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On Monday, November 10, 2025 at 07:41:27 PM EST, you wrote: <br></div><div><br></div><div>>I am a big believer in impact wrenches, air or electric. It is that fast, hard whack they give </div><div dir="ltr" data-setdir="false"><span>></span>that actually puts less torque against the threads. Penetrating oil may or may not do </div><div dir="ltr" data-setdir="false"><span>></span>anything, but if you wanted to soak them down overnight and then hit it with an impact </div><div dir="ltr" data-setdir="false"><span>></span>wrench in the morning, I would not be surprised if they all came out without any damage.</div><div><div id="ydp9cf4150fyiv5900319137"><div><div dir="ltr"><div style="font-size:small;" class="ydp9cf4150fyiv5900319137gmail_default" dir="ltr" data-setdir="false"><span>></span><br clear="none"></div><div style="font-size:small;" class="ydp9cf4150fyiv5900319137gmail_default" dir="ltr" data-setdir="false"><span>></span>If they do not need changing at this point (new plugs can last 100K miles) you might just </div><div style="font-size:small;" class="ydp9cf4150fyiv5900319137gmail_default" dir="ltr" data-setdir="false"><span>></span>want to leave sleeping dogs lie.</div></div><div><br></div><div dir="ltr" data-setdir="false">Douglas,</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">Currently that's what we are doing. He got it back together as I was leaving. He said he fired it up, and took for a test drive, no CIL, ran fine. But this is something I've been afraid of <br></div><div dir="ltr" data-setdir="false">with the cars going 100Kmi / plug change. We really don't know how many miles are on these plugs as he's the 3rd owner. I was figuring that if he was going to be in there, why not changed the plugs. But when we ran into this problem he and I agreed, "if it aint broke, don't fix it".</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">But I've got an 06 Scion xB with 64K mi, and a 12 second gen xB with 74Kmi and neither has had the plugs changed. So I'm worried I may have the same problem.<img title="Emoji" alt="Emoji" class="yahoo-emoji-wrapper" src="https://s.yimg.com/nq/yemoji_assets/latest/yemoji_assets/2639.png" style="padding: 0px 2px; vertical-align: middle;" data-inlineimagemanipulating="true" width="16" height="16"></div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">If we decide to get the plugs out in the near future, I'll keep you posted, but don't hold your breath. <br></div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">Thanks to all that responded.</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">JohnT<br></div><div id="ydp9cf4150fyiv5900319137yqtfd24036" class="ydp9cf4150fyiv5900319137yqt4119595682">
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