Question about Saturn L300

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What is the procedure for replacing the spark plugs on the 2.2L engine for a 2004 Saturn L300? I have never worked on an engine with the newer ignition systems. Is this something I can do or should a professional be consulted? Thank you for any advice you can give. Regards, Frank

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  • fjsorce May 08, 2009

    That part sounds simple enough but I am more concerned about the aparatus on top of the engine that contains the coil. There are four screws that appear to hold that down. Do I simply loosen them and remove that part. Should I disconnect the wire harness that goes to it first? Any suprises I should be made aware of? That's what I don't have experience with.

    Thanks for your help!

  • yadayada
    yadayada May 11, 2010

    unbolt and unplug

  • yadayada
    yadayada May 11, 2010

    very simple, remove theold plugs with a 5/8" plug socket, gap the new plugs to specification and screw them in and tighten them to about 40 foot pounds of torque.

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Remove the 4 10mm bolts on the ignition module and pull it out then you can remove the plugs. the module is the 4"x12" black box on top of the valve cover that says ecotech on it.

Posted on May 23, 2009

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