Question about 1994 Lexus GS 300
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Posted on Jan 02, 2017
SOURCE: New spark plugs in a 2003 Lexus
Yes, it is very hard to change the plugs. Your lexus also likely has coils on top of the plugs, which you especially don't want to break. I would recommend taking the car into a dealer for the repair.
Posted on Dec 08, 2008
You need a new Spark Plugs Spark Plug Wrench Socket wrench Extension (At least 2-3 inch) size 10 socket size 12 socket...
First thing you need to do is find out where the spark plug cover is. Once you figure that out there will probably be size 10 or/and 12 bolts honding it down. Take that off and there you will see sensors connecting to each other and holding the spark plug in the cylinders. Unplug all the sensors and pull out the circular plugs holding the spark plugs down. THey might be a little tight and hard to get out so you're going to need to give it a good tug. Once you pull them out MAKE SURE YOU DONT DROP ANYTHING INTO THE CYLINDERS. You can look down into them and see the spark plugs. Get your spark plug wrench, extension, and socket wrench and stick them down in and push so that the spark plug wrench grabs them. Just simply unscrew the plugs, pull them all out, and then put the next ones in, and tighten them down. Just connect all the sensors, and put the cover back on and you're done. Pretty simple.
Posted on Jul 23, 2010
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