Question about 1997 Buick LeSabre

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1997 Lesabre change three rear spark plugs. I changed the three front plugs and wires, but have problem getting to the rear ones.

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  • bill8569 Jul 16, 2010

    I had read a solution on the net saying it is possible to remove some connector bolts and reposition the engine, making it easier to access the rear three plugs. ???

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These are pretty hard to do even for an experienced tech. The only way to do it with any time consuming mearsure is to feel your way around. You will end up using a 3" and 1" extension, long handle 3/8" ratchet that will allow you to break them loose, and then a short handle to screw them out. Take off one wire at a time and replace the spark plug. Use anti sieze on the threads of the plugs and be sure to use AC Delco plugs or you will get either driveability issues or a check engine light on for what will seem like no reason. It would also be a good idea to use di electric grease on the end of the wire before you install it. Let me know if you need anything else.

Posted on Jul 16, 2010

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Hi! Yes its kinda painful doing it. You will have to move the hose and do it from the top. Its gonna be easier if you can find someone with skinnier arms to fit in. Its frustrating but doable. HOpe this helps and have a good one!

Posted on Jul 16, 2010

  • dj_relly999
    dj_relly999 Jul 16, 2010

    It can be, but moving the hose to go thru from the top is much better.

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