...and NOT a "Knock-knock-knock"!!

Said sound is eminating from the passenger side, and appears to be heat related in that it quiets down at idle after a few minutes in park. Does my 3.5's cylinder head have rocker arms and can they be adjusted? Can that be what this is? <img src="/forums/images/graemlins/confused.gif" alt="" />

Your $.02 very much appreciated. Vacation and a long ride hauling a popup camper looms in two weeks! <img src="/forums/images/graemlins/smile.gif" alt="" />

2012 Jeep Liberty

2000 Trooper 3.5, LS/Burgandy & Grey(O.B.T.2)...<img src="/forums/images/graemlins/cheers.gif" alt="" />

I WAS down with O.B.T. '88 Trooper II
("Old Blue Trooper!" said my kids!...)