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Wales
by Joske Vermeule, September 1
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Forums39
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Jun 14th, 2026
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Joined: Oct 2016
Posts: 513 Likes: 2
Talk Morgan Regular
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OP
Talk Morgan Regular
Joined: Oct 2016
Posts: 513 Likes: 2 |
So I replaced the radiator on my duratec plus 4 with an aluminium one - it's a long story but I bought it off another owner secondhand.
However, I'm getting a leak from the big top hose. I have tightened it as far as I dare. I wonder if I have gone too far.... is that possible (I used a small socket set just to get in there).
Any tips for getting it to seal before I take it off and have a good look? It's all very annoying as I tightened it up a bit after noticing the leak and I have definitely made it worse. And I am about to go on holiday so will be thinking about this all holiday!!!
Thanks
Nick
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Joined: Jul 2014
Posts: 663 Likes: 14
Talk Morgan Regular
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Talk Morgan Regular
Joined: Jul 2014
Posts: 663 Likes: 14 |
I had the same trouble with the alloy radiator on Possum after I installed Evans Waterless Coolant, which seems to find every little orifice. Cured it with Radweld. I would not overtighten the clamp. Are you sure the hose itself is not porous?
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Joined: Oct 2016
Posts: 513 Likes: 2
Talk Morgan Regular
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Talk Morgan Regular
Joined: Oct 2016
Posts: 513 Likes: 2 |
Thanks. Well the hose was fine on the previous radiator. I'm wondering if a turn or two of amalgamating tape before fitting the hose might help.
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Joined: Mar 2015
Posts: 305
Learner Plates Off!
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Learner Plates Off!
Joined: Mar 2015
Posts: 305 |
Try using 2 jubilee clips .It worked for me .
Jimmy
2015 4/4 Sport Green
2018 VW Tiguan
1969 Morris Minor Traveller
1960 Morris Minor Saloon
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Joined: Apr 2014
Posts: 3,550 Likes: 5
Talk Morgan Addict
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Talk Morgan Addict
Joined: Apr 2014
Posts: 3,550 Likes: 5 |
Old tired rubber.
Replace it if you can for piece of mind.
Mark - No Longer driving Archie the Old English Sheep Mog........... 2010 Roadster 3.0 V6 (S3) 
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Joined: Apr 2017
Posts: 1,799 Likes: 4
Talk Morgan Enthusiast
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Talk Morgan Enthusiast
Joined: Apr 2017
Posts: 1,799 Likes: 4 |
There have been a lot of threads on this "problem" and many have had slight leaks when changing from original rads to new aluminium rads.
I had the same on my Zetec and to this day I get a very slight weeping especially on very cold days when the aluminium seems to contract a bit.
Although mine was annoying, it seems to have settled down now and the water loss is negligible.
I changed to silicone hoses at the same time.
Bob
2009 Black Roadster
1999 4/4 2 litre Zetec
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Joined: Feb 2016
Posts: 8,695 Likes: 415
Needs to Get Out More!
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Needs to Get Out More!
Joined: Feb 2016
Posts: 8,695 Likes: 415 |
Try using 2 jubilee clips .It worked for me . with the clamps at 180° to each other.
Richard
2018 Roadster 3.7
1966 Land Rover S2a 88
2024 Royal Enfield Guerrilla 450
1945 Guzzi Airone
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Joined: Jan 2007
Posts: 3,481 Likes: 42
Talk Morgan Addict
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Talk Morgan Addict
Joined: Jan 2007
Posts: 3,481 Likes: 42 |
Just like the Kerry man who used 2 condoms — “to be sure, to be sure!!”
Robbie
2021 Plus Four -- Helga
211-WX-1433
"Fettlebodge"--A chief of the PaddyMogs
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Joined: Nov 2015
Posts: 8,692 Likes: 498
Just barreling along Needs to Get Out More!
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Just barreling along Needs to Get Out More!
Joined: Nov 2015
Posts: 8,692 Likes: 498 |
Try using 2 jubilee clips .It worked for me . with the clamps at 180° to each other. Richard knows his stuff  this helps to equalise the distortion of the rubber as the clamp is tightened
Jon M
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Joined: Oct 2016
Posts: 513 Likes: 2
Talk Morgan Regular
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Talk Morgan Regular
Joined: Oct 2016
Posts: 513 Likes: 2 |
Ok folks, many thanks.
I'll try this first
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