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Jun 14th, 2026
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Joined: Mar 2017
Posts: 2,274 Likes: 41
Talk Morgan Expert
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OP
Talk Morgan Expert
Joined: Mar 2017
Posts: 2,274 Likes: 41 |
During the annual service today at the morgan dealership, the mechanic spotted on my 4/4 a fuel leak from the tank at high level (on the joint seam)
The good news is I’m covered under warranty, however is this one of these “they all do that” ???
My car has only covered 3,700 miles (dry miles) and less than 2 years old.
Does anyone know if the new tanks have improved ?
Craig Jezz
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Joined: Dec 2009
Posts: 37,407 Likes: 977
Tricky Dicky Member of the Inner Circle
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Tricky Dicky Member of the Inner Circle
Joined: Dec 2009
Posts: 37,407 Likes: 977 |
Sorry to hear that Craig.
Sorry I don't know the answer.
2009 4/4 Sport Henrietta
1999 Indigo Blue +8
2009 4/4 Sport Green prev
1993 Con Green +8 prev
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Joined: Mar 2009
Posts: 3,824 Likes: 69
Talk Morgan Addict
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Talk Morgan Addict
Joined: Mar 2009
Posts: 3,824 Likes: 69 |
During the annual service today at the morgan dealership, the mechanic spotted on my 4/4 a fuel leak from the tank at high level (on the joint seam)
The good news is I’m covered under warranty, however is this one of these “they all do that” ???
My car has only covered 3,700 miles (dry miles) and less than 2 years old.
Does anyone know if the new tanks have improved ?
My 2005 roadster tank did exactly that. Nick
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Joined: Mar 2017
Posts: 1,615 Likes: 1
Talk Morgan Enthusiast
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Talk Morgan Enthusiast
Joined: Mar 2017
Posts: 1,615 Likes: 1 |
Perhaps it was the same tank, recycled?
SFG
2012 4/4 Sport
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Joined: Apr 2014
Posts: 5,182 Likes: 2
Charter Member
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Charter Member
Joined: Apr 2014
Posts: 5,182 Likes: 2 |
Fairly common fault on all trads, of all ages.
.+8 Now gone for a 1800 4/4. Duratec in bright yellow.
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Joined: Feb 2010
Posts: 1,415
Has a lot to Say!
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Has a lot to Say!
Joined: Feb 2010
Posts: 1,415 |
I’ve lost count of the amount of factory tanks I’ve rewelded
They all do that sir.....
The factory tanks have an autogenous weld, meaning no weld filler material was introduced to the weld
This also means that the weld is not particularly strong and may not have adequate penetration
For road cars the best alternative is a stainless steel fuel tank from me or one of the other suppliers
Simon @ SiFab.co.uk
Simon @ Sifab.co.uk
Sifabtemporary@gmail.com
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Joined: Mar 2017
Posts: 2,274 Likes: 41
Talk Morgan Expert
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Talk Morgan Expert
Joined: Mar 2017
Posts: 2,274 Likes: 41 |
When I fill the tank with fuel and release fuel the cap, I get a sudden rush of air, quite loud !
Could this could be pressure in the tank causing the all ready weak weld joints to fail.
Does anyone else experience this, or is it.... “they all do that sir”
Craig Jezz
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Joined: Dec 2008
Posts: 22,358 Likes: 353
Roadster Guru Member of the Inner Circle
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Roadster Guru Member of the Inner Circle
Joined: Dec 2008
Posts: 22,358 Likes: 353 |
Google "fuel tank venting". Some vacuum is usual, but according to the internet, cold weather can increase the vacuum (apparently).
DaveW
'05 Red Roadster S1
'16 Yellow (Not the only) Narrow AR GDI Plus 4
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Joined: Dec 2009
Posts: 37,407 Likes: 977
Tricky Dicky Member of the Inner Circle
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Tricky Dicky Member of the Inner Circle
Joined: Dec 2009
Posts: 37,407 Likes: 977 |
I never ever noticed venting on any of my Morgan's at all.
I've never had a split tank or hose either during the 14 years of ownership and 3 cars.
2009 4/4 Sport Henrietta
1999 Indigo Blue +8
2009 4/4 Sport Green prev
1993 Con Green +8 prev
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Joined: Mar 2017
Posts: 2,274 Likes: 41
Talk Morgan Expert
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Talk Morgan Expert
Joined: Mar 2017
Posts: 2,274 Likes: 41 |
I am not even 1 year into Morgan ownership, maybe I’m just unlucky!
Craig Jezz
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