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The coolant leak where it's gathering on the cross member seems to me to be
a leak either from the lower radiator hose or the water pump. Have had both
of those on my '76 and that is where the coolant tended to gather.
Dan D
Central NJ USA
http://dandibiase.cbintouch.com/
On Fri, May 31, 2019 at 2:32 AM Steve Shoyer via Mgs <mgs@autox.team.net>
wrote:
> After working on my 1980 MGB last summer I had the car running but it
> was leaking. I parked it on the lift and I'm just getting back to it
> now. It seems to be leaking both oil and coolant. I'm hoping that the
> leaks are coming from different places, but I'm not quite sure where to
> look. When the car was parked, I noticed some coolant seeping out (and
> dripping onto the car parked under the lift) but I couldn't find the
> source. Today, while the car was running, I saw oil dripping from the
> engine back plate. It looks like some oil was escaping at the fitting
> where the metal oil pipe that leads to the filter connects to the block
> - I tried to tighten it as much as possible, but it was hard to access.
> Oil is also dripping from the rim of the oil pan near the rear plate.
> Most of the oil pan rim has oil on it, with green coolant around the rim
> in spots as well. I don't think that the oil and coolant are mixed
> together - the oil dripping on the ground just looks like oil, and I
> didn't see any foaming or anything other than oil under the cap in the
> valve cover. Still, it has me worried.
>
> I watched some John Twist videos on finding leaks and he said that the
> sump gaskets don't leak, so maybe the oil is coming from one (or more)
> place and the coolant is coming from another and that's just a
> convenient place for them to collect
>
> I noticed some coolant around the lower radiator hose, so I tightened
> the clamp to see if that would help. Judging from the stain on the car
> under the MG, the coolant seems to be dripping from the front
> cross-member, but I couldn't see where it was coming from. The coolant
> leaked while the car was just sitting, not a huge amount but it was
> noticeable when it dripped onto the other car's hood. There were some
> oil drips hanging onto many of the engine bay components, like the bolts
> on the oil filter head, the starter, etc. - there was a drop on most of
> the lowest points of the components.
>
> Last year I pulled the engine to replace the cam and clutch, along with
> the other standard things to replace when doing those jobs. Because it
> was my first time doing engine work, it wouldn't surprise me if I
> screwed some of it up.
>
> I picked up some UV dye to put into the oil, but is there anything else
> I can do to figure out what's leaking? Thanks.
>
> --Steve
>
>
> ---
> This email has been checked for viruses by AVG.
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>
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>
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--0000000000002350c3058a2d21f3
Content-Transfer-Encoding: quoted-printable
<div dir=3D"ltr">The coolant leak where it's gathering on the cross mem=
ber seems to me to be a leak either from the lower radiator hose or the wat=
er pump. Have had both of those on my '76 and that is where the coolant=
tended to gather.<div><br></div><div>Dan D</div><div>Central NJ USA<br cle=
ar=3D"all"><div><div dir=3D"ltr" class=3D"gmail_signature" data-smartmail=
=3D"gmail_signature"><div dir=3D"ltr"><a href=3D"http://dandibiase.cbintouc=
h.com/" target=3D"_blank">http://dandibiase.cbintouch.com/</a></div></div><=
/div><br></div></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=
=3D"gmail_attr">On Fri, May 31, 2019 at 2:32 AM Steve Shoyer via Mgs <<a=
href=3D"mailto:mgs@autox.team.net";>mgs@autox.team.net</a>> wrote:<br></=
div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;bor=
der-left:1px solid rgb(204,204,204);padding-left:1ex">After working on my 1=
980 MGB last summer I had the car running but it <br>
was leaking.=C2=A0 I parked it on the lift and I'm just getting back to=
it <br>
now.=C2=A0 It seems to be leaking both oil and coolant.=C2=A0 I'm hopin=
g that the <br>
leaks are coming from different places, but I'm not quite sure where to=
<br>
look.=C2=A0 When the car was parked, I noticed some coolant seeping out (an=
d <br>
dripping onto the car parked under the lift) but I couldn't find the <b=
r>
source.=C2=A0 Today, while the car was running, I saw oil dripping from the=
<br>
engine back plate.=C2=A0 It looks like some oil was escaping at the fitting=
<br>
where the metal oil pipe that leads to the filter connects to the block <br=
>
- I tried to tighten it as much as possible, but it was hard to access.=C2=
=A0 <br>
Oil is also dripping from the rim of the oil pan near the rear plate. <br>
Most of the oil pan rim has oil on it, with green coolant around the rim <b=
r>
in spots as well.=C2=A0 I don't think that the oil and coolant are mixe=
d <br>
together - the oil dripping on the ground just looks like oil, and I <br>
didn't see any foaming or anything other than oil under the cap in the =
<br>
valve cover.=C2=A0 Still, it has me worried.<br>
<br>
I watched some John Twist videos on finding leaks and he said that the <br>
sump gaskets don't leak, so maybe the oil is coming from one (or more) =
<br>
place and the coolant is coming from another and that's just a <br>
convenient place for them to collect<br>
<br>
I noticed some coolant around the lower radiator hose, so I tightened <br>
the clamp to see if that would help.=C2=A0 Judging from the stain on the ca=
r <br>
under the MG, the coolant seems to be dripping from the front <br>
cross-member, but I couldn't see where it was coming from.=C2=A0 The co=
olant <br>
leaked while the car was just sitting, not a huge amount but it was <br>
noticeable when it dripped onto the other car's hood.=C2=A0 There were =
some <br>
oil drips hanging onto many of the engine bay components, like the bolts <b=
r>
on the oil filter head, the starter, etc. - there was a drop on most of <br=
>
the lowest points of the components.<br>
<br>
Last year I pulled the engine to replace the cam and clutch, along with <br=
>
the other standard things to replace when doing those jobs.=C2=A0 Because i=
t <br>
was my first time doing engine work, it wouldn't surprise me if I <br>
screwed some of it up.<br>
<br>
I picked up some UV dye to put into the oil, but is there anything else <br=
>
I can do to figure out what's leaking?=C2=A0 Thanks.<br>
<br>
--Steve<br>
<br>
<br>
---<br>
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</blockquote></div>
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