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Rear suspension hanger. Safety watchpoint #594571
11/09/19 12:45 PM
11/09/19 12:45 PM
Joined: Jul 2007
Posts: 13,827
Suffolk
John V6 Online content OP
Member of the Inner Circle
John V6  Online Content OP
Member of the Inner Circle

Joined: Jul 2007
Posts: 13,827
Suffolk
On my Roadster the rear offside suspension hanger failed last year in Italy and was welded up.
[Linked Image]
[Linked Image]
[Linked Image]
It has just gone again after c 10k miles!

So I had Krazy Horse order me a new one. You can see how much beefier this is and how MMC have bent the plate to resist the torsional forces.
[Linked Image]

When it fails you still have damping form one side and the shock absorber rests on the chassis rail & exhaust so at first it isn't so obvious.. In my case on sharp right handers or bouncy roads I could then hear something touching.

If both were to fail I guess it could be more serious.
My advice would be to check both sides. It is obvious in the case of total failure as shock floats free of the brake drum but as it goes it tears along the bolt holes.

Graham when you are next at the factory can you let me know if the passenger side also has this upgrade or if the plate is flat. if upgraded I am tempted to replace that side also.


JohnV6
2006 Indigo Blue Roadster S1
Re: Rear suspension hanger. Safety watchpoint [Re: John V6] #594578
11/09/19 01:51 PM
11/09/19 01:51 PM
Joined: Sep 2014
Posts: 1,445
London
MOG 615 Offline
Has a lot to Say!
MOG 615  Offline
Has a lot to Say!

Joined: Sep 2014
Posts: 1,445
London
I have had one fail in exactly the same spot on my +8 John.

It was found at a service , but goodness knows how long it had been in that state. It is far from obvious when looking from above through the luggage shelf access panel.

From memory it was on the passenger side though.


Andy G
1999 +8 , Indigo Blue.
Ex-John McKecknie/Mike Duncan 1955 +4 racer.
Re: Rear suspension hanger. Safety watchpoint [Re: John V6] #594585
11/09/19 02:46 PM
11/09/19 02:46 PM
Joined: Nov 2015
Posts: 1,237
Yorkshire
CooperMan Offline
Has a lot to Say!
CooperMan  Offline
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Joined: Nov 2015
Posts: 1,237
Yorkshire
Had one fail on the previous Roadster, thankfully Dave W helped out with a used one for a quick fix, eventually I replaced both with the beefed up version, with the brake drum off it's quite easy

They don't take a huge load it's just the shocker, but they fracture across the hole as it's the weak point as per John V6's photos


Jon M
Re: Rear suspension hanger. Safety watchpoint [Re: John V6] #594603
11/09/19 04:26 PM
11/09/19 04:26 PM
Joined: Jul 2007
Posts: 13,827
Suffolk
John V6 Online content OP
Member of the Inner Circle
John V6  Online Content OP
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Joined: Jul 2007
Posts: 13,827
Suffolk
Jon,
do you have to take of the brake shoes or can you get at the nuts with the shoes in place?
John


JohnV6
2006 Indigo Blue Roadster S1
Re: Rear suspension hanger. Safety watchpoint [Re: John V6] #594619
11/09/19 05:59 PM
11/09/19 05:59 PM
Joined: Mar 2010
Posts: 191
Norway
G
Geir Karlsen Offline
L - Learner Plates On
Geir Karlsen  Offline
L - Learner Plates On
G

Joined: Mar 2010
Posts: 191
Norway
It also failed on my 4/4.[img]http://https://tm-img.com/image/exbIn https://tm-img.com/image/exHz4 https://tm-img.com/image/exqMc[/img]
They seem to last a bit longer ith stock useless shock absorbers. I would recommend everyone to replace them at the annual service.
I managed to replace mine with the brake shoes in place just undoing the clamps holding them to the shield. The idea of undoing the clamps an all the springs was not tempting.

Last edited by Geir Karlsen; 11/09/19 06:06 PM.

4/4 2 seater 2001 model
Re: Rear suspension hanger. Safety watchpoint [Re: John V6] #594632
11/09/19 06:37 PM
11/09/19 06:37 PM
Joined: May 2012
Posts: 899
Sumerset
Rog Offline
Talk Morgan Regular
Rog  Offline
Talk Morgan Regular

Joined: May 2012
Posts: 899
Sumerset
Might the failure be symptomatic of an unconstrained rear suspension allowing the damper to bottom out? Perhaps exasperated with the extra load when traveling with luggage?


Roger
Plus 4
Re: Rear suspension hanger. Safety watchpoint [Re: Rog] #594636
11/09/19 07:23 PM
11/09/19 07:23 PM
Joined: Dec 2009
Posts: 662
Aerdenhout, The Netherlands
BertR Offline
Talk Morgan Regular
BertR  Offline
Talk Morgan Regular

Joined: Dec 2009
Posts: 662
Aerdenhout, The Netherlands
I think it is (again) a flawed design. The new model shown by John V6, seems more robust. In any “normal” car this would be a recall... but we morganeers, get it proactively replaced in the next service at our own cost. We must just love our cars.


2009 Roadster, Lancia midnight blue, cinnamon upholstery.
Re: Rear suspension hanger. Safety watchpoint [Re: John V6] #594669
12/09/19 12:22 AM
12/09/19 12:22 AM
Joined: Sep 2010
Posts: 1,567
Wales
T
Taffmog Offline
Talk Morgan Enthusiast
Taffmog  Offline
Talk Morgan Enthusiast
T

Joined: Sep 2010
Posts: 1,567
Wales
Broke one on my plus 8 too, just a crashing noise at the rear offside.
Not an uncommon failure apparently....

Re: Rear suspension hanger. Safety watchpoint [Re: John V6] #594702
12/09/19 08:47 AM
12/09/19 08:47 AM
Joined: Jul 2007
Posts: 13,827
Suffolk
John V6 Online content OP
Member of the Inner Circle
John V6  Online Content OP
Member of the Inner Circle

Joined: Jul 2007
Posts: 13,827
Suffolk
Passenger side bracket now on order. The other one might be fine but I decided to upgrade fully & will also fit some of Roger's bump stops.


JohnV6
2006 Indigo Blue Roadster S1
Re: Rear suspension hanger. Safety watchpoint [Re: John V6] #594768
12/09/19 02:56 PM
12/09/19 02:56 PM
Joined: Dec 2008
Posts: 17,713
South Yorkshire
DaveW Offline
Roadster Guru
DaveW  Offline
Roadster Guru
Member of the Inner Circle

Joined: Dec 2008
Posts: 17,713
South Yorkshire
Mine failed in Kent the year the Mog was there, and I didn't know until we got home.

Access is OK without removing the shoes.

Scroll right down for images http://www.talkmorgan.com/ubbthreads.php/topics/150843/1


DaveW
2005 Corsa Red Roadster S1
2016 Saffron Yellow (Narrow) Plus 4
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