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SORN
by OldSkrote - 31/07/25 02:07 PM
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New
by Rex_tulips - 30/07/25 07:59 PM
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Forums34
Topics48,367
Posts813,404
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Most Online1,046
Aug 24th, 2023
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Joined: Jul 2011
Posts: 47
Just Getting Started
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OP
Just Getting Started
Joined: Jul 2011
Posts: 47 |
The weird knocking from the OSR suspension has been tracked down to this [img] https://www.dropbox.com/s/b2en89fp8uc38k6/IMG_3105.jpg?dl=0[/img] [img] https://www.dropbox.com/s/5htt97hlpueowbp/IMG_3106.jpg?dl=0[/img] Bloody roads!  (Although hubby thinks it's my driving!) Is replacing the mounting bar as easy as it look (ha-ha). 8 bolts to the chassis, and two for the handbrake adjuster? I've already done the rear dampers in the past so know my way around a spanner or two :-) Thanks in advance!
Julia
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Joined: Aug 2013
Posts: 15,794 Likes: 14
Formerly known as Aldermog Member of the Inner Circle
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Formerly known as Aldermog Member of the Inner Circle
Joined: Aug 2013
Posts: 15,794 Likes: 14 |
I suspect it is a fatigue crack.
Not good though.
An opportunity to dump the springs and go to multi link rear suspension?
Peter,
66, 2016 Porsche Boxster S
No longer driving Tarka, the 2014 Plus 8...
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Joined: Jul 2007
Posts: 26,763 Likes: 425
Member of the Inner Circle
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Member of the Inner Circle
Joined: Jul 2007
Posts: 26,763 Likes: 425 |
Wow, is it also corroded?
JohnV6
2022 CX Plus Four
2025 MG ZS EV aka Trigger
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Joined: Apr 2014
Posts: 3,547 Likes: 4
Talk Morgan Addict
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Talk Morgan Addict
Joined: Apr 2014
Posts: 3,547 Likes: 4 |
Make sure you get one with mounting points in the same place as your original one, mine were found to be different and my shocks topped out.
Mark - No Longer driving Archie the Old English Sheep Mog........... 2010 Roadster 3.0 V6 (S3) 
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Joined: Jul 2011
Posts: 47
Just Getting Started
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OP
Just Getting Started
Joined: Jul 2011
Posts: 47 |
I don’t have the savings for the multi link, worse luck.
There is a light coat of corrosion JohnV6, but the break is clean and so it’s fairly recently happened.
Thanks for the advice on the mounts though.
Julia
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Joined: Apr 2008
Posts: 11,870 Likes: 138
Scruffy Oik Member of the Inner Circle
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Scruffy Oik Member of the Inner Circle
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Posts: 11,870 Likes: 138 |
This happened recently to another TMer, Lord Unstone. He had his welded back into position with no problems, I don't think they even needed to take the hoop out of the car.
Tim H.
1986 4/4 VVTi Sport, 2002 LR Defender, 2022 Mini Cooper SE
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Joined: Jul 2007
Posts: 26,763 Likes: 425
Member of the Inner Circle
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Member of the Inner Circle
Joined: Jul 2007
Posts: 26,763 Likes: 425 |
And maybe they could also weld on some strengthening plates on each bend of the hoop.
JohnV6
2022 CX Plus Four
2025 MG ZS EV aka Trigger
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Joined: Sep 2014
Posts: 2,272 Likes: 7
Talk Morgan Expert
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Talk Morgan Expert
Joined: Sep 2014
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Julia
What are your rear shocks adjusted to? Do they have bump stops?
If too hard and no bump stops the shock absorber is transmitting the forces from the road springs directly onto that mounting, and this might have contributed to the failure. However I do suspect Peter is correct and that it is a fatigue failure.
I have personally broken the bottom mounting plate, but never seen the top on ego like that, although with you and Richard both having a failure there it is obviously another weaker point.
Andy G
1999 +8 , Indigo Blue.
Ex-John McKecknie/Mike Duncan 1955 +4 racer.
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Joined: Jul 2007
Posts: 26,763 Likes: 425
Member of the Inner Circle
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Member of the Inner Circle
Joined: Jul 2007
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I have done two bottom mounting plates. The last of S Italian motorways. I was told in 2006 the factory had a dodgy batch.
JohnV6
2022 CX Plus Four
2025 MG ZS EV aka Trigger
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Joined: Apr 2010
Posts: 463
Learner Plates Off!
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Learner Plates Off!
Joined: Apr 2010
Posts: 463 |
Julia
What model and Year of car and brand of shocks?
Hope you get it fixes ASAP.
Please let us know how you make out.
Dave
98 +8 Corsa Red
74 MGB Red
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