2000 Jeep Wrangler Q&A
2000 Jeep Wrangler Question: need valve adjustment specs and actions that go with it, if any, thanx.
The 2.5 L engine has hydraulic tappets. There is no adjustment . You may have a defective tappet or are hearing the knocking noise from another source, possibly carbon buildup on pistons, piston slap, or lower end bearings. - Johnny Mopar
I also have this same issue. What did you find out? I would sure like to know as I am leaning towards listers or valves Thanks - jsnow73