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by Rex_tulips - 30/07/25 07:59 PM
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Forums34
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Aug 24th, 2023
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Joined: Apr 2016
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miles of smiles Talk Morgan Expert
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miles of smiles Talk Morgan Expert
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Nice work as usual, Craig. I took the normal “Ewanist” approach and just sprayed the whole clump of rusty muck with satin black, works really well for at least a fortnight 
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Joined: Jun 2015
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Talk Morgan Enthusiast
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Talk Morgan Enthusiast
Joined: Jun 2015
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Resurrection of this post. I noticed that my exhaust bobbins on my 2011 plus 4 are just showing signs of perish.
questions:
1. Can they be replaced without disconnecting exhaust pipes and silencer /manifold joints?
2. The L-shaped bracket that is bolted to the chassis: Are the bolts captive as the nuts are on the outside but the heads are not readily accessible.
Doug
2011 Plus 4 in Rich Maroon
1972 750 “ComDom” sprinter
1958 Triton 650
1992 Triumph Trophy 900
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Joined: Aug 2010
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Charter Member
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Charter Member
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I replaced the 4 bobbins on my 4/4 without disturbing anything else.
Paul
Costock, UK
2014 4/4 Rolls Royce Garnet Red
Disco 5
Teddy - 17h1 Irish Draught cross
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Talk Morgan Expert
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OP
Talk Morgan Expert
Joined: Mar 2017
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Yes really easy to change, no need to disconnect exhaust pipes etc ![[Linked Image]](https://tm-img.com/images/2021/08/15/9EEC5CAA-1F12-4792-99FD-64D6038060F4.jpg)
Last edited by Craig Jezz; 12/11/22 05:17 PM.
Craig Jezz
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Talk Morgan Enthusiast
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Talk Morgan Enthusiast
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Thanks for replies from two 4/4 owners, but it only answered my question 1. Not sure if it is the same arrangement as the +4.
The issue as I see it is that the bottom fixing of the bobbins is on a L shaped bracket that is bolted to the chassis. The top fixing is on a plate that shares a fixing with the silencer u- clamp.It looks to me that the only way of doing it is to remove the L bracket, but are the bolts that hold it, captive, or are they likely to either slip inside the chassis rail or when re- tightening, go round and round.
That’s really all I need to know.
Doug
2011 Plus 4 in Rich Maroon
1972 750 “ComDom” sprinter
1958 Triton 650
1992 Triumph Trophy 900
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Joined: Feb 2010
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Has a lot to Say!
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Has a lot to Say!
Joined: Feb 2010
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Thanks for replies from two 4/4 owners, but it only answered my question 1. Not sure if it is the same arrangement as the +4.
The issue as I see it is that the bottom fixing of the bobbins is on a L shaped bracket that is bolted to the chassis. The top fixing is on a plate that shares a fixing with the silencer u- clamp.It looks to me that the only way of doing it is to remove the L bracket, but are the bolts that hold it, captive, or are they likely to either slip inside the chassis rail or when re- tightening, go round and round.
That’s really all I need to know. There’s enough float and flex in the exhaust system to just under the bobbin nuts and lift the system off of them
Simon @ Sifab.co.uk
Sifabtemporary@gmail.com
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Joined: Dec 2008
Posts: 21,871 Likes: 168
Roadster Guru Member of the Inner Circle
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Roadster Guru Member of the Inner Circle
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The chassis fixings are captive
DaveW
'05 Red Roadster S1
'16 Yellow (Not the only) Narrow AR GDI Plus 4
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Talk Morgan Enthusiast
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Talk Morgan Enthusiast
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Many thanks Simon and Dave. Exactly what I hoped to hear.
Doug
2011 Plus 4 in Rich Maroon
1972 750 “ComDom” sprinter
1958 Triton 650
1992 Triumph Trophy 900
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Joined: Feb 2016
Posts: 7,944 Likes: 218
Talk Morgan Guru
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Talk Morgan Guru
Joined: Feb 2016
Posts: 7,944 Likes: 218 |
Thanks for replies from two 4/4 owners, but it only answered my question 1. Not sure if it is the same arrangement as the +4.
The issue as I see it is that the bottom fixing of the bobbins is on a L shaped bracket that is bolted to the chassis. The top fixing is on a plate that shares a fixing with the silencer u- clamp.It looks to me that the only way of doing it is to remove the L bracket, but are the bolts that hold it, captive, or are they likely to either slip inside the chassis rail or when re- tightening, go round and round.
That’s really all I need to know. There’s enough float and flex in the exhaust system to just under the bobbin nuts and lift the system off of them and for extra ground clearance you can chop some of the thread off the lower stud which makes fitting them easier still.
Richard
2018 Roadster 3.7
1966 Land Rover S2a 88
2024 Royal Enfield Guerrilla 450
1945 Guzzi Airone
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Joined: Feb 2016
Posts: 7,944 Likes: 218
Talk Morgan Guru
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Talk Morgan Guru
Joined: Feb 2016
Posts: 7,944 Likes: 218 |
The chassis fixings are captive Well yes and no. They are formed of two studs welded to a plate and fitted from the inside of chassis, through holes drilled just behind rear cross member. If side pipes are spec'd on the 3.7 Roadster at least, the holes are drilled forward of rear chassis member to accommodate the shorter silencers. Unfortunately once all the trim, seats and belt fixings are in it's too onerous a task to move them I found.
Richard
2018 Roadster 3.7
1966 Land Rover S2a 88
2024 Royal Enfield Guerrilla 450
1945 Guzzi Airone
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