2004 Chrysler Pacifica Q&A
2004 Chrysler Pacifica Question: Broken Rocker Arm
sometimes there will be a hairline crack in parts that you can't see, thats why racing engine builder magnaflux parts before installing to make sure the parts don't have cracks so it could have been there the whole time and suddenly failed - Valleyautotech
I have a 2006 Pacifica and I had to replace 2 rocker arms, do not know how they went bad, just started knocking on a long trip that I just took. Parts aren't cheap but the labor cost is out the window, don't want to have to replace many of these! - Visitor
The engine may develop a ticking noise, often caused by a broken retaining pin on the rocker arm shaft. When the pin breaks, the shaft can spin blocking the oil passage the rocker arms (which cau...