first remember the order of the wires. then individually remove the wires then take a extension with a 5/8 sparklug soacket and loosen it.
How do I change spark plugs in 2009 Toyota Corolla? whaT TOOLS I NEED
position of spark plugs on 2003 Toyota coralla
Corollas has a four cylinder engine, it means it has 4 spark plugs.
Take it to a Toyota dealership
There is an article with video on how to change spark plugs at ; http://www.carbasics.co.uk Look in their 'how to' section.
In the cylinder head, on top of the engine block.
Change the valve cover gasket.
take off the engine cover then you will see the 4 spark plugs on top remove the rail first then they will just pop off DON'T FORCE THEM OFF OR YOU WILL BRAKE IT
Remove the old plugs, install new plugs.
To change spark plugs on a 1994 Toyota Camry, remove the black shafts. The spark plugs are down the four holes. Use a socket set with extension to reach the spark plugs. Replace old spark plugs with new ones.
The correct spark plug gap for a 2000 Toyota Corolla is .043 inches. Most spark plugs are pre-gapped, but its best to check before installation.
under the plastic head cover (top of the motor) four bolts