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Put on a new tyres yesterday now its gone flat . #741765
13/05/22 07:46 AM
13/05/22 07:46 AM
Joined: Aug 2020
Posts: 923
Lytham St Annes, Lancashire
J
JohnHarris Online content OP
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JohnHarris  Online Content OP
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J

Joined: Aug 2020
Posts: 923
Lytham St Annes, Lancashire
Changed my tyres and 3 of the 4 are ok however the one has gone flat over night, going back for the spare to have a new tyre fitted today (only had 4 in stock) and they will remount the tyre again. Any obvious things to look for or possible solutions? It does have stainless wire wheels fitted.

Last edited by JohnHarris; 13/05/22 07:55 AM.

John
2008 Roadster 4 seater FELIX
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Re: Put on a new tyres yesterday now its gone flat . [Re: JohnHarris] #741766
13/05/22 07:58 AM
13/05/22 07:58 AM
Joined: Apr 2008
Posts: 10,587
Gloucestershire, UK
Hamwich Offline
Scruffy Oik
Hamwich  Offline
Scruffy Oik
Member of the Inner Circle

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Posts: 10,587
Gloucestershire, UK
Did they damage the silicone seal around the spokes?


Tim H.
1986 4/4 VVTi Sport, 2002 LR Defender, 2022 Mini Cooper SE
Re: Put on a new tyres yesterday now its gone flat . [Re: JohnHarris] #741767
13/05/22 08:01 AM
13/05/22 08:01 AM
Joined: Jul 2007
Posts: 22,111
Suffolk
John V6 Online content
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Suffolk
Either the valve or the silicone seal.

Richard V6 posted on how he fixed the seal.


JohnV6
2014 Brooklands Edition Roadster "Brookland's Belle" #5 of 50
Re: Put on a new tyres yesterday now its gone flat . [Re: JohnHarris] #741770
13/05/22 08:23 AM
13/05/22 08:23 AM
Joined: Aug 2011
Posts: 7,076
Devon
Budster Online happy
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Budster  Online Happy
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Joined: Aug 2011
Posts: 7,076
Devon
The tyres on my 4/4 have always had inner tubes.
Was this a standard fit?
Bud
4/4 - Stanley


Bud
4/4 "Stanley"
Re: Put on a new tyres yesterday now its gone flat . [Re: JohnHarris] #741772
13/05/22 08:35 AM
13/05/22 08:35 AM
Joined: Aug 2020
Posts: 923
Lytham St Annes, Lancashire
J
JohnHarris Online content OP
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JohnHarris  Online Content OP
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J

Joined: Aug 2020
Posts: 923
Lytham St Annes, Lancashire
Thanks for the input, spoke with the tyre fitter and they have something that might fix the sealant issue if its that. Will find out at 3pm. I hope its an easy solution..........


John
2008 Roadster 4 seater FELIX
prev 2006 4/4 70th LOKI
prev 1977 4/4 SEAMUS
prev 1985 4/4 MOLLY
Re: Put on a new tyres yesterday now its gone flat . [Re: John V6] #741791
13/05/22 01:06 PM
13/05/22 01:06 PM
Joined: Feb 2016
Posts: 4,792
East Harling, Norfolk UK
RichardV6 Online NoMood
Part of the Furniture
RichardV6  Online NoMood
Part of the Furniture

Joined: Feb 2016
Posts: 4,792
East Harling, Norfolk UK
Originally Posted by John V6
Either the valve or the silicone seal.

Richard V6 posted on how he fixed the seal.

If they have tubeless tyres JohnHarris I would put money on the fitters having damaged seal on one wheel. I managed to damage the seal on two of mine by simply taking up a ┬╝ turn of slack on a spoke on each, so can verify the seal (formed with sealant) is very fragile if mistreated. This also makes it easy to repair minor damage though using correct sealant available from MWS who supply OE wheels to MMC. See thread here.

Pic below of seal with damaged part dug out ready to receive fresh sealant.

[Linked Image]


Richard

2018 Roadster - Red/Magnolia - "Morton"
1966 Land Rover series 2a SWB
1945 Moto Guzzi Airone
Re: Put on a new tyres yesterday now its gone flat . [Re: RichardV6] #741792
13/05/22 01:21 PM
13/05/22 01:21 PM
Joined: Aug 2020
Posts: 923
Lytham St Annes, Lancashire
J
JohnHarris Online content OP
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JohnHarris  Online Content OP
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J

Joined: Aug 2020
Posts: 923
Lytham St Annes, Lancashire
Thanks Richard for that, I hope its just the valve. Clearly a whole lot of hassle if its the black sealant..........dont you just love wire wheels.

Kind regards

John


John
2008 Roadster 4 seater FELIX
prev 2006 4/4 70th LOKI
prev 1977 4/4 SEAMUS
prev 1985 4/4 MOLLY
Re: Put on a new tyres yesterday now its gone flat . [Re: JohnHarris] #741793
13/05/22 01:34 PM
13/05/22 01:34 PM
Joined: Dec 2008
Posts: 20,249
South Yorkshire
DaveW Online content
Roadster Guru
DaveW  Online Content
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Joined: Dec 2008
Posts: 20,249
South Yorkshire
The Roadster wires are wide, and having watched the fitter change mine, it's very easy for the tyre bead to scrape the sealant. All four of mine were slightly damaged, despite the fitter being experienced and an old friend. But I don't take the Morgan for tyre changes, I take the wheels off. Just in case.


DaveW
'05 Red Roadster S1
'16 Yellow (Not the only) Narrow AR GDI Plus 4
Re: Put on a new tyres yesterday now its gone flat . [Re: JohnHarris] #741806
13/05/22 03:15 PM
13/05/22 03:15 PM
Joined: Jan 2014
Posts: 140
Berkshire UK
docock Offline
L - Learner Plates On
docock  Offline
L - Learner Plates On

Joined: Jan 2014
Posts: 140
Berkshire UK
Snap!

Happened to me last year.

http://www.talkmorgan.com/ubbthreads.php/topics/706376/tyre-fitting-beware#Post706376

MWS sorted it out for me. Had to scrape off the inner seal, which was a pig of a job, then refitted a new seal.

Re: Put on a new tyres yesterday now its gone flat . [Re: JohnHarris] #741810
13/05/22 03:45 PM
13/05/22 03:45 PM
Joined: Aug 2017
Posts: 433
Bergen, Norway
R
Robbie Mathisen Offline
Learner Plates Off!
Robbie Mathisen  Offline
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Joined: Aug 2017
Posts: 433
Bergen, Norway
Just the same happened to me. In spite of several attempts it kept leaking. New silicone, new rubber band inside the rim - you name it - did not help. We even detected the very spoke that was reponsible for the leak, but to no avail. So I ended up putting a tube into the tyre, problem solved. Now I run on three tubeless tyres, and the fourth with a tube. I would have preferred tubeless all around, but I can live with this. As for handling and comfort, I do not notice any difference.


Robbie the Norseman
2004 V6 Roadster
Sherwood green
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