Chrysler TSB #9004171
2019 Chrysler Pacifica
Affected Component: ENGINE AND ENGINE COOLING
- COVER, Cylinder Head, Left/Right Prior to replacing the cylinder head cover on ANY 3.6L Pentastar Upgrade Engine, verify that there are no steel dowel pins pressed into the cylinder head. If dowels are present in the cylinder head please remove carefully without touching/damaging the cylinder head sealing surface.