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Anyway, I searched and didn't find anything on this.. HOW DO YOU CHANGE THE SPARK PLUGS ON THE SC400?? I keep seeing posts and threads on the sc300. But not the V8. Help?
You need to search more, a simple search on google and on Clublexus gives you tons of results on SC400 spark plug changes. If you cant locate simple sparkplugs I suggest you take the time and get familiar with the 1uzfe or take it to a mechanic or get help from someone that’s knowledgeable in cars before you do something wrong, but if your going to do it yourself here is just one link
You have to remove the intake piping, MAF, etc on the passenger side, then your wire/timing belt covers. You'll need a couple different size socket extensions to reach the spark plugs.