materials needed
seafoam - i bought one can, if i had to do it again i would have gotten 2 to be honest
1-2 feet of vacumn hose (i used this)
OR
1-2 feet of 1/2 inch outside diameter to 1/4 inch inside diameter tubing
t-25 torx driver (if you go the 1/2inch to 1/4 inch tube method)
basket ball needle (for the 1/2 inch route)
so this is very simple however you should change your oil, and spark plugs immediatly after you seafoam, why? bc your sparkplugs will most likely foul and while you can leave it in your oil, this product is designed to clean your engine, so where does all that carbon build-up go after the seafoam? your oil, so switch it out with some fresh liquids after your done
step one:
1/3 of the bottle in the gas tank (if you can't do this step then hire a mechanic
)step two:
1/3 of the bottle in the oil (nothing fancy here it, unscrew the oil cap, pour it in)
step three
A)
the vacuum hose method
if you go the vacuum hose route (if you have a boost gauge and have tapped the vacumn part), pull off the boost tap, and attach the vacuum hose
start the car, the idle will be rough bc of the vacuum you have created, pour the rest of the seafoam into a coffee mug or a something where you can see the liquid. use the car's vacuum pressure to slurp the seafoam into the intake manifold. DO NOT dunk the hose into the seafoam, you will stall your car out, instead try to get a nice slurping noise much like taking the last sips out of a big gulp from 7-11.
it will suck up the seafoam very fast, this shouldn;t take longer then like 2 minutes at best
B)
the 1/2inch to 1/4 method
attach a basketball needle to the hose
unscrew the one t-25 torx screw holding on the IAT temp sensor which is located on the top of the intake manifold (pretty easy to find but i will be posting a picture later)
stick the hose into that hole (should be about the size of a 1/2 inch diameter
hold onto that hose as a friend starts the car, the idle should be a slightly rough but the opening of the basketball needle is so small that the loss of pressure should not be that great
again pour the rest of the seafoam into a coffee mug or something and slurp the seafoam liquid using the basketball needle and the vacumn from your car
step four
once done, shut off the car, replace the IAT sensor/boostgauge hose, start the car up, drive it fairly hard for about 15 miles (i basically did this one a 1/4 tank of gas, did the seafoam, drove to a gas station that was decently far away and drove back to finish with an oil/plugs change)
you want to take it up to redline a few times while the white smoke is still present
you will have looooooooottttttssssss of white smoke, it will look stupid, people will stare at you. it will be almost as if your car is on its last leg, but it ill run fine and perform great
by about mile 10 the white smoke should cease meaning that the seafoam in your intake manifold is all gone
step 5)
all done, change oil (let the car cool down obviously), change plugs, change clothes
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Originally Posted by themadscientist
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