That lifter noise will go away, if you have a mechanic adjust, or re-tourqe, the rocker arms, Good time to replace the valve cover gasket, , seeing as most of them weep, after a while, on the 4.0. As with all engines, oil and filter changes every 3K are key to longevity.
, seeing as most of them weep, after a while, on the 4.0. As with all engines, oil and filter changes every 3K are key to longevity.
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