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Unread 08-04-2011, 06:20 PM   #1
HighOutputWJ
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Wj is it okay to sea foam my WJ?

my 2002 limited grand cherokee has 105,000 miles and i thought it would be a good time to try sea foam. ive heard great things about it but im not sure how i should exactly use it or if i should use it at all. tell me what you think. thanks for the support!

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Unread 08-04-2011, 06:25 PM   #2
YZ212
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I did mine when I bought it at 75k miles. Put 1/3 in crankcase 1/3 in fuel tank and 1/3 in via brake booster vacuum hose. Not sure if it made any differenc, but I've heard nothing but good about it and it didn't heart either.
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Unread 08-04-2011, 06:38 PM   #3
fireman33
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I did the same procedure. Had a good smoke show. Just make sure you change the oil and the filter about 100 miles after you seafoamed it because the oil will be really dirty.
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Unread 08-05-2011, 12:10 AM   #4
shockracer
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And make sure you do it some were with out cry baby neighbors, you may get a ton of white smoke ( carbon burn off). I yet to do my WJ, but have done it to and 02 explorer with 82k and a Honda accord with 233k, witch smoked like a steam train! Both those are running great to this day and that was 2 years ago
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Unread 08-05-2011, 09:08 AM   #5
WiCkeDuDe
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Yeah its some good stuff.
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Unread 08-05-2011, 09:31 AM   #6
Pockets518
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read the can, do it in well ventilated area as it will smoke like a s.o.b. if your using it as a upper intake cleaners you can use a vaccume line or remove the air box. let it suck in or dump slowly half the can keeping the truck running. after you get halfway through the can let it suck it fast or pour fast the other half so it stalls. let it sit for 10-15min start let run then drike for 5-10 miles or until it stops smokeing. Works great and have done it to all the high milage vehicles ive owned as well as a couple boats.
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Unread 08-05-2011, 10:57 AM   #7
billzcat1
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Agreed it is good stuff, although personally I don't care for it in the fuel or oil. There are much better cleaning products for fuel and oil system. Use it for its intended purpose - warm up the vehicle, suck in about 1/2 bottle through the brake booster line, let it sit 10-15 min, then start/idle/drive it. You will be releasing tons of foul-smelling white smoke but probably notice smoother idle, reduced knock, and possibly even a little more fuel economy.
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Unread 08-05-2011, 05:34 PM   #8
Screamin_99
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It works very well. I ran it through my crankcase in my 99 Firebird and not even 1000 miles later my motor was leaking from the rear main. It was likely leaking before this, but the Seafoam cleared the rest of the junk holding my leak back and thus I had a gusher. It wasn't long after fixing this leak that my motor started knocking (wrist pin)

So my guess is that it was very dirty inside and this seafoam took the junk out that was basically holding it together.
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Unread 08-06-2011, 09:42 AM   #9
tjlmbklr
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Quote:
Originally Posted by Screamin_99 View Post
It works very well. I ran it through my crankcase in my 99 Firebird and not even 1000 miles later my motor was leaking from the rear main. It was likely leaking before this, but the Seafoam cleared the rest of the junk holding my leak back and thus I had a gusher. It wasn't long after fixing this leak that my motor started knocking (wrist pin)

So my guess is that it was very dirty inside and this seafoam took the junk out that was basically holding it together.
The irony in that is I used to have a S-10 with the 4.3 V6 with over 220K on the motor that had a rear main seal leak. Someone suggested using Pennzoil since it gums up. It just about eliminated that seal leak as a result.

I guess Sea Foam is the opposite effect.
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