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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 stove
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 ran
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 at
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
>
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>
>
>
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<div dir=3D"ltr">In most cases a failed water pump will leak out of the bot=
tom =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 the pump is bad. The easiest w=
ay 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 water. it should start to ope=
n 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 bega=
n to =C2=A0overheat. tested the thermostat as described and it barely opene=
d even at boiling temp. replaced it with a non-sleeved stat and all is grea=
t.</div><div class=3D"gmail_extra"><br clear=3D"all"><div><div class=3D"gma=
il_signature" data-smartmail=3D"gmail_signature"><div dir=3D"ltr"><div><div=
dir=3D"ltr"><div><div dir=3D"ltr"><div dir=3D"ltr">Ira Erbs<div>Portland,O=
R</div><div><span style=3D"font-family:'Times New Roman',serif">=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______=
_</span><br style=3D"font-family:'Times New Roman',serif"><span sty=
le=3D"font-family:'Times New Roman',serif">=C2=A0 =C2=A0=C2=A0 (___=
___ \____1959 BN4____/ _______)</span><br style=3D"font-family:'Times N=
ew Roman',serif"><span style=3D"font-family:'Times New Roman',s=
erif">=C2=A0 =C2=A0 =C2=A0 =C2=A0=C2=A0 (_________________________)</span><=
/div><div>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 BT7 engine and disk brakes</di=
v><div><br></div><div>Please excuse random auto corrects and misspelled wor=
ds</div></div></div></div></div></div></div></div></div>
<br><div class=3D"gmail_quote">On Wed, Sep 7, 2016 at 9:19 AM, Simon Lachla=
n <span dir=3D"ltr"><<a href=3D"mailto:simon.lachlan@homecall.co.uk"; tar=
get=3D"_blank">simon.lachlan@homecall.co.uk</a>></span> wrote:<br><block=
quote 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">Hi,<u></u><u></u></p><p class=3D"MsoNormal">Th=
is 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 very own original.....<u></u><u></u></p><p class=3D"MsoNormal">B=
ackground:-<u></u><u></u></p><p><u></u><span>1)<span style=3D"font:7.0pt &q=
uot;Times New Roman"">=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 </span></span><u>=
</u>The car, MkII BT7, has never had overheating issues before today.<u></u=
><u></u></p><p><u></u><span>2)<span style=3D"font:7.0pt "Times New Rom=
an"">=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 </span></span><u></u>It has a new,=
12 month, modern design radiator.<u></u><u></u></p><p><u></u><span>3)<span=
style=3D"font:7.0pt "Times New Roman"">=C2=A0=C2=A0=C2=A0=C2=A0=
=C2=A0 </span></span><u></u>It has the correct type(original design) Smiths=
sleeved thermostat. (5 years old +/-).<u></u><u></u></p><p><u></u><span>4)=
<span style=3D"font:7.0pt "Times New Roman"">=C2=A0=C2=A0=C2=A0=
=C2=A0=C2=A0 </span></span><u></u>The waterpump was in the car when I bough=
t the car +/- 25 yrs ago.<u></u><u></u></p><p class=3D"MsoNormal">Today=E2=
=80=99s symptoms:- <u></u><u></u></p><p><u></u><span>1)<span style=3D"font:=
7.0pt "Times New Roman"">=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 </span></=
span><u></u>I took it out to the pub today and, on returning, I noticed tha=
t there was HEAT and then that the gauge was off the scale.<u></u><u></u></=
p><p><u></u><span>2)<span style=3D"font:7.0pt "Times New Roman"">=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 </span></span><u></u>There was plenty of coo=
lant in the rad and it didn=E2=80=99t seem overly hot.<u></u><u></u></p><p>=
<u></u><span>3)<span style=3D"font:7.0pt "Times New Roman"">=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0 </span></span><u></u>I didn=E2=80=99t have much=
time, but I got the impression that the rad was not blowing steam or makin=
g more of a =E2=80=9Ccooling-off noise=E2=80=9D than usual.<u></u><u></u></=
p><p><u></u><span>4)<span style=3D"font:7.0pt "Times New Roman"">=
=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 </span></span><u></u>I also got the impressi=
on that the engine was hotter than the rad.<u></u><u></u></p><p class=3D"Ms=
oNormal">Is this typical of a failed water pump?<u></u><u></u></p><p class=
=3D"MsoNormal">How can one differentiate between thermostat issues and wate=
rpump issues?<u></u><u></u></p><p class=3D"MsoNormal"><u></u>=C2=A0<u></u><=
/p><p class=3D"MsoNormal">Any ideas?<span class=3D"HOEnZb"><font color=3D"#=
888888"><u></u><u></u></font></span></p><span class=3D"HOEnZb"><font color=
=3D"#888888"><p class=3D"MsoNormal">Simon<u></u><u></u></p></font></span></=
div></div><br>______________________________<wbr>_________________<br>
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<br></blockquote></div><br></div>
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