SeaFoame it stoped smoking for two days and then smoking came back

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10-15-2009, 09:01 PM

Clark4x4

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Model: Cherokee

SeaFoame it stoped smoking for two days and then smoking came back

Any ideas guys i have no clue it puffs blue smoke?? but has alot of power

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10-15-2009, 09:15 PM

NewXJaddict

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Model: Cherokee

Did you drain the oil after the seafoam?

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10-15-2009, 09:20 PM

89Laredo

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Blue smoke usually means its burning oil.. How did you use the seafoam? Its usually 1/3 in the oil, 1/3 in Gas, and 1/3 through the intake (IIRC).. Is this what you did? If so did you change the oil afterwards?

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10-15-2009, 10:12 PM

Clark4x4

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i never put any in the oil it was not smoking for two days wtf i dont understand

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10-16-2009, 01:50 PM

Clark4x4

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anyone... anyone at all??

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10-16-2009, 02:14 PM

cptcliffhanger

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Year: 93

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replaced the valve at the back of the valve cover, then mine stopped smoking. PCV maybe, can't remember. Somebody told me it would work, and it did..

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10-16-2009, 02:22 PM

Clark4x4

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Quote:

Originally Posted by cptcliffhanger

replaced the valve at the back of the valve cover, then mine stopped smoking. PCV maybe, can't remember. Somebody told me it would work, and it did..

the little valve on top of the valve cover???

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10-16-2009, 03:03 PM

nasonguy

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Year: 1998

Model: Cherokee

Engine: 4.0 HO

Quote:

Originally Posted by Clark4x4

the little valve on top of the valve cover???

Yes, that is the PCV, although I'm failing to see how that would cause a vehicle to smoke.

Pulling oil into the intake via the PCV?

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10-16-2009, 03:45 PM

cptcliffhanger

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Year: 93

Model: Cherokee

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It didn't make a whole bunch of sense to me either but my buddy assured me he fixed an other smoking cherokee that way and sure enough it stopped smoking.. something about crankcase pressure and oil getting in the intake.. alls I know is it stopped smoking, $10-$20 part.

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