Engone gunk
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Year: 1998
Model: Cherokee
Engine: 4.0 I6
Engone gunk
My friend just bought a 99 Cherokee and replaced the valve cover gasket. When we took the cover off everything was covered on gunk. Other than taking a screw driver and scraping it all off, is there any other good way to get rid of this crap?
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Year: 1990
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Drain the oil. Put in 5 quarts of Rotella 15-40 T3 diesel oil with a quart of Marvel Mystery Oil. Use a Napa Gold filter. Run it for 1000 miles and monitor the progress by shining a flashlight into the oil filler hole.
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Don't convince just go with him to walmart and buy it with a mopar or wix or napa gold filter. Problem solved lol. If he asks, say the 4.0 oroginally was intended for diesel tractors.
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That's what I'm gonna have to do. The previous owner took it to Jiffy Lube for oil changes so I'm guessing they didn't do half of what they charged for
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