Oil on Spark Plugs A Sign of Valve Seal Problems

Oil in the spark plug tubes is caused by shrunken and hardened spark plug tube seals, which can easily be replaced by just pulling the valve covers. The spark plug being wet with oil could be from three things. 1. worn rings. 2. hardened valve guide seals. 3. stuck rings on that cylinder ( ... It's the valve cover gasket at the spark plug hole. It won't hurt anything. Ig you want to fix it you have to replace the entire valve cover. My ... This is the valve cover gasket leaking and maybe loose spark plugs as well. Lucky for you all you would need to do is either replace the gaskets and/or tighten ... 1992 - Up: Aeros & Whales 4.6L Based Powertrains 4.6L Archive Steering, Suspension and Brakes Body and Interior Modular High Performance 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 ... It looks legit, that is if you actually get that identical part. The few times I've bought OEM items off ebay I normally see if the seller is ... You will need to replace the entire rocker cover because the plug seals are built into it. Ebay has a great plastic rocker cover for 50 bucks a ... While using a nickel based anti-seize compound is acceptable. Never use oil. The area where the spark plugs screws into can get hotter than what ... Cleaning the spark plug with carb cleaner should be fine. Inspect the plug for damage on the electrodes. If no pitting or excessively large gap, ...