1  
Old 09-14-2009, 02:47 PM
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mypetropig mypetropig is offline
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advantages of seafoam

Ive seen a few posts about the use of seafoam. Some say to poor it in the brake boost/vac line others in throttle body and or crank case.What are the advantages of doing so and what should I be on the look out for as far as problems or codes. If I wanted to put in the throttle body what is the prefered method on how to get it in?
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Old 09-14-2009, 02:55 PM
Loverotties Loverotties is offline
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Seafome is sucked up in vacuume line of brake buster,in oil 100 mile(ithink) before changing oil,in the gas tank and you use their spray in the throttle body off the truck and reinstall.Hope that helps.I did all except the" in the oil "one.P.S. Never had a code.
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Old 09-14-2009, 03:07 PM
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Old 09-14-2009, 04:21 PM
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seafoam

O.K. So they have it in a spray for the throttle body,thats cool. My throttle body should still be spotless as I cleaned and polished it a few short weeks ago.(Removed it and cleaned and polished both sides ) Next I would assume that when in the gas tank it is intended purpose is to clean the injectors and fuel rail etc,but what does it do when you put it into the vaccum line or in the oil. Clean the intake and remove sludge? I am currently running Z-max in the gas and oil,will it remove all of the benificial qualities of that product or are there any? Any info on these procedures would be helpful.
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Old 09-14-2009, 05:24 PM
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Quote:
Originally Posted by mypetropig View Post
O.K. So they have it in a spray for the throttle body,thats cool. My throttle body should still be spotless as I cleaned and polished it a few short weeks ago.(Removed it and cleaned and polished both sides ) Next I would assume that when in the gas tank it is intended purpose is to clean the injectors and fuel rail etc,but what does it do when you put it into the vaccum line or in the oil. Clean the intake and remove sludge? I am currently running Z-max in the gas and oil,will it remove all of the benificial qualities of that product or are there any? Any info on these procedures would be helpful.
Adding anything to the gasoline tank won't clean the intake tract on any direct port fuel injected engine. That's why we use seafoam in the intake. The easiest way to get it there is to use engine vacuum to suck it up through the vacuum line heading to the brake booster.

Why clean the intake tract? Simply, all the oil blow-by coming from the engine IS carried in the intake tract. After a while, it gets all carboned up and oily, disturbing the airflow and otherwise gunking things up. The only real way to clean it is as described above, so we do.

There are a number of products available for the purpose. Seafoam is probably the most reliable and best known. I'm not familiar with max-z, so I can't say. In the oil or fuel, I prefer Marvel Mystery Oil or Lucas treatment myself. Of course, best is to simply run a high grade of synthetic and not worry about gunk in the oil. Fuel is another story, and it needs cleaning on occaision.
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Old 09-14-2009, 10:45 PM
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seafoam

Thanks for shedding light on the seafoam in the vaccum line, it all makes since now.I run Castrol Syntec blend 5w30 and a good quality filter so hopefully no harm in the engine.
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Old 09-14-2009, 11:23 PM
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Zmax is pretty much just mineral oil, and doesnt do much more than any other cleaner. The seafoam is beneficial because it atomizes in the intake to clean when sprayed, removes water vapor and cleans the fuel system when put in the tank and crankcase .
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Old 09-15-2009, 02:24 AM
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seafoam

Final questions on the seafoam.What is the procedure for putting it in the vaccum line? How much should I use? How long should the engine run or should I turn it off and let it sit for a while ? If there is already a post or link just direct me to it.Thanks.
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Old 09-15-2009, 02:27 AM
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Old 09-15-2009, 11:09 AM
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seafoam

If I only put seafoam into the vaccum line and in the gas would I need to change the oil afterwards or does the oil change come only after using it in the crankcase? Should I also be prepared to change the plugs after the vaccum application? Sorry for so many questions on what seems like a simple process but there is alot of info on this,almost too much.
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