Oil in plug wells
Oil in plug wells
I'm hoping someone can answer my question. I've searched online and can't find anything.
I'm in the process of changing my spark plugs on a 2007 F150 5.4. I've pulled 3 plugs so far, have the lisle tool on hand. Replacing COP boots and springs as I go. Also replacing COP plug connectors as needed.
I've pulled the COPs on cylinders 7 & 8 and there seemed to be a lot of gunk, which looked like hardened oil in the wells and around the boots.i had to scrape and use wire brush to clean around plug well opening. Especially #8, the boot and spring was wet with oil. I'm thinking it came from the PCV connection. When I removed the PCV hose so I could reach plugs easier, it had oil dripping from it. The connection coming out of valve cover has thick oil around it. I know the PCV is non serviceable, so not easy to change. Can I clean it? Should I replace the hose? Is there something else I should check? Any help would be appreciated!
I'm in the process of changing my spark plugs on a 2007 F150 5.4. I've pulled 3 plugs so far, have the lisle tool on hand. Replacing COP boots and springs as I go. Also replacing COP plug connectors as needed.
I've pulled the COPs on cylinders 7 & 8 and there seemed to be a lot of gunk, which looked like hardened oil in the wells and around the boots.i had to scrape and use wire brush to clean around plug well opening. Especially #8, the boot and spring was wet with oil. I'm thinking it came from the PCV connection. When I removed the PCV hose so I could reach plugs easier, it had oil dripping from it. The connection coming out of valve cover has thick oil around it. I know the PCV is non serviceable, so not easy to change. Can I clean it? Should I replace the hose? Is there something else I should check? Any help would be appreciated!


