same way you replace them in any other 4 cyl. car. Take the plug wires off of the plugs (make sure to keep them in order to be put back on exactly the same or your cylinders will not fire in the correct order), use spark plug socket (the kind with a rubber insert inside it to keep from breaking the delicate porcelain) to remove plugs, replace with new ones, making sure not to overtighten them as that will only make things difficult next time you remove them, and reattach the plug wires EXACTLY as they were. If you cant see your spark plug wires when your hood is open you need to remove the enigne top cover.
Take it to a Toyota dealership
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.
how to replace spark plugs on 2006 camry LE
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.
A Toyota Allion has 4 spark plugs. These spark plugs are not hard to replace, and can be found in the engine, under the hood. After 2008 models, they are harder to replace.
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.
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.
under the plastic head cover (top of the motor) four bolts