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Are you trying to get them out on a hot or cold engine? Toss the ratchet
with the plug wrench and a pair of thick gloves (for the heat) in the
center console and next time he parks it after a nice long drive on the
highway have him try the plugs right away. That aluminum head will have a
much higher coefficient of linear expansion than steel so getting it good
and hot should give you a better shot.
-Paul
On Mon, Nov 10, 2025 at 11:59=E2=80=AFPM John T Blair <jblair1948@cox.net> =
wrote:
> On Monday, November 10, 2025 at 07:41:27 PM EST, you wrote:
>
> >I am a big believer in impact wrenches, air or electric. It is that fast=
,
> hard whack they give
> >that actually puts less torque against the threads. Penetrating oil may
> or may not do
> >anything, but if you wanted to soak them down overnight and then hit it
> with an impact
> >wrench in the morning, I would not be surprised if they all came out
> without any damage.
> >
> >If they do not need changing at this point (new plugs can last 100K
> miles) you might just
> >want to leave sleeping dogs lie.
>
> Douglas,
>
> 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
> 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 h=
e
> was going to be in there, why not changed the plugs. But when we ran int=
o
> this problem he and I agreed, "if it aint broke, don't fix it".
>
> But I've got an 06 Scion xB with 64K mi, and a 12 second gen xB with 74Km=
i
> and neither has had the plugs changed. So I'm worried I may have the sam=
e
> problem.[image: Emoji]
>
> If we decide to get the plugs out in the near future, I'll keep you
> posted, but don't hold your breath.
>
> Thanks to all that responded.
>
> JohnT
>
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<div dir=3D"ltr"><div>Are you trying to get them out on a hot or cold engin=
e? Toss the ratchet with the plug wrench and a pair of thick gloves (for th=
e heat) in the center console=C2=A0and next time he parks it after a nice l=
ong drive on the highway have him try the plugs right away. That aluminum h=
ead will have a much higher coefficient of linear expansion than steel so g=
etting it good and hot should give you a better shot.</div><div><br></div><=
div>-Paul</div><br><div class=3D"gmail_quote gmail_quote_container"><div di=
r=3D"ltr" class=3D"gmail_attr">On Mon, Nov 10, 2025 at 11:59=E2=80=AFPM Joh=
n T Blair <<a href=3D"mailto:jblair1948@cox.net";>jblair1948@cox.net</a>&=
gt; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0=
px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div>=
<div style=3D"font-family:"Helvetica Neue",Helvetica,Arial,sans-s=
erif;font-size:16px"><div id=3D"m_-1629173282330737631ydp9cf4150fyahoo_quot=
ed_3356569708">
<div style=3D"font-family:"Helvetica Neue",Helvetica,=
Arial,sans-serif;font-size:13px;color:rgb(38,40,42)">
=20
<div>
On Monday, November 10, 2025 at 07:41:27 PM EST,=C2=
=A0 you wrote: <br></div><div><br></div><div>>I am a big believer in imp=
act wrenches, air or electric. It is that fast, hard whack they give=C2=A0<=
/div><div dir=3D"ltr"><span>></span>that actually puts less torque again=
st the threads. Penetrating oil may or may not do=C2=A0</div><div dir=3D"lt=
r"><span>></span>anything, but if you wanted to soak them down overnight=
and then hit it with an impact=C2=A0</div><div dir=3D"ltr"><span>></spa=
n>wrench in the morning, I would not be surprised if they all came out with=
out any damage.</div><div><div id=3D"m_-1629173282330737631ydp9cf4150fyiv59=
00319137"><div><div dir=3D"ltr"><div style=3D"font-size:small" dir=3D"ltr">=
<span>></span><br clear=3D"none"></div><div style=3D"font-size:small" di=
r=3D"ltr"><span>></span>If they do not need changing at this point (new =
plugs can last 100K miles) you might just=C2=A0</div><div style=3D"font-siz=
e:small" dir=3D"ltr"><span>></span>want to leave sleeping dogs lie.</div=
></div><div><br></div><div dir=3D"ltr">Douglas,</div><div dir=3D"ltr"><br><=
/div><div dir=3D"ltr">Currently that's what we are doing.=C2=A0 He got =
it back together as I was leaving.=C2=A0 He said he fired it up, and took f=
or a test drive, no CIL, ran fine.=C2=A0 But this is something I've bee=
n afraid of <br></div><div dir=3D"ltr">with the cars going 100Kmi / plug ch=
ange.=C2=A0 We really don't know how many miles are on these plugs as h=
e's the 3rd owner.=C2=A0 I was figuring that if he was going to be in t=
here, why not changed the plugs.=C2=A0 But when we ran into this problem he=
and I agreed, "if it aint broke, don't fix it".</div><div di=
r=3D"ltr"><br></div><div dir=3D"ltr">But I've got an 06 Scion xB with 6=
4K mi, and a 12 second gen xB with 74Kmi and neither has had the plugs chan=
ged.=C2=A0 So I'm worried I may have the same problem.<img title=3D"Emo=
ji" alt=3D"Emoji" src=3D"https://s.yimg.com/nq/yemoji_assets/latest/yemoji_=
assets/2639.png" style=3D"padding: 0px 2px; vertical-align: middle;" width=
=3D"16" height=3D"16"></div><div dir=3D"ltr"><br></div><div dir=3D"ltr">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=3D"ltr"><br></div><div=
dir=3D"ltr">Thanks to all that responded.</div><div dir=3D"ltr"><br></div>=
<div dir=3D"ltr">JohnT</div></div></div></div></div></div></div></div>
</blockquote></div></div>
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