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Wales
by Joske Vermeule, September 1
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Jun 14th, 2026
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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 |
Having looked a bit closer at that picture of the failure, there are quite clear rub marks which look like they have come from the flange in the tunnel.
It also looks as though the rubbing is heavier on the split side of the tube suggesting that the shaft might also be bending.
Difficult to be sure from photographs but the shaft should be analysed and maybe the findings should be shared with other owners if a defect is found.
Bob
2009 Black Roadster
1999 4/4 2 litre Zetec
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Joined: Nov 2009
Posts: 141 Likes: 2
L - Learner Plates On
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OP
L - Learner Plates On
Joined: Nov 2009
Posts: 141 Likes: 2 |
I don't normally frequent this part of the forum but I've just tripped over this thread.
I wonder how long you've had this car because that split looks to me as something that started a while back and is now propagating quite badly.
I used to work in the prop shaft industry (many years ago) and I can tell you that shaft is not safe to drive.
Whatever you do, don't spin up the shaft to any significant RPM and only put the minimum torque you can use to get it on a transporter.
And don't weld up the crack. It either needs a new tube fitting of a complete new prop shaft.
I could even suggest that the car might have been sold to you in an unsafe condition. What about contacting the seller for a friendly chat. Thanks Bob, I'm getting priced up a new propshaft from Morgan....which may take a while as suspect it may be a case of trying to source 1 from whoever was the original manufacturer.
AnDrew G
2003 Aero S1 - past
2009 Aeromax - past
2012 +4 Supersport - past
2008 Aero S4 -past
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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 don't normally frequent this part of the forum but I've just tripped over this thread.
I wonder how long you've had this car because that split looks to me as something that started a while back and is now propagating quite badly.
I used to work in the prop shaft industry (many years ago) and I can tell you that shaft is not safe to drive.
Whatever you do, don't spin up the shaft to any significant RPM and only put the minimum torque you can use to get it on a transporter.
And don't weld up the crack. It either needs a new tube fitting of a complete new prop shaft.
I could even suggest that the car might have been sold to you in an unsafe condition. What about contacting the seller for a friendly chat. Thanks Bob, I'm getting priced up a new propshaft from Morgan....which may take a while as suspect it may be a case of trying to source 1 from whoever was the original manufacturer. The propshaft will almost certainly be bespoke to Morgan
Simon @ Sifab.co.uk
Sifabtemporary@gmail.com
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Joined: Aug 2020
Posts: 69
Just Getting Started
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Just Getting Started
Joined: Aug 2020
Posts: 69 |
Hi Andrew - sorry to read about your propshaft... Earlier in the thread you mention that a crack had been noted on the proshaft coupling as opposed to the propshaft itself (I can’t understand why this wasn’t replaced immediately.) It’ll be interesting to see if it is the coupling which has put the propshaft out of phase and turns out to be the route cause of the split. Like yourself I’m playing catch up on what’s under the bonnet and have found this link Aero8 MK1 Parts book (mogparts.net) Mogparts.net to be quite useful in identifying the various parts etc – page 43 being relevant to this particular issue. Whilst this is a setback – you have a great looking car which should give you a great deal of pleasure once these issues have been sorted. Regards Will Aero S5
2016 Aero 8 S5
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Joined: Nov 2009
Posts: 141 Likes: 2
L - Learner Plates On
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OP
L - Learner Plates On
Joined: Nov 2009
Posts: 141 Likes: 2 |
Hi Andrew - sorry to read about your propshaft... Earlier in the thread you mention that a crack had been noted on the proshaft coupling as opposed to the propshaft itself (I can’t understand why this wasn’t replaced immediately.) It’ll be interesting to see if it is the coupling which has put the propshaft out of phase and turns out to be the route cause of the split. Like yourself I’m playing catch up on what’s under the bonnet and have found this link Aero8 MK1 Parts book (mogparts.net) Mogparts.net to be quite useful in identifying the various parts etc – page 43 being relevant to this particular issue. Whilst this is a setback – you have a great looking car which should give you a great deal of pleasure once these issues have been sorted. Regards Will Aero S5 Thanks Will, that's helpful as can now picture what connects where...the thigh bone...is connected to... 
AnDrew G
2003 Aero S1 - past
2009 Aeromax - past
2012 +4 Supersport - past
2008 Aero S4 -past
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Joined: Nov 2009
Posts: 141 Likes: 2
L - Learner Plates On
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OP
L - Learner Plates On
Joined: Nov 2009
Posts: 141 Likes: 2 |
Hi Andrew - sorry to read about your propshaft... Earlier in the thread you mention that a crack had been noted on the proshaft coupling as opposed to the propshaft itself (I can’t understand why this wasn’t replaced immediately.) It’ll be interesting to see if it is the coupling which has put the propshaft out of phase and turns out to be the route cause of the split. Like yourself I’m playing catch up on what’s under the bonnet and have found this link Aero8 MK1 Parts book (mogparts.net) Mogparts.net to be quite useful in identifying the various parts etc – page 43 being relevant to this particular issue. Whilst this is a setback – you have a great looking car which should give you a great deal of pleasure once these issues have been sorted. Regards Will Aero S5 Thanks Will, that's helpful as can now picture what connects where...the thigh bone...is connected to... Doubly helpful as have now found the PDF for the Aero Mk 2 to 2016 on mogparts.net so can get the actual part number I need being T120146 for the auto...so now for the pricing  
AnDrew G
2003 Aero S1 - past
2009 Aeromax - past
2012 +4 Supersport - past
2008 Aero S4 -past
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Joined: Aug 2020
Posts: 69
Just Getting Started
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Just Getting Started
Joined: Aug 2020
Posts: 69 |
Hi Andrew - sorry to read about your propshaft... Earlier in the thread you mention that a crack had been noted on the proshaft coupling as opposed to the propshaft itself (I can’t understand why this wasn’t replaced immediately.) It’ll be interesting to see if it is the coupling which has put the propshaft out of phase and turns out to be the route cause of the split. Like yourself I’m playing catch up on what’s under the bonnet and have found this link Aero8 MK1 Parts book (mogparts.net) Mogparts.net to be quite useful in identifying the various parts etc – page 43 being relevant to this particular issue. Whilst this is a setback – you have a great looking car which should give you a great deal of pleasure once these issues have been sorted. Regards Will Aero S5 Thanks Will, that's helpful as can now picture what connects where...the thigh bone...is connected to... Doubly helpful as have now found the PDF for the Aero Mk 2 to 2016 on mogparts.net so can get the actual part number I need being T120146 for the auto...so now for the pricing Andrew I think you need the Mk1 pdf as a reference the Mk2 is from 2016 onwards...
2016 Aero 8 S5
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Joined: Mar 2009
Posts: 11,532 Likes: 317
Smile, it confuses them Member of the Inner Circle
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Smile, it confuses them Member of the Inner Circle
Joined: Mar 2009
Posts: 11,532 Likes: 317 |
Andrew, I will swap you the S2 one (which I have not seen) for the Morgan Aero Supersport (Also covers pretty much all the grubby bits of S4 and Coupe) Parts catalogue which may assist you? https://www.aero-racing.co.uk/partsbooks/supersports/main_menu.htmAny help ?
Everyone loves a Morgan. Even me, unless it's broken again.
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Joined: Nov 2009
Posts: 141 Likes: 2
L - Learner Plates On
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OP
L - Learner Plates On
Joined: Nov 2009
Posts: 141 Likes: 2 |
Interesting  ...but no prop shaft illustrations so going to stick with the S2 to 2016 reference as this has the part number ...let's see if Morgan can locate 1 though 
AnDrew G
2003 Aero S1 - past
2009 Aeromax - past
2012 +4 Supersport - past
2008 Aero S4 -past
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Joined: Mar 2009
Posts: 11,532 Likes: 317
Smile, it confuses them Member of the Inner Circle
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Smile, it confuses them Member of the Inner Circle
Joined: Mar 2009
Posts: 11,532 Likes: 317 |
https://www.aero-racing.co.uk/partsbooks/supersports/driveshafts.diff.prop_shafts.htmDRIVE SHAFTS, DIFF & PROP SHAFTS (HOVER OVER LABELS TO VIEW PART & NUMBERS) #. PART NUMBER PART NAME 1. MRA20703 PROPSHAFT MAN 2. MRA20704 PROPSHAFT AUTO
Everyone loves a Morgan. Even me, unless it's broken again.
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