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Most engines have a threaded coolant drain plug in the block. I imagine the=
se devices replace that plug.
-----Original Message-----
From: Scott Hall <scott.hall.personal@gmail.com>
To: Donald H Locker <dhlocker@comcast.net>
Cc: shop-talk@autox.team.net <shop-talk@autox.team.net>
Sent: Thu, Jan 14, 2021 11:41 am
Subject: Re: [Shop-talk] Frost heater/freeze plug
That's exactly what the instructions say--right rear of the engine.
So you're thinking "plug" doesn't mean a freeze or expansion plug but rathe=
r just a threaded port into the coolant jacket?
That would make more sense to me.
On Thu, Jan 14, 2021 at 11:35 AM Donald H Locker <dhlocker@comcast.net> wro=
te:
I would look for a threaded plug into the coolant jacket in a shop
manual. I remember planning to buy a block heater for my wife's Scion
and the instructions actually had a drawing of where the plug was (in
this case it was above the intake manifold in an "odd" location.)
In any case, if they are talking about threading into a plug, it isn't
going into a core plug hole, which are smooth. (No reason to thread it;
that just costs money.) I read somewhere that the port is in the "rear
right position" so passenger side of the engine, toward the firewall.
(If I find more, I'll followup.)
Donald.
--
*Plain Text* email -- it's an accessibility issue
() no proprietary attachments; no html mail
/\ <https://www.georgedillon.com/web/html_email_is_evil.shtml>
On 2021-01-14 12:20 p.m., Scott Hall wrote:
> This is mostly theory.
>=20
> One of my staff wants to stick a frost heater in his car--it's a Kia
> with a 3.3L engine (though I don't think that matters for the question).
>=20
> Since he thinks I'm a car guy--which in his head means I know everything
> about all cars--he's asking for help.
>=20
> He brought in the instructions=C2=A0and the heater itself. The instructio=
ns
> are pretty simple: drain coolant, "remove plug" (quotes mine--it just
> says "plug", so I'm assuming that's a freeze/expansion plug), screw in
> heater, refill coolant, etc.
>=20
> The heater to install is threaded. It says to torque it to 30 lb. ft.
>=20
> The plug he's removing probably isn't...I'd think.
>=20
> Obviously without rolling under the car, who knows? But I'm tempted to
> tell him to not start--the only way I know to remove a freeze plug is to
> drill a hole in it, then pull it out with something. If there are no
> threads behind it--and I can't imagine that a press-in freeze plug
> presses in to a threaded hole--then he's just going to need a new freeze
> plug to reinstall.
>=20
> So I guess my questions to the list are:
>=20
> 1) anyone ever see a threaded freeze plug? That would seem to defeat the
> whole purpose of allowing it to pop out.
>=20
> 2) anyone ever see threads behind a freeze plug? Perhaps the plug
> presses into a smooth port, and there are threads behind it?
>=20
> We called the manufacturer who confirmed that the part number is
> correct. It's used on several models so they couldn't say for sure other
> than, "it'll work". I'd hate to see this kid pull out a freeze plug then
> be screwed.
>=20
> YouTube similarly has nothing relevant.
>=20
> Anybody have any experience with this before I just have him drive over
> and roll under the car to see what I'm looking at?
>=20
> Thanks.
>=20
_______________________________________________
Shop-talk@autox.team.net
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ive
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<div style="color:black;font: 10pt Arial, Helvetica, sans-serif;">Most engines
have a threaded coolant drain plug in the block. I imagine these devices
replace that plug.<br>
<br>
<br>
<div
style="font-family:arial,helvetica;font-size:10pt;color:black">-----Original
Message-----<br>
From: Scott Hall <scott.hall.personal@gmail.com><br>
To: Donald H Locker <dhlocker@comcast.net><br>
Cc: shop-talk@autox.team.net <shop-talk@autox.team.net><br>
Sent: Thu, Jan 14, 2021 11:41 am<br>
Subject: Re: [Shop-talk] Frost heater/freeze plug<br>
<br>
<div id="yiv9760739844">
<div>
<div dir="ltr">That's exactly what the instructions say--right rear of the
engine.
<div><br clear="none"></div>
<div>So you're thinking "plug" doesn't mean a freeze or expansion plug but
rather just a threaded port into the coolant jacket?</div>
<div><br clear="none"></div>
<div>That would make more sense to me.</div>
</div>
<br clear="none">
<div class="yiv9760739844gmail_quote">
<div class="yiv9760739844yqt3248111651" id="yiv9760739844yqtfd67968">
<div class="yiv9760739844gmail_attr" dir="ltr">On Thu, Jan 14, 2021 at 11:35 AM
Donald H Locker <<a rel="nofollow noopener noreferrer" shape="rect"
ymailto="mailto:dhlocker@comcast.net"; target="_blank"
href="mailto:dhlocker@comcast.net";>dhlocker@comcast.net</a>> wrote:<br
clear="none"></div>
<blockquote class="yiv9760739844gmail_quote" style="margin:0px 0px 0px
0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex;">I would look
for a threaded plug into the coolant jacket in a shop<br clear="none">
manual. I remember planning to buy a block heater for my wife's Scion<br
clear="none">
and the instructions actually had a drawing of where the plug was (in<br
clear="none">
this case it was above the intake manifold in an "odd" location.)<br
clear="none">
<br clear="none">
In any case, if they are talking about threading into a plug, it isn't<br
clear="none">
going into a core plug hole, which are smooth. (No reason to thread it;<br
clear="none">
that just costs money.) I read somewhere that the port is in the "rear<br
clear="none">
right position" so passenger side of the engine, toward the firewall.<br
clear="none">
(If I find more, I'll followup.)<br clear="none">
<br clear="none">
Donald.<br clear="none">
--<br clear="none">
*Plain Text* email -- it's an accessibility issue<br clear="none">
() no proprietary attachments; no html mail<br clear="none">
/\ <<a rel="nofollow noopener noreferrer" shape="rect" target="_blank"
href="https://www.georgedillon.com/web/html_email_is_evil.shtml";>https://www.georgedillon.com/web/html_email_is_evil.shtml</a>><br
clear="none">
<br clear="none">
On 2021-01-14 12:20 p.m., Scott Hall wrote:<br clear="none">
> This is mostly theory.<br clear="none">
> <br clear="none">
> One of my staff wants to stick a frost heater in his car--it's a Kia<br
clear="none">
> with a 3.3L engine (though I don't think that matters for the
question).<br clear="none">
> <br clear="none">
> Since he thinks I'm a car guy--which in his head means I know
everything<br clear="none">
> about all cars--he's asking for help.<br clear="none">
> <br clear="none">
> He brought in the instructions and the heater itself. The
instructions<br clear="none">
> are pretty simple: drain coolant, "remove plug" (quotes mine--it just<br
clear="none">
> says "plug", so I'm assuming that's a freeze/expansion plug), screw in<br
clear="none">
> heater, refill coolant, etc.<br clear="none">
> <br clear="none">
> The heater to install is threaded. It says to torque it to 30 lb. ft.<br
clear="none">
> <br clear="none">
> The plug he's removing probably isn't...I'd think.<br clear="none">
> <br clear="none">
> Obviously without rolling under the car, who knows? But I'm tempted to<br
clear="none">
> tell him to not start--the only way I know to remove a freeze plug is
to<br clear="none">
> drill a hole in it, then pull it out with something. If there are no<br
clear="none">
> threads behind it--and I can't imagine that a press-in freeze plug<br
clear="none">
> presses in to a threaded hole--then he's just going to need a new
freeze<br clear="none">
> plug to reinstall.<br clear="none">
> <br clear="none">
> So I guess my questions to the list are:<br clear="none">
> <br clear="none">
> 1) anyone ever see a threaded freeze plug? That would seem to defeat
the<br clear="none">
> whole purpose of allowing it to pop out.<br clear="none">
> <br clear="none">
> 2) anyone ever see threads behind a freeze plug? Perhaps the plug<br
clear="none">
> presses into a smooth port, and there are threads behind it?<br
clear="none">
> <br clear="none">
> We called the manufacturer who confirmed that the part number is<br
clear="none">
> correct. It's used on several models so they couldn't say for sure
other<br clear="none">
> than, "it'll work". I'd hate to see this kid pull out a freeze plug
then<br clear="none">
> be screwed.<br clear="none">
> <br clear="none">
> YouTube similarly has nothing relevant.<br clear="none">
> <br clear="none">
> Anybody have any experience with this before I just have him drive over<br
clear="none">
> and roll under the car to see what I'm looking at?<br clear="none">
> <br clear="none">
> Thanks.<br clear="none">
> <br clear="none">
<br clear="none">
<br clear="none">
</blockquote></div>
</div>
<div class="yiv9760739844yqt3248111651" id="yiv9760739844yqtfd72320">
</div>
</div>
</div>
<div class="yqt3248111651"
id="yqtfd58692">_______________________________________________<br
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