Spark Plug Oil What It Means and How to Fix It

It's the spark plug o-rings. Just take off the valve cover and replace them. There are 4 total and are included with the valve cover gasket set. The dealer is telling me that oil is leaking into the spark plug tube through the cylinder head. The dealer is telling me it will cost $1400 to fix. Even well sealed running engines will produce some level of oil misting under the hood, Could be due to a tiny seep from a spot in the valve cover or perhaps a ... I've replaced the gaskets on my 5.2 V10 twice now and still fight oil leaks in the spark plug wells. It's a on going battle. If anyone has tips or tricks to ... If it took that long... it was a simple solution..... it was time to change plugs anyway.. so new plugs, clean out the hole... and drive until ... If you have oil in your spark plug hole then there is a 99.99% chance that the valve cover gasket is the culprit. Make sure you replace those tube seals (that's what keeps the oil out of the spark plug tubes), they should come with the valve cover as long as ... This is because the o-rings around the spark plug cavity are leaking. It's a combination of these o-rings and the valve cover gasket that keeps ... If there is any question, the spark plug tube seal is offered by GM - Part Number 12607600. "Window shopping" for a Silverado isn't all that bad ... If is running too "rich" then you should see black smoke, when it is extreme, and see a black build up on the plugs. I would also expect codes ...