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Ted Ritter
Ted Ritter, Toyota Master Tech
Category: Toyota
Satisfied Customers: 4153
Experience:  Toyota Master Tech, ASE Certified
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How do I change spark plugs for 2000 Avalon

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Submitted: 8 years ago.
Category: Toyota
Expert:  Ted Ritter replied 8 years ago.
Remove the black plastic engine cover, there are two 5mm allen bolts holding it on, the "front" (left bank) has three spark plug coils on top of them, these three coils fire the spark plugs in the rear as well, remove the 10mm bolts and the electrical connector and pull the coils off, you will need an extension and 5/8" spark plug socket to get the spark plugs out, that's the easy part, the hard part is getting the ones on the rear out but it can be done without removing the intake chamber, the plug connectors can be pulled off by reaching through form the right for #3+5 and #1 can be pulled of from the left, to get the rear plugs out a few extensions are needed, a 6'',3" and a 12" are needed plus a spark plug socket that has a universal attachment, another swivel extension may also be needed, the idea is to use a combination of extensions to get one of them to come up just past the intake chamber in the back so a ratchet can be attached to loosen the spark plugs, the even harder way is to remove the intake chamber but it's not necessary.

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