i had the same problem, i took it too a local shop and they said to remove them they would have to crack the head to remove them.... so i said forget that... i used PB Blaster, stuff works wonders, basically a acid per-say!! let its soak for about 1 hr or so then try removin them!!
Generally, to replace spark plugs on a Subaru vehicle, the spark plug boot should be removed. Then, the old spark plugs should be removed using a socket wrench, and replaced with new ones.
The spark plugs in this car are on the side of the engine. They are seen after the engine cover is removed.
The coil packs have to be removed ( 2 screws) and the spark plugs are underneath.
If a plug is just stuck in the hole, it can be removed with the correct tool. You should use a spark plug wrench to remove it. Sometimes it just takes a little extra elbow grease.
To change the spark plugs on a Vauxhall Zafira open the hood of the vehicle. The spark plugs will be located on the engine. It is best to used a spark plug removed to unscrew the plugs. They will be connected to a cable. Remove the cable. Replace the plugs with new ones and reattach the cable.
To replace the spark plugs from a 2004 Kia Sedona the plug wires ,must be removed from the engine. Unscrew the plugs. Properly space the new plugs and screw them in.
The plugs are removed with a ratchet and 5/8 inch spark plug socket.
The 2006 Toyota Tacoma V-6 engine spark plugs can be removed with a 5/8 deep well socket. Turn the socket to the left to remove the spark plugs.
At the top of the engine. The intake needs to be removed to access the plugs on the drivers side. Since there are no spark plug wires, the coil packs need to be removed. The plugs can then be removed and replaced with new ones. See the link below for detailed instructions.
The rear spark plugs are covered by the intake manifold plenum which must be removed to access the plugs.
The spark plugs in a Honda VTX 1300 can be removed by first removing the spark plug wire. Twist the spark plug out, using a spark plug socket. Reverse the process to install the new spark plug.
spark plugs are directly in center of valve cover under spark plug boots. Follow wires from coil pack and remove wire from plug. Plugs still can not be seen but can be removed with small spark plug socket and long extension.