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Always glad go help. Another test is to remove the rad cap start the car
and wait go see if the water begins to circulate in the radiator when it
gets up to running temp. If the water just sits calm its not making it past
the stat. Anyway be careful to use penetrating oil on the nuts so you don't
break the studs on the stat Housing.
Ira Erbs
1959 100-6
MKI engine and disc brakes
Portland,OR
On Sep 8, 2016 5:33 AM, "Simon Lachlan" <simon.lachlan@homecall.co.uk>
wrote:
> Ira,
>
> I appreciate yr advice. I am as ever doing my research before plunging in=
.
> I=E2=80=99ve done an awful lot to cars over the years but, curiously, nev=
er had to
> replace a pump or stat. So, was keen to see if there are/were any little
> wrinkles that I=E2=80=99d overlooked.
>
> There being no noise or leak I was leaning towards a stat issue and the
> List=E2=80=99s advice seem to agree. I=E2=80=99ve got spare Smiths so wil=
l whip mine out
> and test it.
>
> But your suggestion of how to test for a dud pump will be filed for futur=
e
> reference..
>
>
>
> Simon
>
>
>
> *From:* i erbs [mailto:eyera3000@gmail.com]
> *Sent:* 07 September 2016 22:29
> *To:* Simon Lachlan
> *Cc:* Healey List
> *Subject:* Re: [Healeys] Overheating query
>
>
>
> In most cases a failed water pump will leak out of the bottom hole when
> the seals fail. Anothre way to test WP is to grab a fan blade and wiggle
> it. I found a bad water pump while out driving once that way. It will
> really move forward and back if the pump is bad. The easiest way to test =
a
> thermostat is to pull it and throw it into a pot heating water on the sto=
ve
> with a candy thermometer in the water. it should start to open 165-195
> depending on the temp rating. I had a NOS sleeved stat in my car and it r=
an
> great with new HD radiator and high speed fan, then it just began to
> overheat. tested the thermostat as described and it barely opened even a=
t
> boiling temp. replaced it with a non-sleeved stat and all is great.
>
>
> Ira Erbs
>
> Portland,OR
>
> _______ _______
> (______ \____1959 BN4____/ _______)
> (_________________________)
>
> BT7 engine and disk brakes
>
>
>
> Please excuse random auto corrects and misspelled words
>
>
>
> On Wed, Sep 7, 2016 at 9:19 AM, Simon Lachlan <
> simon.lachlan@homecall.co.uk> wrote:
>
> Hi,
>
> This isn=E2=80=99t the usual one ....=E2=80=9Dmy car always runs hot; wha=
t=E2=80=99s the cure?=E2=80=9D etc
>
> No, this is my very own original.....
>
> Background:-
>
> 1) The car, MkII BT7, has never had overheating issues before today.
>
> 2) It has a new, 12 month, modern design radiator.
>
> 3) It has the correct type(original design) Smiths sleeved
> thermostat. (5 years old +/-).
>
> 4) The waterpump was in the car when I bought the car +/- 25 yrs ago=
.
>
> Today=E2=80=99s symptoms:-
>
> 1) I took it out to the pub today and, on returning, I noticed that
> there was HEAT and then that the gauge was off the scale.
>
> 2) There was plenty of coolant in the rad and it didn=E2=80=99t seem=
overly
> hot.
>
> 3) I didn=E2=80=99t have much time, but I got the impression that th=
e rad
> was not blowing steam or making more of a =E2=80=9Ccooling-off noise=E2=
=80=9D than usual.
>
> 4) I also got the impression that the engine was hotter than the rad=
.
>
> Is this typical of a failed water pump?
>
> How can one differentiate between thermostat issues and waterpump issues?
>
>
>
> Any ideas?
>
> Simon
>
>
> _______________________________________________
> Support Team.Net http://www.team.net/donate.html
> Suggested annual donation $12.75
> Archive: http://www.team.net/archive
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>
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>
>
>
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<p dir=3D"ltr">Always glad go help. Another test is to remove the rad cap s=
tart the car and wait go see if the water begins to circulate in the radiat=
or when it gets up to running temp. If the water just sits calm its not mak=
ing it past the stat. Anyway be careful to use penetrating oil on the nuts =
so you don't break the studs on the stat Housing.</p>
<p dir=3D"ltr">Ira Erbs<br>
1959 100-6<br>
MKI engine and disc brakes<br>
Portland,OR</p>
<div class=3D"gmail_extra"><br><div class=3D"gmail_quote">On Sep 8, 2016 5:=
33 AM, "Simon Lachlan" <<a href=3D"mailto:simon.lachlan@homeca=
ll.co.uk">simon.lachlan@homecall.co.uk</a>> wrote:<br type=3D"attributio=
n"><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left=
:1px #ccc solid;padding-left:1ex"><div lang=3D"EN-GB" link=3D"blue" vlink=
=3D"purple"><div><p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;fon=
t-family:"Calibri","sans-serif";color:#1f497d">Ira,<u><=
/u><u></u></span></p><p class=3D"MsoNormal"><span style=3D"font-size:11.0pt=
;font-family:"Calibri","sans-serif";color:#1f497d">I ap=
preciate yr advice. I am as ever doing my research before plunging in. I=E2=
=80=99ve done an awful lot to cars over the years but, curiously, never had=
to replace a pump or stat. So, was keen to see if there are/were any littl=
e wrinkles that I=E2=80=99d overlooked.<u></u><u></u></span></p><p class=3D=
"MsoNormal"><span style=3D"font-size:11.0pt;font-family:"Calibri"=
,"sans-serif";color:#1f497d">There being no noise or leak I was l=
eaning towards a stat issue and the List=E2=80=99s advice seem to agree. I=
=E2=80=99ve got spare Smiths so will whip mine out and test it.<u></u><u></=
u></span></p><p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-fa=
mily:"Calibri","sans-serif";color:#1f497d">But your sug=
gestion of how to test for a dud pump will be filed for future reference..<=
u></u><u></u></span></p><p class=3D"MsoNormal"><span style=3D"font-size:11.=
0pt;font-family:"Calibri","sans-serif";color:#1f497d"><=
u></u>=C2=A0<u></u></span></p><p class=3D"MsoNormal"><span style=3D"font-si=
ze:11.0pt;font-family:"Calibri","sans-serif";color:#1f4=
97d">Simon<u></u><u></u></span></p><p class=3D"MsoNormal"><span style=3D"fo=
nt-size:11.0pt;font-family:"Calibri","sans-serif";color=
:#1f497d"><u></u>=C2=A0<u></u></span></p><div style=3D"border:none;border-t=
op:solid #b5c4df 1.0pt;padding:3.0pt 0cm 0cm 0cm"><p class=3D"MsoNormal"><b=
><span lang=3D"EN-US" style=3D"font-size:10.0pt;font-family:"Tahoma&qu=
ot;,"sans-serif"">From:</span></b><span lang=3D"EN-US" style=3D"f=
ont-size:10.0pt;font-family:"Tahoma","sans-serif""> i e=
rbs [mailto:<a href=3D"mailto:eyera3000@gmail.com"; target=3D"_blank">eyera3=
000@gmail.com</a>] <br><b>Sent:</b> 07 September 2016 22:29<br><b>To:</b> S=
imon Lachlan<br><b>Cc:</b> Healey List<br><b>Subject:</b> Re: [Healeys] Ove=
rheating query<u></u><u></u></span></p></div><p class=3D"MsoNormal"><u></u>=
=C2=A0<u></u></p><div><p class=3D"MsoNormal">In most cases a failed water p=
ump will leak out of the bottom =C2=A0hole when the seals fail. Anothre way=
to test WP is to grab a fan blade and wiggle it. I found a bad water pump =
while out driving once that way. It will really move forward and back if th=
e pump is bad. The easiest way to test a thermostat is to pull it and throw=
it into a pot heating water on the stove with a candy thermometer in the w=
ater. it should start to open 165-195 depending on the temp rating. I had a=
NOS sleeved stat in my car and it ran great with new HD radiator and high =
speed fan, then it just began to =C2=A0overheat. tested the thermostat as d=
escribed and it barely opened even at boiling temp. replaced it with a non-=
sleeved stat and all is great.<u></u><u></u></p></div><div><p class=3D"MsoN=
ormal"><br clear=3D"all"><u></u><u></u></p><div><div><div><div><div><div><d=
iv><div><p class=3D"MsoNormal">Ira Erbs<u></u><u></u></p><div><p class=3D"M=
soNormal">Portland,OR<u></u><u></u></p></div><div><p class=3D"MsoNormal">=
=C2=A0 =C2=A0 =C2=A0 _______ =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0__=
_____<br>=C2=A0 =C2=A0=C2=A0 (______ \____1959 BN4____/ _______)<br>=C2=A0 =
=C2=A0 =C2=A0 =C2=A0=C2=A0 (_________________________)<u></u><u></u></p></d=
iv><div><p class=3D"MsoNormal">=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 BT7 engin=
e and disk brakes<u></u><u></u></p></div><div><p class=3D"MsoNormal"><u></u=
>=C2=A0<u></u></p></div><div><p class=3D"MsoNormal">Please excuse random au=
to corrects and misspelled words<u></u><u></u></p></div></div></div></div><=
/div></div></div></div></div><p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p=
><div><p class=3D"MsoNormal">On Wed, Sep 7, 2016 at 9:19 AM, Simon Lachlan =
<<a href=3D"mailto:simon.lachlan@homecall.co.uk"; target=3D"_blank">simon=
.lachlan@homecall.co.uk</a>> wrote:<u></u><u></u></p><div><div><p class=
=3D"MsoNormal">Hi,<u></u><u></u></p><p class=3D"MsoNormal">This isn=E2=80=
=99t the usual one ....=E2=80=9Dmy car always runs hot; what=E2=80=99s the =
cure?=E2=80=9D etc<u></u><u></u></p><p class=3D"MsoNormal">No, this is my v=
ery own original.....<u></u><u></u></p><p class=3D"MsoNormal">Background:-<=
u></u><u></u></p><p>1)<span style=3D"font-size:7.0pt">=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0 </span>The car, MkII BT7, has never had overheating issues before=
today.<u></u><u></u></p><p>2)<span style=3D"font-size:7.0pt">=C2=A0=C2=A0=
=C2=A0=C2=A0=C2=A0 </span>It has a new, 12 month, modern design radiator.<u=
></u><u></u></p><p>3)<span style=3D"font-size:7.0pt">=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0 </span>It has the correct type(original design) Smiths sleeved th=
ermostat. (5 years old +/-).<u></u><u></u></p><p>4)<span style=3D"font-size=
:7.0pt">=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 </span>The waterpump was in the car =
when I bought the car +/- 25 yrs ago.<u></u><u></u></p><p class=3D"MsoNorma=
l">Today=E2=80=99s symptoms:- <u></u><u></u></p><p>1)<span style=3D"font-si=
ze:7.0pt">=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 </span>I took it out to the pub to=
day and, on returning, I noticed that there was HEAT and then that the gaug=
e was off the scale.<u></u><u></u></p><p>2)<span style=3D"font-size:7.0pt">=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 </span>There was plenty of coolant in the ra=
d and it didn=E2=80=99t seem overly hot.<u></u><u></u></p><p>3)<span style=
=3D"font-size:7.0pt">=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 </span>I didn=E2=80=99t=
have much time, but I got the impression that the rad was not blowing stea=
m or making more of a =E2=80=9Ccooling-off noise=E2=80=9D than usual.<u></u=
><u></u></p><p>4)<span style=3D"font-size:7.0pt">=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0 </span>I also got the impression that the engine was hotter than the=
rad.<u></u><u></u></p><p class=3D"MsoNormal">Is this typical of a failed w=
ater pump?<u></u><u></u></p><p class=3D"MsoNormal">How can one differentiat=
e between thermostat issues and waterpump issues?<u></u><u></u></p><p class=
=3D"MsoNormal">=C2=A0<u></u><u></u></p><p class=3D"MsoNormal">Any ideas?<u>=
</u><u></u></p><p class=3D"MsoNormal"><span style=3D"color:#888888">Simon<u=
></u><u></u></span></p></div></div><p class=3D"MsoNormal" style=3D"margin-b=
ottom:12.0pt"><br>______________________________<wbr>_________________<br>S=
upport Team.Net <a href=3D"http://www.team.net/donate.html"; target=3D"_blan=
k">http://www.team.net/donate.<wbr>html</a><br>Suggested annual donation=C2=
=A0 $12.75<br>Archive: <a href=3D"http://www.team.net/archive"; target=3D"_b=
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f=3D"mailto:Healeys@autox.team.net"; target=3D"_blank">Healeys@autox.team.ne=
t</a><br><a href=3D"http://autox.team.net/mailman/listinfo/healeys"; target=
=3D"_blank">http://autox.team.net/mailman/<wbr>listinfo/healeys</a><br><br>=
s/eyera3000@gmail.com" target=3D"_blank">http://autox.team.net/mailman/<wbr=
>options/healeys/eyera3000@<wbr>gmail.com</a><br><br><u></u><u></u></p></di=
v><p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p></div></div></div></blockq=
uote></div></div>
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