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Rattling front left mudguard #594472
10/09/19 10:54 PM
10/09/19 10:54 PM
Joined: Dec 2018
Posts: 31
G
GPC1203 Offline OP
Just Getting Started
GPC1203  Offline OP
Just Getting Started
G

Joined: Dec 2018
Posts: 31
I’ve been hearing a rattle at idle and finally figured out where it’s coming from. Title says it all. It’s right side counterpart is quiet at idle and even when I bang on it with my hand with the engine off. All screws and bolts are tight on both. Any ideas?


Norwalk, CT, USA

'12 Morgan 3 Wheeler #401
‘15 Jeep Wrangler Sahara
'17 Triumph Bonneville T120 Black
Re: Rattling front left mudguard [Re: GPC1203] #594475
11/09/19 12:58 AM
11/09/19 12:58 AM
Joined: Sep 2010
Posts: 1,643
Wales
T
Taffmog Offline
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Taffmog  Offline
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T

Joined: Sep 2010
Posts: 1,643
Wales
The clearance between mudguard and tyre is tight, have you tried adjusting the mounting bolts or elongating the holes, assuming the welds etc. are all ok?

Re: Rattling front left mudguard [Re: GPC1203] #594492
11/09/19 06:51 AM
11/09/19 06:51 AM
Joined: Mar 2011
Posts: 81
Nr Watership Down UK
J
JMD Offline
Just Getting Started
JMD  Offline
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J

Joined: Mar 2011
Posts: 81
Nr Watership Down UK
Based on our experience, the link to the steering arm cracks then breaks giving increasing levels of rattle. More seriously, you can also experience progressive fracturing of the welds holding the mudguard together - this also gives rattles. Thus far, we re-weld it but the ultimate solution is something much lighter and more robust - for example the G56 carbon mudguards that we gather are now in use by a few players....

Re: Rattling front left mudguard [Re: JMD] #594494
11/09/19 07:04 AM
11/09/19 07:04 AM
Joined: Nov 2011
Posts: 3,095
Australia - NSW Mid North Coas...
OZ 4/4 Offline
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OZ 4/4  Offline
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Joined: Nov 2011
Posts: 3,095
Australia - NSW Mid North Coas...
Originally Posted by JMD
Based on our experience, the link to the steering arm cracks then breaks giving increasing levels of rattle. More seriously, you can also experience progressive fracturing of the welds holding the mudguard together - this also gives rattles. Thus far, we re-weld it but the ultimate solution is something much lighter and more robust - for example the G56 carbon mudguards that we gather are now in use by a few players....


Oh Dear, not more cracks.....


A Morgan Identified Fastidious Owner...
2011 4/4 Bespoke, 1981 Delorean, Auburn Boat Tail
Re: Rattling front left mudguard [Re: GPC1203] #594513
11/09/19 08:03 AM
11/09/19 08:03 AM
Joined: Mar 2014
Posts: 952
Leicestershire, UK
Bunny Offline
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Bunny  Offline
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Joined: Mar 2014
Posts: 952
Leicestershire, UK
I'm not saying that this is your problem, but it's worth checking. Try rocking the mudguard back and forth (front to rear) of the car. There should be no movement, but if there is......

The mudguard bolts on to a thick silver anodised plate and this plate worked loose on a friend's car. Getting to the four black hex socket bolts to tighten it back up was a bit of a pain because the hub, brake caliper & disc have to be removed to gain access.

[Linked Image]

Good news is that since tightening the problem hasn't reoccurred.

Last edited by Bunny; 11/09/19 08:13 AM.

Andy
Re: Rattling front left mudguard [Re: GPC1203] #594570
11/09/19 12:45 PM
11/09/19 12:45 PM
Joined: Feb 2019
Posts: 915
New River Valley, VA
rcmatt Offline
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rcmatt  Offline
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Joined: Feb 2019
Posts: 915
New River Valley, VA
Nuts and bolts working loose on a vehicle with a V-twin engine? WOW, that is a first. laugh2


Rodger
2018 M3W "Dreamers on the Rise"
2004 Plus 8 (wife's)
old Goldwings and a couple of Harleys
Re: Rattling front left mudguard [Re: rcmatt] #594575
11/09/19 01:24 PM
11/09/19 01:24 PM
Joined: Feb 2019
Posts: 1,666
West of Seattle, USA
LightSpeed Online content
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LightSpeed  Online Content
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Joined: Feb 2019
Posts: 1,666
West of Seattle, USA
Originally Posted by rcmatt
Nuts and bolts working loose on a vehicle with a V-twin engine? WOW, that is a first. laugh2

😂😂😂


Stephen
2019 M3W

Re: Rattling front left mudguard [Re: GPC1203] #594594
11/09/19 03:47 PM
11/09/19 03:47 PM
Joined: May 2017
Posts: 176
Lille
nestor59310 Offline
L - Learner Plates On
nestor59310  Offline
L - Learner Plates On

Joined: May 2017
Posts: 176
Lille
My mudguards have always broken multiple times because of Vtwin's vibrations.
I fixed the problem permanently by simply removing the mudguards

[Linked Image]


____________________________________
Lille - FRANCE
(2012) MTW #111
Re: Rattling front left mudguard [Re: GPC1203] #594596
11/09/19 03:49 PM
11/09/19 03:49 PM
Joined: May 2017
Posts: 176
Lille
nestor59310 Offline
L - Learner Plates On
nestor59310  Offline
L - Learner Plates On

Joined: May 2017
Posts: 176
Lille
The G56 mudguards must be fine but the price is excessively high.
I think to make a mini stainless steel fender by my Belgian manufacturer of exhausts, something very light and robust


____________________________________
Lille - FRANCE
(2012) MTW #111
Re: Rattling front left mudguard [Re: GPC1203] #594625
11/09/19 06:15 PM
11/09/19 06:15 PM
Joined: Feb 2019
Posts: 1,666
West of Seattle, USA
LightSpeed Online content
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LightSpeed  Online Content
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Joined: Feb 2019
Posts: 1,666
West of Seattle, USA
But then again, it is the shaking.

Your photo shows a failure point that maybe could be strengthened by using a metal sleeve over the original rather than bolting to a tang you would then have to bolt through a tube.

It might work :-)


Stephen
2019 M3W

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