For Hemi heads where the spark plugs are in the top of the head and there is a tube in the valve cover where the tube meets the head is the tube seal. It is basically an O ring.
They seal oil/water/dirt out of the plug tube.
you can see if its leaking if you have the spark plug in tight and then fill up the spark plug tube with gas and see if it leaks out if it doesn't its still leaking from the top one
Failed seal under the valve cover on top of the plug tube.
Most of the time they look like a small rubber o-ring or doughnut.
You buy a spark plug tube removal tool.. http://www.spendoo.com/1654-buy-pens/4889887-toyota-spark-plug-tube-remover-installer.htm
IF YOU MEAN THE OIL IS DOWN IN THE SPARK PLUG TUBE. THERE IS A SEAL THAT IS IN THE VALVE COVER THAT GOES AROUND THE TOP OF THE SPARK PLUG TUBE, THEY GET HARD AND START TO LEAK INTO THE TUBES AFTER A WHILE. YOU WILL HAVE TO REMOVE THE VALVE COVER TO REPLACE THEM.
The seal under the valve cover around the plug tube has failed.The seal under the valve cover around the plug tube has failed.
The seal on the top of the plug tubes are leaking. You need to change the valve cover gasket and plug tube seals.
How do you replace spart plug tube seal of Honda accord LX 1994?
valve cover and spark plug tube gaskets. they come together in a kit
With mine the spark plug tube gasket broke and one of the spark plug tubes was flooded with oil. Also try changing the sparkplugs. With mine the spark plug tube gasket broke and one of the spark plug tubes was flooded with oil. Also try changing the sparkplugs. With mine the spark plug tube gasket broke and one of the spark plug tubes was flooded with oil. Also try changing the sparkplugs.
Replace the valve cover and plug tube gaskets.