It's tricky, but can be done with a little elbow grease. Check the end of the thread for a little tutorial,
http://www.toyotanation.com/forum/showthread.php?t=177338
Good luck,
Pdiggity
You can try twisting them on the plug to break the seal. Sometimes it is impossible and you need to replace the wires.
replace valve cover gasket. there are 4 small rings that seal the plug ports. this keeps oil out of the spark plug port.
Take the dipstick tube with you to the auto parts store, and see if they can match you up with one.
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
They seal oil/water/dirt out of the plug tube.
How do you replace spart plug tube seal of Honda accord LX 1994?
The oil drain plug seal is located on the oil drain plug itseft. So Next time you have your oil change. Since the oil drain plug is going to be out to drain oil then replace the seal with a new one. The seal goes right on the plug itseft. easy job.
Twist boot then pull, this will break the seal from the plug.
There is current leak. Find the leak and seal it.
To fix a weed eater with a stripped spark plug hole, you can use a spark plug thread repair kit, which typically includes a tap and inserts designed to create new threads for the spark plug. First, clean the area around the hole, then tap it to create new threads. Next, insert the threaded insert according to the kit instructions, ensuring it’s securely in place. Finally, replace the spark plug and check for a proper fit to ensure a good seal.
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.
usually the valve cover gasket and the oil seals on the top of the cover,replace gasket and the also the distributor seal