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Plus 8 Coolant leak #613642
23/01/20 03:49 AM
23/01/20 03:49 AM
Joined: Apr 2010
Posts: 407
South Ontario, from Lancashire...
M
MGDave Offline OP
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MGDave  Offline OP
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M

Joined: Apr 2010
Posts: 407
South Ontario, from Lancashire...
I’ve a weeping gasket between the timing cover and engine block, at the top, it only weeps after the engine cools down. Do I have to replace the gasket or can I use a rad sealant like Barrs?
Appreciate everyones comments.
Dave
98 +8

Last edited by MGDave; 23/01/20 03:53 AM.

Dave
98 +8 Corsa Red
74 MGB Red
Re: Plus 8 Coolant leak [Re: MGDave] #613679
23/01/20 12:09 PM
23/01/20 12:09 PM
Joined: Aug 2013
Posts: 2,614
Solihull
Spanner Juggler Offline
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Spanner Juggler  Offline
Talk Morgan Expert

Joined: Aug 2013
Posts: 2,614
Solihull
The (former) professional in me would always advise changing the gasket...... however, if it were mine I would try an additive first but would council you use
K-Seal as it’s the best there is on the market.

And I know of at least one race preparation shop that use it in every vehicle they prepare as part of their process!

BR
Colin (people often don’t believe me but I know for a fact that at one time (late 70’s) a Jaguar Service Bulletin advised its U.K. dealers to use a slug of Barr’s Leak in every major service on the V12 cars)


BR Colin
Who used to be a Spanner Juggler
Re: Plus 8 Coolant leak [Re: MGDave] #613687
23/01/20 01:50 PM
23/01/20 01:50 PM
Joined: Jul 2019
Posts: 592
L
Luddite Offline
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Luddite  Offline
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L

Joined: Jul 2019
Posts: 592
When touring I ever carried a couple of little white sachets of CE-LIT in the spares, and given it`s the package dimensions it s was easy to find space for it, though never used it in anger thus can nor recommend it as such.

https://www.bhl.co.uk/ce-lit-sachet-display-card.html

It seems as if you have been pretty thorough in trying to identify the leak, though timing cover and water..hmm..? I suspect you are thinking water pump gasket and nothing related to the timing cover other that the appearance of water or staining..?

Mine is an older +8 though it has a weep hole on the underside of the water pump, which is an indicator as to the effectivness of the water pump shaft seal condition, and may just be expected to weep on occasion, perhaps more so after lay-up..? Though if it begins to leak as opposed to weep, that can show up as water marking on the fan belt and even be thrown up on to the underside of the bonnet while the engine is running.

Perhaps you can squeeze a mirror into the area to have a look for the weep hole...?

Good luck.

Re: Plus 8 Coolant leak [Re: Luddite] #613699
23/01/20 03:35 PM
23/01/20 03:35 PM
Joined: Feb 2010
Posts: 713
S
SimonH Offline
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SimonH  Offline
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S

Joined: Feb 2010
Posts: 713
Originally Posted by Luddite


It seems as if you have been pretty thorough in trying to identify the leak, though timing cover and water..hmm..? I suspect you are thinking water pump gasket and nothing related to the timing cover other that the appearance of water or staining..?




The timing cover on the Rover V8 has waterways cast in to it that go between the block and the water pump....

Simon @ SiFab.co.uk

Re: Plus 8 Coolant leak [Re: MGDave] #613709
23/01/20 04:28 PM
23/01/20 04:28 PM
Joined: Jul 2019
Posts: 592
L
Luddite Offline
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Luddite  Offline
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L

Joined: Jul 2019
Posts: 592
THANKS for the heads up on the timing cover gallery Simon, Sorry I had forgotten all about that... along with many other things..Duh !

Re: Plus 8 Coolant leak [Re: Spanner Juggler] #613756
24/01/20 01:42 AM
24/01/20 01:42 AM
Joined: Apr 2010
Posts: 407
South Ontario, from Lancashire...
M
MGDave Offline OP
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MGDave  Offline OP
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M

Joined: Apr 2010
Posts: 407
South Ontario, from Lancashire...
Thanks for the tip I ordered the K Seal should be here tomorrow.


Dave
98 +8 Corsa Red
74 MGB Red
Re: Plus 8 Coolant leak [Re: MGDave] #613757
24/01/20 01:59 AM
24/01/20 01:59 AM
Joined: Sep 2010
Posts: 1,638
Wales
T
Taffmog Online content
Talk Morgan Enthusiast
Taffmog  Online Content
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T

Joined: Sep 2010
Posts: 1,638
Wales
+1 for K seal, brilliant stuff......

Re: Plus 8 Coolant leak [Re: Taffmog] #613772
24/01/20 09:26 AM
24/01/20 09:26 AM
Joined: Nov 2015
Posts: 1,685
Yorkshire
CooperMan Offline
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CooperMan  Offline
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Joined: Nov 2015
Posts: 1,685
Yorkshire
Originally Posted by Taffmog
+1 for K seal, brilliant stuff......


Certainly is, even the AA and RAC lads carry it in the van


Jon M
Re: Plus 8 Coolant leak [Re: Spanner Juggler] #614199
27/01/20 03:28 PM
27/01/20 03:28 PM
Joined: Apr 2010
Posts: 407
South Ontario, from Lancashire...
M
MGDave Offline OP
Learner Plates Off!
MGDave  Offline OP
Learner Plates Off!
M

Joined: Apr 2010
Posts: 407
South Ontario, from Lancashire...
Following your suggestion Amazon quickly delivered the K-Seal. Proceeded to follow the online instructions and hey presto the leaking gasket is no more.
Once the snow, ice and salt is gone I’ll go for a test drive.
So far so good.
Thanks all for your advice and comments.


Dave
98 +8 Corsa Red
74 MGB Red
Re: Plus 8 Coolant leak [Re: MGDave] #614205
27/01/20 04:24 PM
27/01/20 04:24 PM
Joined: Aug 2013
Posts: 2,614
Solihull
Spanner Juggler Offline
Talk Morgan Expert
Spanner Juggler  Offline
Talk Morgan Expert

Joined: Aug 2013
Posts: 2,614
Solihull
Originally Posted by MGDave
Following your suggestion Amazon quickly delivered the K-Seal. Proceeded to follow the online instructions and hey presto the leaking gasket is no more.
Once the snow, ice and salt is gone I’ll go for a test drive.
So far so good.
Thanks all for your advice and comments.


Glad to read this Dave.

BR
Colin (reminding myself to order another bottle for my spares kit as I used my last one on a friends car ;-))


BR Colin
Who used to be a Spanner Juggler
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