One problem related to crankcase (pcv) has been reported for the 2018 Chrysler Pacifica. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2018 Chrysler Pacifica based on all problems reported for the 2018 Pacifica.
Pcv valve failure. There was oil leak outside. When taken off, there was oily gunk inside. When shaked, it was obviously completely stuck. I took out and cleaned it thoroughly.